Add AGENTS.md contributor guide

Guidelines for external contributors using AI coding tools, covering licensing, AI disclosure requirements, PR scope, commit style, code formatting, and testing expectations. Generated with the assistance of an AI coding tool.
2026-08-06 16:01:36 +00:00 · 2026-02-13 18:24:46 +00:00
975 changed files with 10819 additions and 89712 deletions
@@ -1,8 +1,7 @@
 # yaml-language-server: $schema=https://raw.githubusercontent.com/BlankSpruce/gersemi/0.24.0/gersemi/configuration.schema.json

-# Gersemi doesn't support autodetection of macros/functions from other files or from the current one
-# and requires to explicitly list directories/cmake files that define them.
-definitions: ["./cmake", "./src"]
+# Needed for gersemi to detect custom functions and macros.
+definitions: ["./cmake"]
 disable_formatting: false
 extensions: []
 indent: 4
@@ -1,95 +0,0 @@
-#!/usr/bin/env -S uv run
-# /// script
-# dependencies = [
-#     "PyGithub",
-#     "requests",
-# ]
-# ///
-
-import os
-from pathlib import Path
-
-import requests
-from github import Github
-from github.GitReleaseAsset import GitReleaseAsset
-
-EXTENSION_ID = "bonsai"
-CURRENT_PYTHON_VERSION = "py313"
-CURRENT_PLATFORMS = ["linux-x64", "macos-arm64", "windows-x64"]
-
-
-def publish_asset(asset: GitReleaseAsset, token: str, repo_root: Path) -> None:
-    """
-    Publish an asset to Blender Extensions.
-    Reference: https://extensions.blender.org/api/v1/swagger
-    """
-    temp_path = repo_root / asset.name
-
-    response = requests.get(asset.browser_download_url)
-    response.raise_for_status()
-    temp_path.write_bytes(response.content)
-
-    url = f"https://extensions.blender.org/api/v1/extensions/{EXTENSION_ID}/versions/upload/"
-    headers = {"Authorization": f"Bearer {token}"}
-
-    files = {"version_file": temp_path.read_bytes()}
-    response = requests.post(url, headers=headers, files=files)
-    response.raise_for_status()
-
-    temp_path.unlink()
-
-    print(f"✓ Published {asset.name}")
-
-
-def main() -> None:
-    token = os.getenv("BLENDER_EXTENSIONS_TOKEN")
-    if not token:
-        raise Exception("BLENDER_EXTENSIONS_TOKEN environment variable not set")
-
-    # Get the repository root
-    repo_root = Path(__file__).parent.parent.parent
-
-    # Read VERSION file
-    version_file = repo_root / "VERSION"
-    version = version_file.read_text().strip()
-
-    print(f"Current VERSION: {version}")
-
-    tag_name = f"bonsai-{version}"
-
-    # Get release from GitHub
-    gh = Github()
-    gh_repo = gh.get_repo("IfcOpenShell/IfcOpenShell")
-    release = gh_repo.get_release(tag_name)
-
-    assets = release.get_assets()
-
-    asset_platform_map: dict[str, tuple[GitReleaseAsset, str]] = {}
-    for asset in assets:
-        if CURRENT_PYTHON_VERSION not in asset.name:
-            continue
-        for platform in CURRENT_PLATFORMS:
-            if platform in asset.name:
-                asset_platform_map[asset.name] = (asset, platform)
-                break
-
-    if len(asset_platform_map) != len(CURRENT_PLATFORMS):
-        found_platforms = {platform for _, (_, platform) in asset_platform_map.items()}
-        missing_platforms = set(CURRENT_PLATFORMS) - found_platforms
-        raise Exception(
-            f"Expected {len(CURRENT_PLATFORMS)} assets but found {len(asset_platform_map)}. "
-            f"Missing: {', '.join(sorted(missing_platforms))}"
-        )
-
-    print("\nRelease assets:")
-    for asset_name in sorted(asset_platform_map.keys()):
-        print(f"- {asset_name}")
-
-    # https://extensions.blender.org/api/v1/swagger
-    print("\nPublishing assets to Blender Extensions:")
-    for asset_name, (asset, platform) in asset_platform_map.items():
-        publish_asset(asset, token, repo_root)
-
-
-if __name__ == "__main__":
-    main()
@@ -40,8 +40,6 @@ jobs:
          # preinstalled: xz, cmake
          brew install git bison autoconf automake libffi findutils
          echo "$(brew --prefix findutils)/libexec/gnubin" >> $GITHUB_PATH
-          # Mac is using bison 2.5 by default, but we need 3.5+ for swig.
-          echo "$(brew --prefix bison)/bin" >> $GITHUB_PATH

      - name: Install aws cli
        run: |
@@ -49,11 +47,11 @@ jobs:

      - name: Unpack Dependencies
        run: |
-          cd build
-          python ../nix/cache_dependencies.py unpack
+          install_root=$(find ./build -maxdepth 4 -type d -name install 2>/dev/null | head -n 1 || true)
+          [ -n "$install_root" ] && find "$install_root" -type f -name 'cache-*.tar.gz' -maxdepth 1 -exec tar -xzf {} -C "$install_root" \; || true

      - name: ccache
-        uses: hendrikmuhs/ccache-action@v1.2.23
+        uses: hendrikmuhs/ccache-action@v1.2
        with:
          key: mac-${{ matrix.arch }}

@@ -83,7 +81,7 @@ jobs:

      - name: Upload Build Logs
        if: always()
-        uses: actions/upload-artifact@v7
+        uses: actions/upload-artifact@v6
        with:
          name: build-logs-osx-${{ matrix.arch }}
          path: |
@@ -95,7 +93,9 @@ jobs:
      - name: Pack Dependencies
        run: |
          cd build
-          python ../nix/cache_dependencies.py pack
+          for install_dir in $(find $(find . -maxdepth 4 -name install) -mindepth 1 -maxdepth 1 -type d); do
+            test -f $(dirname "$install_dir")/cache-$(basename "$install_dir").tar.gz || tar -czf $(dirname "$install_dir")/cache-$(basename "$install_dir").tar.gz -C $(dirname "$install_dir") $(basename "$install_dir");
+          done

      - name: Commit and Push Changes to Build Repository
        run: |
@@ -26,10 +26,10 @@ jobs:
      - name: Unpack Dependencies
        run: |
          cd ifcopenshell_build
-          python ../IfcOpenShell/nix/cache_dependencies.py unpack
+          python ../IfcOpenShell/pyodide/cache_dependencies.py unpack

      - name: ccache
-        uses: hendrikmuhs/ccache-action@v1.2.23
+        uses: hendrikmuhs/ccache-action@v1.2
        with:
          key: ubuntu-22.04-${{ runner.arch }}

@@ -42,7 +42,7 @@ jobs:

      - name: Upload Build Logs
        if: always()
-        uses: actions/upload-artifact@v7
+        uses: actions/upload-artifact@v6
        with:
          name: build-logs-pyodide
          path: |
@@ -65,7 +65,7 @@ jobs:
      - name: Pack Dependencies
        run: |
          cd ifcopenshell_build
-          python ../IfcOpenShell/nix/cache_dependencies.py pack
+          python ../IfcOpenShell/pyodide/cache_dependencies.py pack

      - name: Commit and Push Changes to Build Repository
        run: |
@@ -6,24 +6,18 @@ on:
 jobs:
  build_ifcopenshell:
    runs-on: ubuntu-22.04
-    container: rockylinux:9
+    container: rockylinux:8

    steps:
-      - name: Set up uv
-        uses: astral-sh/setup-uv@37802adc94f370d6bfd71619e3f0bf239e1f3b78 # v7.6.0
-
-      - name: Install Python
-        # Installs latest Python version so it's preferred by uv over Rocky's system Python.
-        run: uv python install
-
      - name: Install Dependencies
        run: |
-          dnf update -y
-          dnf install -y gcc gcc-c++ git autoconf automake bison make zip cmake python3 python3-pip \
+          yum update -y
+          yum install -y gcc gcc-c++ git autoconf automake bison make zip cmake python3  \
                         bzip2 patch mesa-libGL-devel libffi-devel fontconfig-devel      \
                         sqlite-devel bzip2-devel zlib-devel openssl-devel xz-devel      \
                         readline-devel ncurses-devel libffi-devel libuuid-devel git-lfs \
                         findutils xz byacc
+          python3 -m pip install typing_extensions
          git config --global --add safe.directory '*'

      - name: Install aws cli
@@ -44,29 +38,30 @@ jobs:
        with:
          repository: IfcOpenShell/build-outputs
          path: ./build
-          ref: rockylinux9-x64
+          ref: rockylinux8-x64
          lfs: true
          token: ${{ secrets.BUILD_REPO_TOKEN }}

      - name: Unpack Dependencies
        run: |
-          cd build
-          uv run ../nix/cache_dependencies.py unpack
+          install_root=$(find ./build -maxdepth 4 -type d -name install 2>/dev/null | head -n 1 || true)
+          [ -n "$install_root" ] && find "$install_root" -type f -name 'cache-*.tar.gz' -maxdepth 1 -exec tar -xzf {} -C "$install_root" \; || true

      - name: ccache
-        uses: hendrikmuhs/ccache-action@v1.2.23
+        # TODO: Use tag after 1.2.20 releases.
+        uses: hendrikmuhs/ccache-action@5ebbd400eff9e74630f759d94ddd7b6c26299639
        with:
-          key: ubuntu-22.04-${{ runner.arch }}-rockylinux9
+          key: ubuntu-22.04-${{ runner.arch }}-rockylinux8

      - name: Run Build Script
        shell: bash
        run: |
          set -o pipefail
-          CXXFLAGS="-O3" CFLAGS="-O3 ${DARWIN_C_SOURCE}" ADD_COMMIT_SHA=1 BUILD_CFG=Release uv run ./nix/build-all.py -v --diskcleanup 2>&1 | tee build.log
+          CXXFLAGS="-O3" CFLAGS="-O3 ${DARWIN_C_SOURCE}" ADD_COMMIT_SHA=1 BUILD_CFG=Release python3 ./nix/build-all.py -v --diskcleanup 2>&1 | tee build.log

      - name: Upload Build Logs
        if: always()
-        uses: actions/upload-artifact@v7
+        uses: actions/upload-artifact@v6
        with:
          name: build-logs-rocky
          path: |
@@ -77,7 +72,9 @@ jobs:
      - name: Pack Dependencies
        run: |
          cd build
-          uv run ../nix/cache_dependencies.py pack
+          for install_dir in $(find $(find . -maxdepth 4 -name install) -mindepth 1 -maxdepth 1 -type d); do
+            test -f $(dirname "$install_dir")/cache-$(basename "$install_dir").tar.gz || tar -czf $(dirname "$install_dir")/cache-$(basename "$install_dir").tar.gz -C $(dirname "$install_dir") $(basename "$install_dir");
+          done

      - name: Commit and Push Changes to Build Repository
        run: |
@@ -6,24 +6,18 @@ on:
 jobs:
  build_ifcopenshell:
    runs-on: ubuntu-22.04-arm
-    container: arm64v8/rockylinux:9
+    container: arm64v8/rockylinux:8

    steps:
-      - name: Set up uv
-        uses: astral-sh/setup-uv@37802adc94f370d6bfd71619e3f0bf239e1f3b78 # v7.6.0
-
-      - name: Install Python
-        # Installs latest Python version so it's preferred by uv over Rocky's system Python.
-        run: uv python install
-
      - name: Install Dependencies
        run: |
-          dnf update -y
-          dnf install -y gcc gcc-c++ git autoconf automake bison make zip cmake python3 python3-pip \
+          yum update -y
+          yum install -y gcc gcc-c++ git autoconf automake bison make zip cmake python3  \
                         bzip2 patch mesa-libGL-devel libffi-devel fontconfig-devel      \
                         sqlite-devel bzip2-devel zlib-devel openssl-devel xz-devel      \
                         readline-devel ncurses-devel libffi-devel libuuid-devel git-lfs \
                         findutils xz byacc
+          python3 -m pip install typing_extensions
          git config --global --add safe.directory '*'

      - name: Install aws cli
@@ -44,29 +38,30 @@ jobs:
        with:
          repository: IfcOpenShell/build-outputs
          path: ./build
-          ref: rockylinux9-arm64
+          ref: rockylinux8-arm64
          lfs: true
          token: ${{ secrets.BUILD_REPO_TOKEN }}

      - name: Unpack Dependencies
        run: |
-          cd build
-          uv run ../nix/cache_dependencies.py unpack
+          install_root=$(find ./build -maxdepth 4 -type d -name install 2>/dev/null | head -n 1 || true)
+          [ -n "$install_root" ] && find "$install_root" -type f -name 'cache-*.tar.gz' -maxdepth 1 -exec tar -xzf {} -C "$install_root" \; || true

      - name: ccache
-        uses: hendrikmuhs/ccache-action@v1.2.23
+        # TODO: Use tag after 1.2.20 releases.
+        uses: hendrikmuhs/ccache-action@5ebbd400eff9e74630f759d94ddd7b6c26299639
        with:
-          key: ubuntu-22.04-${{ runner.arch }}-rockylinux9
+          key: ubuntu-22.04-${{ runner.arch }}-rockylinux8

      - name: Run Build Script
        shell: bash
        run: |
          set -o pipefail
-          CXXFLAGS="-O3" CFLAGS="-O3 ${DARWIN_C_SOURCE}" ADD_COMMIT_SHA=1 BUILD_CFG=Release uv run ./nix/build-all.py -v --diskcleanup 2>&1 | tee build.log
+          CXXFLAGS="-O3" CFLAGS="-O3 ${DARWIN_C_SOURCE}" ADD_COMMIT_SHA=1 BUILD_CFG=Release python3 ./nix/build-all.py -v --diskcleanup 2>&1 | tee build.log

      - name: Upload Build Logs
        if: always()
-        uses: actions/upload-artifact@v7
+        uses: actions/upload-artifact@v6
        with:
          name: build-logs-rocky-arm64
          path: |
@@ -77,7 +72,9 @@ jobs:
      - name: Pack Dependencies
        run: |
          cd build
-          uv run ../nix/cache_dependencies.py pack
+          for install_dir in $(find $(find . -maxdepth 4 -name install) -mindepth 1 -maxdepth 1 -type d); do
+            test -f $(dirname "$install_dir")/cache-$(basename "$install_dir").tar.gz || tar -czf $(dirname "$install_dir")/cache-$(basename "$install_dir").tar.gz -C $(dirname "$install_dir") $(basename "$install_dir");
+          done

      - name: Commit and Push Changes to Build Repository
        run: |
@@ -5,26 +5,11 @@ on:

 jobs:
  build_ifcopenshell:
+    runs-on: windows-2022
    strategy:
      fail-fast: false
      matrix:
-        include:
-          - arch: x64
-            runs_on: windows-2022
-            deps_dir: _deps-vs2022-x64-installed
-            vcvars: '"C:\Program Files\Microsoft Visual Studio\2022\Enterprise\VC\Auxiliary\Build\vcvars64.bat"'
-            build_branch: windows-x64
-            zip_suffix: win64
-
-          - arch: ARM64
-            runs_on: windows-11-arm
-            deps_dir: _deps-vs2022-ARM64-installed
-            vcvars: '"C:\Program Files\Microsoft Visual Studio\2022\Enterprise\VC\Auxiliary\Build\vcvarsarm64.bat"'
-            build_branch: windows-arm64
-            zip_suffix: win-arm64
-
-    runs-on: ${{ matrix.runs_on }}
-
+        arch: ['x64']
    steps:
      - name: Checkout Repository
        uses: actions/checkout@v6
@@ -35,8 +20,8 @@ jobs:
        uses: actions/checkout@v6
        with:
          repository: IfcOpenShell/build-outputs
-          path: ${{ matrix.deps_dir }}
-          ref: ${{ matrix.build_branch }}
+          path: _deps-vs2022-x64-installed
+          ref: windows-${{ matrix.arch }}
          lfs: true
          token: ${{ secrets.BUILD_REPO_TOKEN }}

@@ -46,13 +31,14 @@ jobs:

      - name: Unpack Dependencies
        run: |
-          cd ${{ matrix.deps_dir }}
+          cd _deps-vs2022-x64-installed
          Get-ChildItem -Path . -Filter 'cache-*.zip' | ForEach-Object {
            7z x $_.FullName
          }

      - name: ccache
-        uses: hendrikmuhs/ccache-action@v1.2.23
+        # TODO: Use tag after 1.2.20 releases.
+        uses: hendrikmuhs/ccache-action@5ebbd400eff9e74630f759d94ddd7b6c26299639
        with:
          key: win-${{ matrix.arch }}
          # Windows ccache needs ~1GB
@@ -61,16 +47,14 @@ jobs:

      - name: Run Build Script And Pack .zip Archives
        shell: cmd
-        env:
-          TARGET_ARCH: ${{ matrix.arch }}  # lets the Python script know which arch to target (optional override)
        run: |
-          call ${{ matrix.vcvars }}
+          call "C:\Program Files\Microsoft Visual Studio\2022\Enterprise\VC\Auxiliary\Build\vcvars64.bat"
          cd win
          python build-all-win.py

      - name: Pack Dependencies
        run: |
-          cd ${{ matrix.deps_dir }}
+          cd _deps-vs2022-x64-installed
          Get-ChildItem -Path . -Directory | ForEach-Object {
            $cacheFile = "cache-$($_.Name).zip"
            echo $cacheFile
@@ -81,13 +65,12 @@ jobs:

      - name: Commit and Push Changes to Build Repository
        run: |
-          cd ${{ matrix.deps_dir }}
+          cd _deps-vs2022-x64-installed
          git config user.name "IfcOpenBot"
          git config user.email "ifcopenbot@ifcopenshell.org"
-          git checkout -B ${{ matrix.build_branch }}
          git add *.zip
          git commit -m "Update build artifacts [skip ci]" || echo "No changes to commit"
-          git push --set-upstream origin ${{ matrix.build_branch }} || echo "Push failed"
+          git push || echo "Push failed"

      - name: Configure AWS Credentials
        uses: aws-actions/configure-aws-credentials@v6
@@ -1,4 +1,4 @@
-name: ci-lint
+name: ci-black-formatting

 on:
  push:
@@ -7,9 +7,6 @@ on:
 jobs:
  lint-formatting:
    runs-on: ubuntu-latest
-    env:
-      MIN_IOS_PY_VERSION: "3.10"
-      MIN_BLENDER_PY_VERSION: "3.11"
    steps:
      - name: Action - checkout repository
        uses: actions/checkout@v6
@@ -17,12 +14,12 @@ jobs:
      - name: Action - install python
        uses: actions/setup-python@v6
        with:
-          python-version: ${{ env.MIN_IOS_PY_VERSION }}
+          python-version: "3.10"

      - name: Action - install python
        uses: actions/setup-python@v6
        with:
-          python-version: ${{ env.MIN_BLENDER_PY_VERSION }}
+          python-version: "3.11"

      - name: Install dependencies
        run: |
@@ -30,17 +27,14 @@ jobs:
          uv tool install ruff
          uv tool install black
          uv tool install poethepoet
-          uv tool install ty==0.0.34

      # black doesn't catch all syntax errors, so we check them explicitly.
      - name: Check syntax errors
        id: syntax-errors
        run: |
          ERROR=0
-          # Using 2 Python versions - one minimum required for IfcOpenShell
-          # and other that's used by Blender currently.
-          python${{ env.MIN_IOS_PY_VERSION }} -W error -m compileall -q src/ifcopenshell-python || ERROR=1
-          python${{ env.MIN_BLENDER_PY_VERSION }} -W error -m compileall -q src/bonsai || ERROR=1
+          python3.10 -W error -m compileall -q src/ifcopenshell-python || ERROR=1
+          python3.11 -W error -m compileall -q src/bonsai || ERROR=1
          exit $ERROR
        continue-on-error: true

@@ -58,13 +52,6 @@ jobs:
          black --diff --check . | black-codeclimate | python .github/workflows/black_to_github_annotations.py
        continue-on-error: true

-      - name: ty check
-        id: ty
-        run: |
-          poe ty-venv
-          poe ty
-        continue-on-error: true
-
      - name: Ruff check
        id: ruff
        run: |
@@ -95,7 +82,8 @@ jobs:
            echo "\`\`\`" >> $GITHUB_STEP_SUMMARY
          }

-          run_check poe ruff
+          run_check poe ruff-main
+          run_check poe ruff-old

          exit $ERROR
        continue-on-error: true
@@ -112,7 +100,4 @@ jobs:
          if [ "${{ steps.ruff.outcome }}" != "success" ]; then
            echo "::error::Ruff check failed, see Summary or 'ruff' step for the details." && ERROR=1
          fi
-          if [ "${{ steps.ty.outcome }}" != "success" ]; then
-            echo "::error::ty check failed, see 'ty check' step for the details." && ERROR=1
-          fi
          exit $ERROR
@@ -24,15 +24,9 @@ jobs:
    runs-on: ubuntu-latest
    if: |
      github.repository == 'IfcOpenShell/IfcOpenShell'
-    outputs:
-      timestamp: ${{ steps.timestamp.outputs.timestamp }}
    steps:
-    - name: Get current timestamp
-      id: timestamp
-      # Include hours and minutes to release tag
-      # to avoid possibility of unstable repo's index.json
-      # pointing to the new file when index.json itself wasn't yet updated.
-      run: echo "timestamp=$(date +'%y%m%d%H%M')" >> $GITHUB_OUTPUT
+    - name: Set env
+      run: echo ok go

  build:
    needs: activate
@@ -73,6 +67,12 @@ jobs:
      - name: Get current version
        id: version
        run: echo "version=$(cat VERSION)" >> $GITHUB_OUTPUT
+      - name: Get current date
+        id: date
+        # Include hours and minutes to release tag
+        # to avoid possibility of unstable repo's index.json
+        # pointing to the new file when index.json itself wasn't yet updated.
+        run: echo "date=$(date +'%y%m%d%H%M')" >> $GITHUB_OUTPUT
      - name: Compile
        run: |
          cd src/bonsai && make dist PLATFORM=${{ matrix.config.short_name }} PYVERSION=${{ matrix.pyver }}
@@ -88,8 +88,8 @@ jobs:
          repo_token: ${{ secrets.GITHUB_TOKEN }}
          file: ${{ steps.find_zip.outputs.filepath }}
          asset_name: ${{ steps.find_zip.outputs.filename }}
-          release_name: "bonsai-${{steps.version.outputs.version}}-alpha${{ needs.activate.outputs.timestamp }} (unstable)"
-          tag: "bonsai-${{steps.version.outputs.version}}-alpha${{ needs.activate.outputs.timestamp }}"
+          release_name: "bonsai-${{steps.version.outputs.version}}-alpha${{steps.date.outputs.date}} (unstable)"
+          tag: "bonsai-${{steps.version.outputs.version}}-alpha${{steps.date.outputs.date}}"
          overwrite: true
          body: "See README in https://github.com/IfcOpenShell/bonsai_unstable_repo/ on how to setup autoupdates for daily Bonsai builds."

@@ -109,7 +109,7 @@ jobs:
          # Ensure Bonsai and ifcsverchok enable/disable works before uploading to extensions repo.

          # Download Blender.
-          wget -q -O blender.tar.xz https://download.blender.org/release/Blender5.1/blender-5.1.0-linux-x64.tar.xz
+          wget -q -O blender.tar.xz https://download.blender.org/release/Blender5.0/blender-5.0.1-linux-x64.tar.xz
          tar -xf blender.tar.xz

          # Setup Blender.
@@ -122,7 +122,7 @@ jobs:
          pip install -r requirements.txt
          python setup_extensions_repo.py --last-tag
          cd ..
-          bonsai_zip="$(pwd)/$(ls bonsai_unstable_repo/bonsai_py313*-linux-x64.zip)"
+          bonsai_zip="$(pwd)/$(ls bonsai_unstable_repo/bonsai_py311*-linux-x64.zip)"

          # Install Bonsai.
          blender --command extension install-file -r user_default -e $bonsai_zip
@@ -24,7 +24,7 @@ jobs:
    strategy:
      fail-fast: false
      matrix:
-        pyver: [py311, py312, py313]
+        pyver: [py311, py312]
        config:
          - {
            name: "Windows Build",
@@ -42,11 +42,6 @@ jobs:
            name: "MacOS ARM Build",
            short_name: macosm1,
          }
-        exclude:
-          # Python 3.13 is needed for Blender 5.1+ and Blender dropped Intel Mac support in 5.0.
-          - pyver: py313
-            config:
-              short_name: macos
    steps:
      - uses: actions/checkout@v6
      - uses: actions/setup-python@v6 # https://github.com/actions/setup-python
@@ -1,35 +0,0 @@
-name: ci-ifcedit-pypi
-
-on:
-  workflow_dispatch:
-
-jobs:
-  activate:
-    runs-on: ubuntu-latest
-    if: |
-      github.repository == 'IfcOpenShell/IfcOpenShell'
-    steps:
-    - name: Set env
-      run: echo ok go
-
-  build:
-    needs: activate
-    runs-on: ubuntu-latest
-    strategy:
-      fail-fast: false
-    steps:
-      - uses: actions/checkout@v6
-      - uses: actions/setup-python@v6
-        with:
-          python-version: '3.11'
-      - name: Compile
-        run: |
-          pip install build
-          cd src/ifcedit &&
-          make dist IS_STABLE=TRUE
-      - name: Publish a Python distribution to PyPI
-        uses: pypa/gh-action-pypi-publish@release/v1
-        with:
-          user: __token__
-          password: ${{ secrets.PYPI_API_TOKEN }}
-          packages_dir: src/ifcedit/dist
@@ -1,36 +0,0 @@
-name: ci-ifcmcp-pypi
-
-on:
-  workflow_dispatch:
-
-jobs:
-  activate:
-    runs-on: ubuntu-latest
-    if: |
-      github.repository == 'IfcOpenShell/IfcOpenShell'
-    steps:
-    - name: Set env
-      run: echo ok go
-
-  build:
-    needs: activate
-    runs-on: ubuntu-latest
-    strategy:
-      fail-fast: false
-    steps:
-      - uses: actions/checkout@v6
-      - uses: actions/setup-python@v6
-        with:
-          python-version: '3.11'
-      - name: Compile
-        run: |
-          pip install build
-          cd src/ifcmcp &&
-          make dist IS_STABLE=TRUE
-      - name: Publish a Python distribution to PyPI
-        uses: pypa/gh-action-pypi-publish@release/v1
-        with:
-          user: __token__
-          password: ${{ secrets.PYPI_API_TOKEN }}
-          packages_dir: src/ifcmcp/dist
-          verbose: true
@@ -24,7 +24,7 @@ jobs:
    if: |
      github.repository == 'IfcOpenShell/IfcOpenShell'
    steps:
-      - uses: mamba-org/setup-micromamba@v3 # https://github.com/mamba-org/setup-micromamba
+      - uses: mamba-org/setup-micromamba@v2 # https://github.com/mamba-org/setup-micromamba
        with:
          environment-name: test-env
          create-args: >-
@@ -84,7 +84,7 @@ jobs:
        run: |
          curl -L https://github.com/phracker/MacOSX-SDKs/releases/download/11.3/MacOSX10.13.sdk.tar.xz | tar -xvJf - -C /Users/runner/work/

-      - uses: mamba-org/setup-micromamba@v3 # https://github.com/mamba-org/setup-micromamba
+      - uses: mamba-org/setup-micromamba@v2 # https://github.com/mamba-org/setup-micromamba
        with:
          environment-name: test-env
          create-args: >-
@@ -35,7 +35,7 @@ jobs:

    -
      name: ccache
-      uses: hendrikmuhs/ccache-action@v1.2.23
+      uses: hendrikmuhs/ccache-action@v1.2

    - 
      name: Build ifcopenshell
@@ -73,7 +73,7 @@ jobs:
        make package
      working-directory: build
    - name: Upload 
-      uses: actions/upload-artifact@v7
+      uses: actions/upload-artifact@v6
      with:
        # Artifact name
        name: ifcos-artifacts
@@ -91,26 +91,26 @@ jobs:
        lfs: true
    
    - name: Download 
-      uses: actions/download-artifact@v8.0.1
+      uses: actions/download-artifact@v7.0.0
      with:
        # Artifact name
        name: ifcos-artifacts
        path: artifacts/
    -
      name: Set up QEMU
-      uses: docker/setup-qemu-action@v4
+      uses: docker/setup-qemu-action@v3
    -
      name: Set up Docker Buildx
-      uses: docker/setup-buildx-action@v4        
+      uses: docker/setup-buildx-action@v3        
    - 
      name: Login to Dockerhub
-      uses: docker/login-action@v4 
+      uses: docker/login-action@v3 
      with:
        username: aecgeeks
        password: ${{ secrets.DOCKER_HUB_TOKEN }}
    - 
      name: Build container image
-      uses: docker/build-push-action@v7
+      uses: docker/build-push-action@v6
      with: 
        context: artifacts
        repository: aecgeeks/ifcopenshell
@@ -24,7 +24,7 @@ jobs:
    strategy:
      fail-fast: false
      matrix:
-        pyver: [py310, py311, py312, py313, py314]
+        pyver: [py39, py310, py311, py312, py313, py314]
        config:
          - {
            name: "Windows 64bit",
@@ -19,7 +19,7 @@ jobs:
    strategy:
      fail-fast: false
      matrix:
-        pyver: [py310, py311, py312, py313, py314]
+        pyver: [py39, py310, py311, py312, py313, py314]
        config:
          - {
            name: "Windows 64bit",
@@ -1,35 +0,0 @@
-name: ci-ifcquery-pypi
-
-on:
-  workflow_dispatch:
-
-jobs:
-  activate:
-    runs-on: ubuntu-latest
-    if: |
-      github.repository == 'IfcOpenShell/IfcOpenShell'
-    steps:
-    - name: Set env
-      run: echo ok go
-
-  build:
-    needs: activate
-    runs-on: ubuntu-latest
-    strategy:
-      fail-fast: false
-    steps:
-      - uses: actions/checkout@v6
-      - uses: actions/setup-python@v6
-        with:
-          python-version: '3.11'
-      - name: Compile
-        run: |
-          pip install build
-          cd src/ifcquery &&
-          make dist IS_STABLE=TRUE
-      - name: Publish a Python distribution to PyPI
-        uses: pypa/gh-action-pypi-publish@release/v1
-        with:
-          user: __token__
-          password: ${{ secrets.PYPI_API_TOKEN }}
-          packages_dir: src/ifcquery/dist
@@ -1,46 +0,0 @@
-name: Release Pyodide WASM Wheel
-
-on:
-  workflow_dispatch:
-
-jobs:
-  build-and-push:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout IfcOpenShell
-        uses: actions/checkout@v6
-
-      - name: Install uv
-        uses: astral-sh/setup-uv@v7
-
-      - name: Build wheel
-        working-directory: pyodide
-        run: uv run pack_wheel.py --build
-
-      - name: Find wheel
-        id: wheel
-        run: |
-          WHEEL=$(ls pyodide/dist/ifcopenshell-*.whl)
-          echo "path=$WHEEL" >> $GITHUB_OUTPUT
-          echo "name=$(basename $WHEEL)" >> $GITHUB_OUTPUT
-
-      - name: Checkout wasm-wheels
-        uses: actions/checkout@v6
-        with:
-          repository: IfcOpenShell/wasm-wheels
-          path: wasm-wheels
-          token: ${{ secrets.BUILD_REPO_TOKEN }}
-
-      - name: Commit and push wheel to wasm-wheels
-        run: |
-          WHEEL_NAME="${{ steps.wheel.outputs.name }}"
-          cp "${{ steps.wheel.outputs.path }}" "wasm-wheels/$WHEEL_NAME"
-          cd wasm-wheels
-          git config user.name "IfcOpenBot"
-          git config user.email "ifcopenbot@ifcopenshell.org"
-          git add "$WHEEL_NAME"
-          git commit -m "Add $WHEEL_NAME"
-          VERSION=$(cat ../VERSION)
-          git tag "v${VERSION}"
-          git push origin main
-          git push origin "v${VERSION}"
@@ -51,7 +51,7 @@ jobs:
      - name: Install dependencies
        run: |
          python -m pip install --upgrade pip
-          pip install xmlschema xsdata numpy lxml pytest isodate lark networkx tabulate python-dateutil shapely pyparsing
+          pip install xmlschema xsdata numpy lxml pytest isodate lark networkx tabulate python-dateutil shapely
          pip install src/bcf --no-deps
          pip install pytest-xdist==3.8.0

@@ -79,7 +79,10 @@ jobs:
          libhdf5-dev libcgal-dev libeigen3-dev
          
      - name: ccache
-        uses: hendrikmuhs/ccache-action@v1.2.23
+        # TODO: temporarily pointing to 1.2.19 to get notified by dependabot when 1.2.20 is released
+        # to update hardcoded references to commits in some other workflows.
+        # Then we can switch back to 1.2 in all actions.
+        uses: hendrikmuhs/ccache-action@v1.2.19
        with:
          key: ubuntu-22.04-${{ runner.arch }}

@@ -181,7 +184,6 @@ jobs:
               "-DSCHEMA_VERSIONS=2x3;4;4x3_add2" \
               -DGLTF_SUPPORT=On \
               -DWITH_ROCKSDB=On \
-               -DBUILD_EXAMPLES=ON \
             ../cmake
          sudo make -j $(nproc)
          sudo make install
@@ -254,7 +256,6 @@ jobs:
          cd ../ifcpatch && make test || ERROR=1
          pip install -e ../ifctester --no-deps
          cd ../ifctester && make test || ERROR=1
-          make build-ids-docs || ERROR=1
          # Run mathutils related tests at the end to ensure no other code is relying on mathutils.
          cd ../ifcopenshell-python
          pip install mathutils
@@ -0,0 +1,36 @@
+name: Build and Deploy Stable Documentation
+
+on:
+  workflow_dispatch:  # Manual trigger
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v6
+
+      - name: Set up Python
+        uses: actions/setup-python@v6
+        with:
+          python-version: '3.x'
+
+      - name: Install dependencies
+        run: |
+          cd src/bonsai/docs
+          pip install -r requirements.txt  # Run pip install from the docs directory
+
+      - name: Build documentation
+        run: |
+          cd src/bonsai/docs
+          make html
+
+      - name: Deploy to GitHub Pages (Stable)
+        uses: peaceiris/actions-gh-pages@v4
+        with:
+          deploy_key: ${{ secrets.ACTIONS_DEPLOY_KEY }}
+          external_repository: IfcOpenShell/bonsaibim_org_docs
+          publish_branch: main
+          cname: docs.bonsaibim.org
+          publish_dir: src/bonsai/docs/_build/html
@@ -1,65 +0,0 @@
-name: Deploy AI chat App to static page repo
-
-permissions:
-  id-token: write
-  pages: write
-
-on:
-  push:
-    paths:
-      - 'src/ifcchat/**'
-      - '.github/workflows/publish-aichat-app.yaml'
-    branches:
-      - v0.8.0
-  workflow_dispatch:
-
-jobs:
-  activate:
-    runs-on: ubuntu-latest
-    if: |
-      github.repository == 'IfcOpenShell/IfcOpenShell'
-    steps:
-    - name: Set env
-      run: echo ok go
-      
-  build:
-    needs: activate
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout (recursive)
-        uses: actions/checkout@v6
-        with:
-          submodules: recursive
-          fetch-depth: 0
-      - name: Checkout intermediate Pages repo
-        uses: actions/checkout@v6
-        with:
-          repository: IfcOpenShell/aichat_ifcopenshell_org_static_html
-          ref: gh-pages
-          path: output
-          token: ${{ secrets.WEBSITE_PUBLISH }}
-      - name: Sync demo app into target subfolder
-        run: |
-          rsync -av --delete --exclude='.git/' src/ifcchat/ output/
-      - name: Setup Python
-        uses: actions/setup-python@v6
-        with:
-          python-version: "3.x"
-      - name: Download wheels
-        working-directory: output/
-        run: |
-          pip download ifcquery==0.8.5 ifcopenshell-mcp==0.8.5 ifcedit==0.8.5 lark==1.3.1 isodate==0.7.2 --no-deps -d ./dist
-      - name: Commit and push if changed
-        working-directory: output
-        run: |
-          git config --global user.name 'IfcOpenBot'
-          git config --global user.email 'IfcOpenBot@users.noreply.github.com'
-
-          git add .
-          if git diff --cached --quiet; then
-            echo "No changes to commit"
-            exit 0
-          fi
-
-          git commit  -m "$(git log --oneline -1)"
-          git push origin gh-pages
@@ -1,16 +0,0 @@
-name: Publish Bonsai Releases
-
-on:
-  workflow_dispatch:
-
-jobs:
-  publish:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v6
-
-      - uses: astral-sh/setup-uv@v7
-
-      - run: uv run .github/scripts/publish-bonsai-releases.py
-        env:
-          BLENDER_EXTENSIONS_TOKEN: ${{ secrets.BLENDER_EXTENSIONS_TOKEN }}
@@ -1,4 +1,4 @@
-name: Deploy Pyodide Demo App to static page repo
+name: Deploy Pyodide Demo App to GitHub Pages

 permissions:
  id-token: write
@@ -11,7 +11,6 @@ on:
      - '.github/workflows/publish-pyodide-demo-app.yml'
    branches:
      - v0.8.0
-  workflow_dispatch:

 jobs:
  activate:
@@ -31,27 +30,21 @@ jobs:
        with:
          submodules: recursive
          fetch-depth: 0
-      - name: Checkout intermediate Pages repo
-        uses: actions/checkout@v6
+      - name: Setup Pages
+        uses: actions/configure-pages@v5
+      - name: Upload static files as artifact
+        id: deployment
+        uses: actions/upload-pages-artifact@v4
        with:
-          repository: IfcOpenShell/wasm_ifcopenshell_org_static_html
-          ref: gh-pages
-          path: output
-          token: ${{ secrets.WEBSITE_PUBLISH }}
-      - name: Sync demo app into target subfolder
-        run: |
-          rsync -av --delete --exclude='.git/' src/pyodide/demo-app/ output/
-      - name: Commit and push if changed
-        working-directory: output
-        run: |
-          git config --global user.name 'IfcOpenBot'
-          git config --global user.email 'IfcOpenBot@users.noreply.github.com'
+          path: src/pyodide/demo-app/

-          git add .
-          if git diff --cached --quiet; then
-            echo "No changes to commit"
-            exit 0
-          fi
-
-          git commit -m "$(git log --oneline -1)"
-          git push origin gh-pages
+  deploy:
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    runs-on: ubuntu-latest
+    needs: build
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v4
@@ -5,8 +5,6 @@
 /_installed-vs*-x*/
 /build/
 /src/examples/build/
-# ifctester docs output
-/src/ifctester/test/build/

 # output directories
 /cmake/out/
@@ -14,7 +12,6 @@
 /src/ifcmax/out/
 /src/ifcwrap/out/
 /src/qtviewer/out/
-/src/ifctester/webapp/public/pyodide/

 /win/BuildDepsCache*.txt

@@ -83,14 +80,8 @@ src/ifcopenshell-python/test/build
 # bonsai i18n
 src/bonsai/bonsai/translations.py

-# bonsai external dependencies (cloned for just ty checks)
-src/bonsai/external_dependencies/
-
-# bonsai test temp/cache files
+# bonsai test temp files
 src/bonsai/test/files/temp
-src/bonsai/test/files/*.cache.blend
-src/bonsai/test/files/*.cache.json
-src/bonsai/test/files/*.cache.sqlite

 # bonsai data
 src/bonsai/bonsai/bim/data/build/
@@ -122,9 +113,3 @@ dev_environment.bat

 src/ifcopenshell-python/ifcopenshell/express/*.exp
 src/ifcopenshell-python/ifcopenshell/express/*.exp.cache.dat
-
-
-# temp files from AI coding tools
-*.claude
-*.py.tmp*
-*.json.tmp*
@@ -50,14 +50,11 @@ Contents
 | [ifcconvert](https://docs.ifcopenshell.org/ifcconvert.html)                | CLI app to convert IFC to many other formats                          | LGPL-3.0-or-later\* | [![Official](https://img.shields.io/badge/IfcOpenShell.org-Download-70ba35)](https://docs.ifcopenshell.org/ifcconvert/installation.html) [![GitHub](https://img.shields.io/github/v/release/ifcopenshell/ifcopenshell?filter=ifcconvert-*&label=GitHub&color=f6f8fa)](https://github.com/IfcOpenShell/IfcOpenShell/releases?q=ifcconvert&expanded=true)
 | [ifccsv](https://docs.ifcopenshell.org/ifccsv.html)                    | Library and CLI app to export and import schedules from IFC           | LGPL-3.0-or-later   | [![PyPI](https://img.shields.io/pypi/v/ifccsv?label=PyPI&color=006dad)](https://pypi.org/project/ifccsv/) |
 | [ifcdiff](https://docs.ifcopenshell.org/ifcdiff.html)                   | Compare changes between IFC models                                    | LGPL-3.0-or-later   | [![PyPI](https://img.shields.io/pypi/v/ifcdiff?label=PyPI&color=006dad)](https://pypi.org/project/ifcdiff/) |
-| [ifcedit](https://docs.ifcopenshell.org/ifcedit.html)                   | CLI wrapper for ifcopenshell.api IFC model mutation functions         | LGPL-3.0-or-later   | [![PyPI](https://img.shields.io/pypi/v/ifcedit?label=PyPI&color=006dad)](https://pypi.org/project/ifcedit/) |
 | [ifcfm](https://docs.ifcopenshell.org/ifcfm.html)                     | Extract IFC data for FM handover requirements                         | LGPL-3.0-or-later   | [![PyPI](https://img.shields.io/pypi/v/ifcfm?label=PyPI&color=006dad)](https://pypi.org/project/ifcfm/) |
 | [ifcmax](https://docs.ifcopenshell.org/ifcmax.html)                    | Historic extension for IFC support in 3DS Max                         | LGPL-3.0-or-later\* | [![Official](https://img.shields.io/badge/IfcOpenShell.org-Download-70ba35)](https://docs.ifcopenshell.org/ifcmax.html)
-| [ifcmcp](https://docs.ifcopenshell.org/ifcmcp.html)                    | MCP server for querying and editing IFC building models               | LGPL-3.0-or-later   | [![PyPI](https://img.shields.io/pypi/v/ifcopenshell-mcp?label=PyPI&color=006dad)](https://pypi.org/project/ifcopenshell-mcp/) |
-| [ifcopenshell-python](https://docs.ifcopenshell.org/ifcopenshell-python.html)       | Python library for IFC manipulation                                   | LGPL-3.0-or-later\* | [![Official](https://img.shields.io/badge/IfcOpenShell.org-Download-70ba35)](https://docs.ifcopenshell.org/ifcopenshell-python/installation.html) [![GitHub](https://img.shields.io/github/v/release/ifcopenshell/ifcopenshell?filter=ifcopenshell-python-*&label=GitHub&color=f6f8fa)](https://github.com/IfcOpenShell/IfcOpenShell/releases?q=ifcopenshell-python&expanded=true) [![PyPI](https://img.shields.io/pypi/v/ifcopenshell?label=PyPI&color=006dad)](https://pypi.org/project/ifcopenshell/) [![Anaconda](https://img.shields.io/conda/vn/conda-forge/ifcopenshell?label=Anaconda&color=43b02a)](https://anaconda.org/conda-forge/ifcopenshell) [![Anaconda](https://img.shields.io/conda/vn/ifcopenshell/ifcopenshell?label=Anaconda-Unstable&color=43b02a)](https://anaconda.org/ifcopenshell/ifcopenshell) [![Docker](https://img.shields.io/docker/pulls/aecgeeks/ifcopenshell?label=Docker&color=1D63ED)](https://hub.docker.com/r/aecgeeks/ifcopenshell) [![AUR](https://img.shields.io/aur/version/ifcopenshell?label=AUR&color=1793d1)](https://aur.archlinux.org/packages/ifcopenshell) [![AUR Unstable](https://img.shields.io/aur/version/ifcopenshell-git?label=AUR-Unstable&color=1793d1)](https://aur.archlinux.org/packages/ifcopenshell-git) [![Pyodide WASM Wheels tag](https://img.shields.io/github/v/tag/ifcopenshell/wasm-wheels?sort=semver&label=pyodide-wasm-wheels)](https://github.com/IfcOpenShell/wasm-wheels) |
+| [ifcopenshell-python](https://docs.ifcopenshell.org/ifcopenshell-python.html)       | Python library for IFC manipulation                                   | LGPL-3.0-or-later\* | [![Official](https://img.shields.io/badge/IfcOpenShell.org-Download-70ba35)](https://docs.ifcopenshell.org/ifcopenshell-python/installation.html) [![GitHub](https://img.shields.io/github/v/release/ifcopenshell/ifcopenshell?filter=ifcopenshell-python-*&label=GitHub&color=f6f8fa)](https://github.com/IfcOpenShell/IfcOpenShell/releases?q=ifcopenshell-python&expanded=true) [![PyPI](https://img.shields.io/pypi/v/ifcopenshell?label=PyPI&color=006dad)](https://pypi.org/project/ifcopenshell/) [![Anaconda](https://img.shields.io/conda/vn/conda-forge/ifcopenshell?label=Anaconda&color=43b02a)](https://anaconda.org/conda-forge/ifcopenshell) [![Anaconda](https://img.shields.io/conda/vn/ifcopenshell/ifcopenshell?label=Anaconda-Unstable&color=43b02a)](https://anaconda.org/ifcopenshell/ifcopenshell) [![Docker](https://img.shields.io/docker/pulls/aecgeeks/ifcopenshell?label=Docker&color=1D63ED)](https://hub.docker.com/r/aecgeeks/ifcopenshell) [![AUR](https://img.shields.io/aur/version/ifcopenshell?label=AUR&color=1793d1)](https://aur.archlinux.org/packages/ifcopenshell) [![AUR Unstable](https://img.shields.io/aur/version/ifcopenshell-git?label=AUR-Unstable&color=1793d1)](https://aur.archlinux.org/packages/ifcopenshell-git) [Pyodide WASM Wheels](https://github.com/IfcOpenShell/wasm-wheels#pyodide-test-wheels) |
 | [ifcpatch](https://docs.ifcopenshell.org/ifcpatch.html)                  | Utility to run pre-packaged scripts to manipulate IFCs                | LGPL-3.0-or-later   | [![PyPI](https://img.shields.io/pypi/v/ifcpatch?label=PyPI&color=006dad)](https://pypi.org/project/ifcpatch/) |
-| [ifcquery](https://docs.ifcopenshell.org/ifcquery.html)                  | CLI tool for querying and inspecting IFC building models              | LGPL-3.0-or-later   | [![PyPI](https://img.shields.io/pypi/v/ifcquery?label=PyPI&color=006dad)](https://pypi.org/project/ifcquery/) |
-| [ifcsverchok](https://docs.ifcopenshell.org/ifcsverchok.html)               | Blender Add-on for visual node programming with IFC                   | GPL-3.0-or-later    | [![GitHub](https://img.shields.io/github/v/release/ifcopenshell/ifcopenshell?filter=ifcsverchok-*.*.*&label=GitHub&color=f6f8fa)](https://github.com/IfcOpenShell/IfcOpenShell/releases?q=ifcsverchok&expanded=true)
+| [ifcsverchok](https://docs.ifcopenshell.org/ifcsverchok.html)               | Blender Add-on for visual node programming with IFC                   | GPL-3.0-or-later    | [![GitHub Unstable](https://img.shields.io/github/v/release/ifcopenshell/ifcopenshell?filter=ifcsverchok-*.*.*.*&label=GitHub-Unstable&color=f6f8fa)](https://github.com/IfcOpenShell/IfcOpenShell/releases?q=ifcsverchok&expanded=true)
 | [ifctester](https://docs.ifcopenshell.org/ifctester.html)                 | Library, CLI and webapp for IDS model auditing                        | LGPL-3.0-or-later   | [![PyPI](https://img.shields.io/pypi/v/ifctester?label=PyPI&color=006dad)](https://pypi.org/project/ifctester/) |

 The IfcOpenShell C++ codebase is split into multiple interal libraries:
@@ -1 +1 @@
-0.8.6
+0.8.5
@@ -13,7 +13,6 @@ import hashlib
 import os
 import pathlib
 import re
-import subprocess
 from typing import NoReturn
 from urllib import request

@@ -21,7 +20,7 @@ from github import Github


 def get_repo_tag_names() -> list[str]:
-    git_return = subprocess.check_output("git tag -l", text=True)
+    git_return = os.popen("git tag -l").read()
    tag_names = [tag_name for tag_name in git_return.split("\n") if tag_name]
    print(f"{len(tag_names)} tag_names found in repo")
    return tag_names
@@ -79,10 +78,6 @@ def get_release_zip(tag: str) -> tuple[str, str]:
    raise Exception(f"Couldn't find the release matching '{python_version}' and '{TARGET_OS}' in tag '{tag}'.")


-def run(command: str) -> None:
-    subprocess.check_output(command)
-
-
 start = datetime.datetime.now()

 URL_CHOCO_PACKAGE  = "https://community.chocolatey.org/packages/blender"
@@ -102,7 +97,7 @@ should_release = False
 target_release_tag = ""
 TARGET_OS = "windows-x64"

-git_status = subprocess.check_output("git status", text=True)
+git_status = os.popen("git status").read()
 print(git_status)

 for tag_name in get_repo_tag_names():
@@ -152,7 +147,7 @@ blenderbim_build_version = target_release_tag.replace("blenderbim-", "")

 # url_blenderbim_py3x_win_zip
 release_zip_file_name, url_blenderbim_py3x_win_zip = get_release_zip(target_release_tag)
-subprocess.check_call(f"wget {url_blenderbim_py3x_win_zip} --no-verbose")
+os.popen(f"wget {url_blenderbim_py3x_win_zip} --no-verbose").read()

 # sha256sum_blenderbim_py310_win_zip
 sha256sum_blenderbim_py3x_win_zip = get_file_sha256_hash(release_zip_file_name)
@@ -206,13 +201,13 @@ print("[INFO] inserting dynamic chocolatey package parameters successful")
 print("\n_____ build choco.exe with mono")

 choco_version = "1.1.0"
-run(f"wget https://github.com/chocolatey/choco/archive/refs/tags/{choco_version}.tar.gz --quiet")
-run(f"tar -xzf {choco_version}.tar.gz")
+os.popen(f"wget https://github.com/chocolatey/choco/archive/refs/tags/{choco_version}.tar.gz --quiet").read()
+os.popen(f"tar -xzf {choco_version}.tar.gz").read()
 print("choco tar unpack successful")
 os.chdir("choco-1.1.0")
-run("./build.sh")
+os.popen("./build.sh").read()

-run("cp -r build_output/chocolatey /opt/chocolatey")
+os.popen("cp -r build_output/chocolatey /opt/chocolatey").read()
 os.chdir(BLENDERBIM_DIR)

 if pathlib.Path("/opt/chocolatey/choco.exe").exists():
@@ -220,15 +215,11 @@ if pathlib.Path("/opt/chocolatey/choco.exe").exists():

 print("\n_____ build choco pack")

-run("mono /opt/chocolatey/choco.exe pack --allow-unofficial")
-run(
-    'mono /opt/chocolatey/choco.exe setapikey --key="{choco_token}" --source="https://push.chocolatey.org/" --allow-unofficial'
-)
+os.popen("mono /opt/chocolatey/choco.exe pack --allow-unofficial").read()
+os.popen('mono /opt/chocolatey/choco.exe setapikey --key="{choco_token}" --source="https://push.chocolatey.org/" --allow-unofficial').read()

 print("\n_____ build choco push")
-run(
-    'mono /opt/chocolatey/choco.exe push --source="https://push.chocolatey.org/" --key="$CHOCO_TOKEN" --allow-unofficial --verbose'
-)
+os.popen('mono /opt/chocolatey/choco.exe push --source="https://push.chocolatey.org/" --key="$CHOCO_TOKEN" --allow-unofficial --verbose').read()

 print(f"choco push of version: {target_release_tag} successful!")
 print(f"it took: {datetime.datetime.now() - start}")
@@ -80,7 +80,7 @@ option(BUILD_IFCGEOM "Build IfcGeom." ON)
 option(BUILD_IFCPYTHON "Build IfcPython." ON)
 option(BUILD_CONVERT "Build IfcConvert executable." ON)
 option(BUILD_DOCUMENTATION "Build IfcOpenShell Documentation." OFF)
-option(BUILD_EXAMPLES "Build example applications." OFF)
+option(BUILD_EXAMPLES "Build example applications." ON)
 option(BUILD_GEOMSERVER "Build IfcGeomServer executable (Open CASCADE is required)." ON)
 option(BUILD_IFCMAX "Build IfcMax, a 3ds Max plug-in, Windows-only." OFF)
 option(BUILD_QTVIEWER "Build IfcOpenShell Qt GUI Viewer" OFF) # QtViewer requires Qt6
@@ -258,14 +258,10 @@ if(WITH_ROCKSDB)
    set(ROCKSDB_LIBRARIES "IFCOPENSHELL_RocksDB")
    target_compile_definitions(IFCOPENSHELL_RocksDB INTERFACE IFOPSH_WITH_ROCKSDB)
    set(SWIG_DEFINES ${SWIG_DEFINES} -DIFOPSH_WITH_ROCKSDB)
-    # See https://github.com/facebook/rocksdb/issues/981.
-    if(TARGET RocksDB::rocksdb)
-        target_link_libraries(IFCOPENSHELL_RocksDB INTERFACE RocksDB::rocksdb)
-    elseif(TARGET RocksDB::rocksdb-shared)
-        target_link_libraries(IFCOPENSHELL_RocksDB INTERFACE RocksDB::rocksdb-shared)
-    else()
-        message(FATAL_ERROR "RocksDB found but neither RocksDB::rocksdb nor RocksDB::rocksdb-shared target exists")
-    endif()
+    target_link_libraries(
+        IFCOPENSHELL_RocksDB
+        INTERFACE $<IF:$<TARGET_EXISTS:RocksDB::rocksdb-shared>,RocksDB::rocksdb-shared,RocksDB::rocksdb>
+    )

    if(WITH_ZSTD)
        # @todo do we actually need the zstd include dir or rather just pass
@@ -372,20 +368,12 @@ if(ENABLE_BUILD_OPTIMIZATIONS)

        # Linker
        # /OPT:REF enables also /OPT:ICF and disables INCREMENTAL
-        set(LINKER_FLAGS_RELEASE "/LTCG /OPT:REF")
-        # /OPT:NOICF is recommended when /DEBUG is used (http://msdn.microsoft.com/en-us/library/xe4t6fc1.aspx)
-        set(LINKER_FLAGS_RELWITHDEBINFO "/DEBUG /OPT:NOICF")
+        set(CMAKE_SHARED_LINKER_FLAGS_RELEASE "${CMAKE_SHARED_LINKER_FLAGS_RELEASE} /LTCG /OPT:REF")

-        set(CMAKE_SHARED_LINKER_FLAGS_RELEASE "${CMAKE_SHARED_LINKER_FLAGS_RELEASE} ${LINKER_FLAGS_RELEASE}")
-        set(CMAKE_SHARED_LINKER_FLAGS_RELWITHDEBINFO
-            "${CMAKE_SHARED_LINKER_FLAGS_RELEASE} ${LINKER_FLAGS_RELWITHDEBINFO}"
-        )
-        set(CMAKE_EXE_LINKER_FLAGS_RELEASE "${CMAKE_EXE_LINKER_FLAGS_RELEASE} ${LINKER_FLAGS_RELEASE}")
-        set(CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO "${CMAKE_EXE_LINKER_FLAGS_RELEASE} ${LINKER_FLAGS_RELWITHDEBINFO}")
-        set(CMAKE_MODULE_LINKER_FLAGS_RELEASE "${CMAKE_MODULE_LINKER_FLAGS_RELEASE} ${LINKER_FLAGS_RELEASE}")
-        set(CMAKE_MODULE_LINKER_FLAGS_RELWITHDEBINFO
-            "${CMAKE_MODULE_LINKER_FLAGS_RELEASE} ${LINKER_FLAGS_RELWITHDEBINFO}"
-        )
+        # /OPT:NOICF is recommended when /DEBUG is used (http://msdn.microsoft.com/en-us/library/xe4t6fc1.aspx)
+        set(CMAKE_SHARED_LINKER_FLAGS_RELWITHDEBINFO "${CMAKE_SHARED_LINKER_FLAGS_RELEASE} /DEBUG /OPT:NOICF")
+        set(CMAKE_EXE_LINKER_FLAGS_RELEASE "${CMAKE_EXE_LINKER_FLAGS_RELEASE} /LTCG /OPT:REF")
+        set(CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO "${CMAKE_EXE_LINKER_FLAGS_RELEASE} /DEBUG /OPT:NOICF")
    else()
        # GCC-like: Release should use O3 but RelWithDebInfo 02 so enforce 03. Anything other useful that could be added here?
        set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -O3")
@@ -88,15 +88,7 @@ if(NOT HDF5_INCLUDE_DIR OR NOT HDF5_LIBRARY_DIR)
    mark_as_advanced(HDF5_DIR)
    if(HDF5_DIR)
        message(STATUS "HDF5: found config at '${HDF5_DIR}'.")
-        if(TARGET hdf5_cpp-static)
-            set(HDF5_LIBRARIES hdf5_cpp-static)
-        elseif(TARGET hdf5_cpp-shared)
-            set(HDF5_LIBRARIES hdf5_cpp-shared)
-        elseif(TARGET hdf5::hdf5_cpp-shared)
-            set(HDF5_LIBRARIES hdf5::hdf5_cpp-shared)
-        else()
-            find_package(HDF5 REQUIRED COMPONENTS CXX)
-        endif()
+        set(HDF5_LIBRARIES hdf5_cpp-static)
    else()
        # If it failed, still try to find as a module.
        # E.g. on Ubuntu `libhdf5-dev` doesn't provie hdf5-config.cmake.
@@ -43,17 +43,6 @@ if(NOT OCC_INCLUDE_DIR AND NOT OCC_LIBRARY_DIR)
        set_target_properties(TKernel PROPERTIES INTERFACE_INCLUDE_DIRECTORIES "${OpenCASCADE_INCLUDE_DIR}")
    endif()

-    if(
-        OpenCASCADE_VERSION VERSION_LESS "7.9.0"
-        AND CMAKE_VERSION GREATER_EQUAL "3.24"
-        AND CMAKE_CXX_COMPILER_ID STREQUAL "GNU"
-    )
-        # Before 7.9.0 targets in OCCT cmake configs are not linked to each other
-        # leading to missing symbols on Unix. Link them as a single group as a workaround.
-        # Only needed for gcc, because other compilers (e.g. Apple Clang, MSVC) do rescan automatically.
-        set(OpenCASCADE_LIBRARIES "$<LINK_GROUP:RESCAN,${OpenCASCADE_LIBRARIES}>")
-    endif()
-
    if(OpenCASCADE_VERSION VERSION_LESS "7.9.0" AND WIN32)
        # Bug in OCCT cmake configs < 7.9.0 - missing linked library.
        list(APPEND OpenCASCADE_LIBRARIES WSOCK32.lib)
@@ -1,6 +1,4 @@
 #!/usr/bin/python
-# /// script
-# ///
 ###############################################################################
 #                                                                             #
 # This file is part of IfcOpenShell.                                          #
@@ -77,30 +75,27 @@ Used environment variables:
 #                                                                             #
 #   for python37 to install correctly additionally:                           #
 #     * libffi(-dev[el])                                                      #
-#   for Python build we also needs ssl and zlib                               #
+#   for Python build we also needs ssl                                        #
 #   (since we do `pip install numpy` at the end)                              #
 #     * libssl-dev                                                            #
 #                                                                             #
 #     on debian 7.8 these can be obtained with:                               #
 #          $ apt-get install git gcc g++ autoconf bison bzip2 cmake           #
 #            mesa-common-dev libffi-dev libfontconfig1-dev                    #
-#            libssl-dev xz zlib1g-dev                                         #
+#            libssl-dev xz                                                    #
 #                                                                             #
 #     on ubuntu 14.04:                                                        #
 #          $ apt-get install git gcc g++ autoconf bison make cmake            #
 #            mesa-common-dev libffi-dev libfontconfig1-dev                    #
-#            libssl-dev xz-utils zlib1g-dev                                   #
+#            libssl-dev xz-utils                                              #
 #                                                                             #
 #     on OS X El Capitan with homebrew:                                       #
 #          $ brew install git bison autoconf automake libffi cmake            #
-#          $ # `bison` shipped with Mac is too old for swig build,            #
-#          $ # so we use `brew`.                                              #
-#          $ export PATH=$(brew --prefix bison)/bin:$PATH                     #
 #                                                                             #
 #     on RHEL-related distros:                                                #
-#          $ dnf install git gcc gcc-c++ autoconf bison make cmake            #
+#          $ yum install git gcc gcc-c++ autoconf bison make cmake            #
 #            mesa-libGL-devel libffi-devel fontconfig-devel bzip2             #
-#            automake patch byacc xz zlib-devel openssl-devel                 #
+#            automake patch byacc xz                                          #

 """

@@ -126,9 +121,16 @@ ssl._create_default_https_context = ssl._create_unverified_context
 import time
 from collections.abc import Generator, Sequence
 from pathlib import Path
-from typing import Literal, Union
 from urllib.request import urlretrieve

+try:
+    from typing import Literal, Union
+except:
+    # python 3.6 compatibility for rocky 8
+    from typing import Union
+
+    from typing_extensions import Literal
+
 logger = logging.getLogger(__name__)
 logger.setLevel(logging.INFO)
 ch = logging.StreamHandler()
@@ -145,8 +147,9 @@ OCCT_VERSION = "7.8.1"
 BOOST_VERSION = "1.86.0"
 EIGEN_VERSION = "3.4.0"
 PCRE_VERSION = "8.41"
+PCRE2_VERSION = "10.32"
 LIBXML2_VERSION = "2.13.8"
-SWIG_VERSION = "4.2.1"
+SWIG_VERSION = "4.1.0"
 OPENCOLLADA_VERSION = "v1.6.68"
 HDF5_VERSION = "1.13.1"

@@ -243,8 +246,15 @@ if WASM:
    # https://github.com/pyodide/pyodide-build/pull/249
    WASM_CMAKE_IS_USING_INIT_VARS = get_pyodide_build_version() >= (99, 0, 0)

-    # 0.31 is required for SIDE_MODULE_CXXFLAGS to be provided.
-    assert get_pyodide_build_version() >= (0, 31)
+    # pyodide provide empty `CXXFLAGS`, leading to issues using C++ files compiled with `-fexceptions`
+    # which is used by OCCT.
+    # https://github.com/pyodide/pyodide-build/issues/251
+    side_module_cxx_flags = os.environ.get("SIDE_MODULE_CXXFLAGS", "")
+    if side_module_cxx_flags.strip():
+        print("SIDE_MODULE_CXXFLAGS are already passed from pyodide build ('{side_module_cxx_flags}').")
+        print("Maybe it's time to stop overriding them in the script?")
+
+    os.environ["SIDE_MODULE_CXXFLAGS"] = os.environ["SIDE_MODULE_CFLAGS"]

 # Set defaults for missing empty environment variables

@@ -284,7 +294,6 @@ DEPS_DIR = os.getenv("DEPS_DIR", DEFAULT_DEPS_DIR)
 if not os.path.exists(DEPS_DIR):
    os.makedirs(DEPS_DIR)

-INSTALL_DIR = Path(DEPS_DIR) / "install"
 BUILD_CFG = os.getenv("BUILD_CFG", "RelWithDebInfo")


@@ -310,18 +319,24 @@ cecho(f"* Build Directory   = {BUILD_DIR}", MAGENTA)
 cecho(f"* Dependency Directory   = {DEPS_DIR}", MAGENTA)
 cecho(f" - The directory where {PROJECT_NAME} dependencies are installed.")
 cecho(f"* Build Config Type      = {BUILD_CFG}", MAGENTA)
-cecho(""" - The used build configuration type for the dependencies.
-   Defaults to RelWithDebInfo if not specified.""")
+cecho(
+    """ - The used build configuration type for the dependencies.
+   Defaults to RelWithDebInfo if not specified."""
+)

 if BUILD_CFG == "MinSizeRel":
    cecho("     WARNING: MinSizeRel build can suffer from a significant performance loss.", RED)

 cecho(f"* IFCOS_NUM_BUILD_PROCS  = {IFCOS_NUM_BUILD_PROCS}", MAGENTA)
-cecho(""" - How many compiler processes may be run in parallel.
-""")
+cecho(
+    """ - How many compiler processes may be run in parallel.
+"""
+)
 cecho(f" * IFCOS_SCHEMAS = '{os.environ.get('IFCOS_SCHEMAS')}'", MAGENTA)
-cecho(""" - IFC Schemas to compile. If not provided, fallback to default provided in cmake.
-""")
+cecho(
+    """ - IFC Schemas to compile. If not provided, fallback to default provided in cmake.
+"""
+)

 dependency_tree: "dict[str, tuple[str, ...]]" = {
    "IfcParse": ("boost", "libxml2", "hdf5", "rocksdb"),
@@ -330,12 +345,13 @@ dependency_tree: "dict[str, tuple[str, ...]]" = {
    "OpenCOLLADA": ("libxml2", "pcre"),
    "IfcGeomServer": ("IfcGeom",),
    "IfcOpenShell-Python": ("python", "swig", "IfcGeom"),
-    "swig": (),
+    "swig": ("pcre2",),
    "boost": (),
    "libxml2": (),
    "python": (),
    "occ": (),
    "pcre": (),
+    "pcre2": (),
    "json": (),
    "hdf5": (),
    "cgal": (),
@@ -402,6 +418,7 @@ if WASM:
        "opencollada",
        "swig",
        "pcre",
+        "pcre2",
        "IfcGeom",
        "IfcConvert",
        "IfcGeomServer",
@@ -416,16 +433,13 @@ print("Building:", *sorted(targets, key=lambda t: len(list(gather_dependencies(t

 # Check that required tools are in PATH
 yacc = "yacc"  # Used during swig building process, installed with `bison` on Debian / `byacc` on Red Hat.
-bison = "bison"
-
 missing_commands: "list[str]" = []
-required_commands = [git, bunzip2, tar, cc, cplusplus, autoconf, automake, make, "patch", "cmake", yacc, xz, bison]
+required_commands = [git, bunzip2, tar, cc, cplusplus, autoconf, automake, make, "patch", "cmake", yacc, xz]
 if "wasm" in flags:
    # Skip swig build for WASM.
    required_commands.append("swig")
    required_commands.append("pyodide")
    required_commands.remove(yacc)
-    required_commands.remove(bison)

 for cmd in required_commands:
    if shutil.which(cmd) is None:
@@ -484,7 +498,7 @@ def run(cmds: "Sequence[str]", cwd: "Union[str, None]" = None, can_fail: bool =
            collector.append(line)
        pipe.close()

-    logger.debug(f"running command `{' '.join(cmds)}` in directory '{cwd}'")
+    logger.debug(f"running command {' '.join(cmds)} in directory {cwd}")
    stdout: list[str] = []
    stderr: list[str] = []

@@ -530,14 +544,14 @@ BOOST_LOCATION = f"https://github.com/boostorg/boost/releases/download/boost-{BO
 # Helper functions


-def run_autoconf(dependency_name: str, configure_args: "list[str]", cwd: str) -> None:
+def run_autoconf(arg1: str, configure_args: "list[str]", cwd: str) -> None:
    configure_path = os.path.realpath(os.path.join(cwd, "..", "configure"))
    if not os.path.exists(configure_path):
        run(
            [bash, "./autogen.sh"], cwd=os.path.realpath(os.path.join(cwd, ".."))
        )  # only run autogen.sh in the directory it is located and use cwd to achieve that in order to not mess up things
    # Using `sh` over `bash` fixes issues with building swig
-    prefix = os.path.realpath(f"{DEPS_DIR}/install/{dependency_name}")
+    prefix = os.path.realpath(f"{DEPS_DIR}/install/{arg1}")

    wasm = []
    if "wasm" in flags:
@@ -916,15 +930,20 @@ if "pcre" in targets:
        restore_env("CC", OLD_CC)
        restore_env("CXX", OLD_CXX)

-if "swig" in targets:
-    dependency_name = f"swig-{SWIG_VERSION}"
+if "pcre2" in targets:
    build_dependency(
-        name=dependency_name,
-        mode="cmake",
-        build_tool_args=[
-            "-DWITH_PCRE=OFF",
-            f"-DCMAKE_INSTALL_PREFIX={DEPS_DIR}/install/{dependency_name}",
-        ],
+        name=f"pcre2-{PCRE2_VERSION}",
+        mode="autoconf",
+        build_tool_args=[DISABLE_FLAG],
+        download_url=f"https://downloads.sourceforge.net/project/pcre/pcre2/{PCRE2_VERSION}/",
+        download_name=f"pcre2-{PCRE2_VERSION}.tar.bz2",
+    )
+
+if "swig" in targets:
+    build_dependency(
+        name=f"swig-{SWIG_VERSION}",
+        mode="autoconf",
+        build_tool_args=["--disable-ccache", f"--with-pcre2-prefix={DEPS_DIR}/install/pcre2-{PCRE2_VERSION}"],
        download_url="https://github.com/swig/swig.git",
        download_name="swig",
        download_tool=download_tool_git,
@@ -932,18 +951,21 @@ if "swig" in targets:
    )

 if USE_OCCT and "occ" in targets:
-    occt_args: "list[str]" = []
-    patches: "list[str]" = []
+    patches = []
    if OCCT_VERSION < "7.4":
        patches.append("./patches/occt/enable-exception-handling.patch")

-    # Skip ExpToCasExe as we don't need it and it requires additional dependencies.
-    # Before 7.7.2 ExpToCasExe is part of DataExchange, DETools doesn't exist yet.
-    # Since we do need DataExchange (used for IgesSerializer), we use a patch to skip only ExpToCasExe.
-    if "7.7.2" > OCCT_VERSION >= "7.7":
+    if OCCT_VERSION == "7.7.1":
        patches.append("./patches/occt/no_ExpToCasExe.patch")
-    elif OCCT_VERSION >= "7.7.2":
-        occt_args.append("-DBUILD_MODULE_DETools=OFF")
+
+    if OCCT_VERSION == "7.7.2":
+        patches.append("./patches/occt/no_ExpToCasExe_7_7_2.patch")
+
+    if OCCT_VERSION == "7.8.1":
+        patches.append("./patches/occt/no_ExpToCasExe_7_8_1.patch")
+
+    if OCCT_VERSION == "7.9.1":
+        patches.append("./patches/occt/no_ExpToCasExe_7_9_1.patch")

    if "wasm" in flags:
        patches.append("./patches/occt/no_em_js.patch")
@@ -964,7 +986,6 @@ if USE_OCCT and "occ" in targets:
            f"-DUSE_GLES2=OFF",
            f"-DCMAKE_POLICY_VERSION_MINIMUM=3.5",
            *MAC_CROSS_COMPILE_INTEL_ARGS,
-            *occt_args,
        ],
        download_url="https://github.com/Open-Cascade-SAS/OCCT",
        download_name="occt",
@@ -1080,28 +1101,23 @@ if "python" in targets and not USE_CURRENT_PYTHON_VERSION and "wasm" not in flag
        PYTHON_CONFIGURE_ARGS.extend(["--with-universal-archs=intel-64", "--enable-universalsdk"])

    for PYTHON_VERSION in PYTHON_VERSIONS:
-        # Don't fail silently on missing Python dependencies (e.g. openssl or zlib),
-        # because later ifcopenshell-python build will fail too but in a more confusing way.
-        build_dependency(
-            f"python-{PYTHON_VERSION}",
-            "autoconf",
-            PYTHON_CONFIGURE_ARGS,
-            f"http://www.python.org/ftp/python/{PYTHON_VERSION}/",
-            f"Python-{PYTHON_VERSION}.tgz",
-        )
-        python_install = INSTALL_DIR / f"python-{PYTHON_VERSION}"
-        python_bin = python_install / "bin" / "python3"
-        # `_ssl` module is present -> we will be able to install `numpy` later
-        # to verify IfcOpenShell installation
        try:
-            run([str(python_bin), "-c", "import _ssl"])
-        except RuntimeError:
-            print(
-                "ERROR: Python was built without SSL support (_ssl module is missing). "
-                f"To fix this: remove the installed Python at {python_install}; "
-                "install OpenSSL development libraries and re-run."
+            build_dependency(
+                f"python-{PYTHON_VERSION}",
+                "autoconf",
+                PYTHON_CONFIGURE_ARGS,
+                f"http://www.python.org/ftp/python/{PYTHON_VERSION}/",
+                f"Python-{PYTHON_VERSION}.tgz",
            )
-            raise
+        except RuntimeError as e:
+            # Sometimes setting up modules such as pip/lzma can cause
+            # the python installer script to return a non zero exit
+            # code where actually the headers and dynamic libraries
+            # are installed correctly. This is all we need so we catch
+            # the exception and only reraise if a partially successful
+            # install is not detected.
+            if not os.path.exists(os.path.join(DEPS_DIR, "install", f"python-{PYTHON_VERSION}")):
+                raise e

    if MAC_CROSS_COMPILE_INTEL:
        assert original_path
@@ -1519,16 +1535,13 @@ if "IfcOpenShell-Python" in targets:
        )
        # Copy setup.py where pyodide build system expects it.
        shutil.copy(REPO_PATH / "pyodide" / "setup.py", REPO_PATH)
-        # Empty pyproject so it's contents won't affect the resulting wheel
-        # otherwise the wheel will use version and dependencies from toml, not setup.py.
-        (REPO_PATH / "pyproject.toml").write_text("")

    elif USE_CURRENT_PYTHON_VERSION:
        python_info = sysconfig.get_paths()
        compile_python_wrapper(platform.python_version(), python_info["include"], sys.executable)
    else:
        for python_version in PYTHON_VERSIONS:
-            python_path = INSTALL_DIR / f"python-{python_version}"
+            python_path = Path(DEPS_DIR) / "install" / f"python-{python_version}"
            module_dir = compile_python_wrapper(python_version, python_path=python_path)
            assert module_dir
            # Not sure why, but added after reading this in the logs
@@ -1,9 +1,13 @@
--- a/adm/MODULES
-+++ b/adm/MODULES
-@@ -3,5 +3,5 @@ ModelingData TKG2d TKG3d TKGeomBase TKBRep
- ModelingAlgorithms TKGeomAlgo TKTopAlgo TKPrim TKBO TKBool TKHLR TKFillet TKOffset TKFeat TKMesh TKXMesh TKShHealing
- Visualization TKService TKV3d TKOpenGl TKOpenGles TKMeshVS TKIVtk TKD3DHost
- ApplicationFramework TKCDF TKLCAF TKCAF TKBinL TKXmlL TKBin TKXml TKStdL TKStd TKTObj TKBinTObj TKXmlTObj TKVCAF
-DataExchange TKXDE TKXSBase TKSTEPBase TKSTEPAttr TKSTEP209 TKSTEP TKIGES TKXCAF TKXDEIGES TKXDESTEP TKSTL TKVRML TKXmlXCAF TKBinXCAF TKRWMesh TKXDECascade TKExpress ExpToCasExe
-+DataExchange TKXDE TKXSBase TKSTEPBase TKSTEPAttr TKSTEP209 TKSTEP TKIGES TKXCAF TKXDEIGES TKXDESTEP TKSTL TKVRML TKXmlXCAF TKBinXCAF TKRWMesh TKXDECascade TKExpress
- Draw TKDraw TKTopTest TKOpenGlTest TKOpenGlesTest TKD3DHostTest TKViewerTest TKXSDRAW TKDCAF TKXDEDRAW TKTObjDRAW TKQADraw TKIVtkDraw DRAWEXE
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index fd17283f77..6cecf9dad3 100644
+--- a/CMakeLists.txt
+++ b/CMakeLists.txt
+@@ -826,6 +826,8 @@ if (EMSCRIPTEN)
+   list (REMOVE_ITEM BUILD_TOOLKITS ExpToCasExe)
+ endif()
+ 
+list (REMOVE_ITEM BUILD_TOOLKITS ExpToCasExe)
+
+ # bison
+ if (BUILD_YACCLEX)
+   OCCT_INCLUDE_CMAKE_FILE ("adm/cmake/bison")
@@ -0,0 +1,13 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 1bacca1a48..11f931ad39 100644
+--- a/CMakeLists.txt
+++ b/CMakeLists.txt
+@@ -820,6 +820,8 @@ else()
+   OCCT_CHECK_AND_UNSET ("3RDPARTY_DOT_EXECUTABLE")
+ endif()
+ 
+list (REMOVE_ITEM BUILD_TOOLKITS ExpToCasExe)
+
+ # bison
+ if (BUILD_YACCLEX)
+   OCCT_INCLUDE_CMAKE_FILE ("adm/cmake/bison")
@@ -0,0 +1,13 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 86905287dc..9d0bce984c 100644
+--- a/CMakeLists.txt
+++ b/CMakeLists.txt
+@@ -828,6 +828,8 @@ else()
+   OCCT_CHECK_AND_UNSET ("3RDPARTY_DOT_EXECUTABLE")
+ endif()
+ 
+list (REMOVE_ITEM BUILD_TOOLKITS ExpToCasExe)
+
+ # bison
+ if (BUILD_YACCLEX)
+   OCCT_INCLUDE_CMAKE_FILE ("adm/cmake/bison")
@@ -0,0 +1,13 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 34300d41ad..09b2e0d45f 100644
+--- a/CMakeLists.txt
+++ b/CMakeLists.txt
+@@ -721,6 +721,8 @@ else()
+   OCCT_CHECK_AND_UNSET ("3RDPARTY_DOT_EXECUTABLE")
+ endif()
+ 
+list (REMOVE_ITEM BUILD_TOOLKITS ExpToCasExe)
+
+ # bison
+ if (BUILD_YACCLEX)
+   list (APPEND OCCT_3RDPARTY_CMAKE_LIST "adm/cmake/bison")
@@ -1,30 +1,26 @@
 #!/usr/bin/bash
 set -ex

-PYODIDE_VERSION=0.29.3
-PYODIDE_BUILD_VERSION=0.33.0
-PYODIDE_XBUILDENV_ROOT="${HOME}/.cache/.pyodide-xbuildenv-${PYODIDE_BUILD_VERSION}"
-PYODIDE_XBUILDENV="${PYODIDE_XBUILDENV_ROOT}/${PYODIDE_VERSION}"
-
-# Script is assuming that it will be possible to execute it multiple times
-# therefore we're clearing venv each time and ignoring existing 'emsdk' folder.
-
 # Install uv.
 curl -LsSf https://astral.sh/uv/install.sh | sh
-uv venv --python 3.13 --clear
+uv venv --python 3.13
 source .venv/bin/activate

 # Install pyodide cross build environment.
 # Instructions: https://pyodide.org/en/stable/development/building-packages.html
-uv pip install "pyodide-build==${PYODIDE_BUILD_VERSION}"
+uv pip install pyodide-build
 # `uv run` is required, so xbuildenv would skip using `pip`.
-uv run pyodide xbuildenv install "${PYODIDE_VERSION}"
-uv run pyodide xbuildenv install-emscripten
+uv run pyodide xbuildenv install

-EMSDK_ROOT="${PYODIDE_XBUILDENV}/emsdk"
-source "${EMSDK_ROOT}/emsdk_env.sh"
+# Emscripten doesn't come with xbuildenv.
+git clone https://github.com/emscripten-core/emsdk
+pushd emsdk
+PYODIDE_EMSCRIPTEN_VERSION=$(pyodide config get emscripten_version)
+./emsdk install ${PYODIDE_EMSCRIPTEN_VERSION}
+./emsdk activate ${PYODIDE_EMSCRIPTEN_VERSION}
+source emsdk_env.sh
 which emcc
-emcc --version
+popd

 mkdir -p packages/ifcopenshell
 VERSION=`cat IfcOpenShell/VERSION`
@@ -1,5 +1,3 @@
-# /// script
-# ///
 """
 Cache built dependencies for builds.

@@ -7,13 +5,9 @@ This script is finding common install directory and either
 packs each folder into a tar.gz archive, if it wasn't packed before,
 or unpacks existing archives.

-Expected to be executed from 'build' directory (e.g. that might contain 'Linux/x86_64/install').
-
 Usage: python cache_dependencies.py [pack|unpack]
 """

-import platform
-import subprocess
 import sys
 import tarfile
 from pathlib import Path
@@ -23,35 +17,23 @@ CACHE_PREFIX = "cache-"


 def get_install_dir() -> Path:
-    if platform.system() == "Darwin":
-        pattern = "Darwin/*/*/install"
-    else:
-        pattern = "*/*/install"
-    for data in Path.cwd().glob(pattern):
+    for data in Path.cwd().glob("*/*/install"):
        return data
    raise Exception("No install dir found")


-def run(cmd: str) -> None:
-    print(f"Running command: `{cmd}`")
-    subprocess.check_call(cmd, shell=True)
-
-
 def pack_dependencies(install_dir: Path) -> None:
    # Process each install_dir
    for dependency_path in install_dir.iterdir():
        if not dependency_path.is_dir():
            continue
        dependency_name = dependency_path.name
-        # Skip ifcopenshell - it's a build output, not a dependency to reuse across builds.
-        if dependency_name == "ifcopenshell":
-            continue
        tar_path = install_dir / f"{CACHE_PREFIX}{dependency_name}.tar.gz"
        if tar_path.exists():
            print(f"Skipping existing cache: '{tar_path}'")
        else:
-            # Python's `tarfile` is 10x slower than `tar` cli, so we use `tar`.
-            run(f'tar -czf "{tar_path}" -C "{install_dir}" "{dependency_name}"')
+            with tarfile.open(tar_path, "w:gz") as tar:
+                tar.add(dependency_path, arcname=dependency_path.name)
            print(f"Created cache: '{tar_path}'")


@@ -1,232 +0,0 @@
-#
-# /// script
-# # Latest Pyodide build env versions are listed here:
-# # https://pyodide.github.io/pyodide/api/pyodide-cross-build-environments.json
-# # https://github.com/pyodide/pyodide-build/blob/main/pyodide_build/xbuildenv_releases.py
-# requires-python = "==3.13.2"
-# dependencies = [
-#   "requests",
-#   "setuptools",
-# ]
-# ///
-"""
-Pack an IfcOpenShell WASM wheel using Pyodide build system.
-
-Usage:
-    uv run make_wheel.py           # Show this help
-    uv run make_wheel.py --build   # Build wheel
-    uv run make_wheel.py --clean   # Clean build artifacts and exit
-"""
-
-import argparse
-import os
-import re
-import shutil
-import subprocess
-import time
-import zipfile
-from pathlib import Path
-from urllib.parse import quote
-
-import requests
-
-# Get repo root (parent of this script's parent directory)
-REPO_ROOT = Path(__file__).parent.parent
-PYODIDE_DIR = REPO_ROOT / "pyodide"
-BUILD_DIR = PYODIDE_DIR / "build"
-
-# Hardcoded path (Windows packing workaround with --dev flag)
-PYODIDE_BUILD = Path(r"L:\Projects\Github\pyodide-build")
-
-# Wheel platform tag (from PYODIDE_EMSCRIPTEN_VERSION in pyodide-build/Makefile.envs)
-WHEEL_PLATFORM_TAG = "emscripten_4_0_9_wasm32"
-
-# Location where ifcopenshell will be extracted
-IFCOPENSHELL_DIR = PYODIDE_DIR / "ifcopenshell"
-
-
-class WheelBuilder:
-    @staticmethod
-    def extract_ifcopenshell_from_git(dst: Path) -> None:
-        """Extract ifcopenshell directory from git repo into destination."""
-        Tools.rmrf(dst)
-
-        print(f"Extracting ifcopenshell from git to {dst}...")
-        # Use git ls-files piped to git checkout-index to avoid copying
-        # untracked or ignored files from the actual repo.
-        ls_proc = subprocess.Popen(
-            ["git", "ls-files", "-z", "src/ifcopenshell-python/ifcopenshell"],
-            cwd=REPO_ROOT,
-            stdout=subprocess.PIPE,
-            stderr=subprocess.PIPE,
-        )
-        checkout_proc = subprocess.Popen(
-            ["git", "checkout-index", "-z", "--prefix", "pyodide/", "--stdin"],
-            cwd=REPO_ROOT,
-            stdin=ls_proc.stdout,
-            stdout=subprocess.PIPE,
-            stderr=subprocess.PIPE,
-        )
-        assert ls_proc.stdout is not None
-        ls_proc.stdout.close()
-        checkout_proc.communicate()
-
-        if checkout_proc.returncode != 0:
-            assert checkout_proc.stderr is not None
-            raise RuntimeError(f"Failed to extract: {checkout_proc.stderr.decode()}")
-
-        # Move src/ifcopenshell-python/ifcopenshell to ifcopenshell.
-        temp_src = PYODIDE_DIR / "src" / "ifcopenshell-python" / "ifcopenshell"
-        shutil.move(temp_src, dst)
-
-        # Clean up temporary src directory.
-        Tools.rmrf(PYODIDE_DIR / "src")
-
-        print("✓ Extracted ifcopenshell from git")
-
-    @staticmethod
-    def get_wheel_url(makefile_path: Path) -> str:
-        """Get S3 wheel URL based on BINARY_VERSION and BUILD_COMMIT from Makefile."""
-
-        def parse_makefile_vars() -> dict[str, str]:
-            content = makefile_path.read_text()
-            vars: dict[str, str] = {}
-            for match in re.finditer(r"^(BINARY_VERSION|BUILD_COMMIT):=(.+)$", content, re.MULTILINE):
-                vars[match.group(1)] = match.group(2).strip()
-            return vars
-
-        vars: dict[str, str] = parse_makefile_vars()
-        binary_version = vars["BINARY_VERSION"]
-        build_commit = vars["BUILD_COMMIT"]
-        filename = f"ifcopenshell-{binary_version}+{build_commit}-cp313-cp313-pyodide_2025_0_wasm32.whl"
-        encoded_filename = quote(filename, safe="")
-        return f"https://s3.amazonaws.com/ifcopenshell-builds/{encoded_filename}"
-
-    @staticmethod
-    def download_and_extract_so(url: str, build_dir: Path) -> tuple[Path, Path]:
-        """Download wheel from URL and extract .so and .py files."""
-        py_wrapper_filename = "ifcopenshell_wrapper.py"
-        build_dir.mkdir(parents=True, exist_ok=True)
-
-        wheel_path = build_dir / url.rsplit("/", 1)[-1]
-
-        if wheel_path.exists():
-            print(f"Using cached wheel: {wheel_path}")
-        else:
-            print(f"Downloading {url}...")
-            response = requests.get(url)
-            response.raise_for_status()
-            wheel_path.write_bytes(response.content)
-
-        print("Extracting _ifcopenshell_wrapper files...")
-        with zipfile.ZipFile(wheel_path) as zf:
-            so_files = [f for f in zf.namelist() if f.endswith(".so")]
-            py_files = [f for f in zf.namelist() if f.endswith(py_wrapper_filename)]
-
-            assert so_files, "No .so file found in wheel"
-            assert py_files, f"No {py_wrapper_filename} file found in wheel"
-
-            so_file = so_files[0]
-            so_dst = build_dir / Path(so_file).name
-            so_dst.write_bytes(zf.read(so_file))
-
-            py_file = py_files[0]
-            py_dst = build_dir / Path(py_file).name
-            py_dst.write_bytes(zf.read(py_file))
-
-        return so_dst, py_dst
-
-
-class Tools:
-    @staticmethod
-    def run(
-        cmd: list[str],
-        cwd: Path | None = None,
-    ) -> None:
-        print(f"$ {' '.join(cmd)}")
-        subprocess.check_call(cmd, cwd=cwd)
-
-    @staticmethod
-    def create_symlink(dst: Path, src: Path) -> None:
-        Tools.rmrf(dst)
-        dst.symlink_to(src)
-
-    @staticmethod
-    def rmrf(path: Path) -> None:
-        if path.exists() or path.is_symlink():
-            if path.is_dir() and not path.is_symlink():
-                shutil.rmtree(path)
-            else:
-                path.unlink()
-
-
-def clean() -> None:
-    """Remove build artifacts."""
-    paths_to_remove = (
-        BUILD_DIR,
-        PYODIDE_DIR / ".pyodide_build",
-        PYODIDE_DIR / "dist",
-        PYODIDE_DIR / "ifcopenshell.egg-info",
-        PYODIDE_DIR / "src",
-        IFCOPENSHELL_DIR,
-    )
-    for path in paths_to_remove:
-        if path.exists() or path.is_symlink():
-            print(f"Removing {path}...")
-            Tools.rmrf(path)
-    print("✓ Clean complete")
-
-
-def main() -> None:
-    parser = argparse.ArgumentParser(description=__doc__, add_help=False)
-    parser.add_argument("--build", action="store_true", help="Build the wheel")
-    parser.add_argument("--clean", action="store_true", help="Clean build folder")
-    parser.add_argument(
-        "--dev",
-        action="store_true",
-        help="Use editable pyodide-build from hardcoded path (Windows packing workaround)",
-    )
-    args = parser.parse_args()
-
-    if not args.build and not args.clean:
-        print(__doc__)
-        return
-
-    if args.clean:
-        clean()
-        return
-
-    start_time = time.time()
-
-    WheelBuilder.extract_ifcopenshell_from_git(IFCOPENSHELL_DIR)
-
-    print("Downloading and extracting _ifcopenshell_wrapper files...")
-    makefile = REPO_ROOT / "src" / "ifcopenshell-python" / "Makefile"
-    wheel_url = WheelBuilder.get_wheel_url(makefile)
-    so_file, py_file = WheelBuilder.download_and_extract_so(wheel_url, BUILD_DIR)
-
-    Tools.create_symlink(IFCOPENSHELL_DIR / Path(so_file).name, so_file)
-    Tools.create_symlink(IFCOPENSHELL_DIR / Path(py_file).name, py_file)
-
-    print("Installing pyodide-build...")
-    if args.dev:
-        Tools.run(["uv", "pip", "install", "-e", str(PYODIDE_BUILD)])
-    else:
-        Tools.run(["uv", "pip", "install", "pyodide-build"])
-
-    print("Building with pyodide...")
-    # Use --no-isolation due to pyodide-build Windows support issues:
-    # symlink_unisolated_packages fails with missing `_sysconfigdata_$(CPYTHON_ABI_FLAGS)_emscripten_wasm32-emscripten.py`.
-    # Hardcode platform name since pyodide doesn't yet support overriding wheel tags on Windows.
-    #
-    # Use `LEGACY_PLATFORM` since pyodide 0.34.1 introduced new tag for wheels `pyemscripten`,
-    # which doesn't work with pyodide itself yet - https://github.com/pyodide/pyodide/issues/6177.
-    os.environ["USE_LEGACY_PLATFORM"] = "1"
-    Tools.run(["pyodide", "build", f"-C--build-option=--plat-name={WHEEL_PLATFORM_TAG}"])
-
-    elapsed = time.time() - start_time
-    print(f"\n✓ Done! ({elapsed:.1f}s)")
-
-
-if __name__ == "__main__":
-    main()
@@ -2,16 +2,12 @@
 # because `tool.setuptools.ext-modules` is still experimental in pyproject.toml
 # and we need it to get the wheel suffix right.
 import os
-import sys
 from pathlib import Path

 import tomllib
 from setuptools import Extension, find_packages, setup
-from setuptools.command.build_ext import build_ext

-# Detect repo folder: if setup.py is in pyodide folder, go to parent
-SETUP_DIR = Path(__file__).parent
-REPO_FOLDER = SETUP_DIR.parent if SETUP_DIR.name == "pyodide" else SETUP_DIR
+REPO_FOLDER = Path(__file__).parent


 def get_version() -> str:
@@ -29,39 +25,6 @@ def get_dependencies() -> list[str]:
    return dependencies


-class UnixBuildExt(build_ext):
-    """Customize ``build_ext`` to support packing on Windows."""
-
-    def finalize_options(self):
-        from distutils import sysconfig
-
-        super().finalize_options()
-        if sys.platform == "win32":
-            self.compiler = "unix"
-
-            # Configure sysconfig for Windows builds
-            # CCSHARED is the only variable that's not customizable with env vars.
-            # Basically avoiding this:
-            # File ".venv\Lib\site-packages\setuptools\_distutils\sysconfig.py", line 366, in customize_compiler
-            #     compiler_so=cc_cmd + ' ' + ccshared,
-            #                 ~~~~~~~~~~~~~^~~~~~~~~~
-            # TypeError: can only concatenate str (not "NoneType") to str
-            sysconfig.get_config_vars()  # Initialize config cache
-            if sysconfig._config_vars.get("CCSHARED") is None:
-                sysconfig._config_vars["CCSHARED"] = "-fPIC"
-            # Override compiler type before it's instantiated
-
-        # Set Emscripten compiler environment variables
-        os.environ["CC"] = "emcc"
-        os.environ["CXX"] = "em++"
-        os.environ["CFLAGS"] = ""
-        os.environ["CXXFLAGS"] = ""
-        os.environ["LDSHARED"] = "emcc -shared"
-        os.environ["AR"] = "emar"
-        os.environ["ARFLAGS"] = "rcs"
-        os.environ["SETUPTOOLS_EXT_SUFFIX"] = ".cpython-313-wasm32-emscripten.so"
-
-
 setup(
    name="ifcopenshell",
    version=get_version(),
@@ -81,5 +44,4 @@ setup(
    },
    # Has to provide extension to get the correct wheel suffix.
    ext_modules=[Extension("ifcopenshell._ifcopenshell_wrapper", sources=[])],
-    cmdclass={"build_ext": UnixBuildExt},
 )
@@ -2,11 +2,10 @@
 name = "IfcOpenShell"
 version = "0.0.0"
 dependencies = [
-    "black==26.3.1",
-    "ruff==0.15.12",
+    "black==26.1.0",
+    "ruff==0.15.0",
    "poethepoet",
-    "ty==0.0.32",
-    "gersemi==0.26.1",
+    "gersemi==0.25.4",
 ]

 [tool.black]
@@ -16,8 +15,7 @@ include = '''
    |nix/.*.pyi?$
 '''
 extend-exclude = '''
-    src/ifcopenshell-python/ifcopenshell/express/rules/*
-    |src/ifcopenshell-python/ifcopenshell/express/express_parser.py
+    src/ifcopenshell-python/ifcopenshell/express/*
    |src/ifcopenshell-python/ifcopenshell/mvd/*
    |src/ifcopenshell-python/ifcopenshell/simple_spf/*
    |src/ifc2ca/templates/*
@@ -29,15 +27,6 @@ extend-exclude = '''
 reportInvalidTypeForm = false
 disableBytesTypePromotions = true
 reportUnnecessaryTypeIgnoreComment = true
-reportRedeclaration = false
-# Ignore warnings from bpy stubs missing actual source files.
-reportMissingModuleSource = false
-# Pylance doesn't respect gitignore, so we have to exclude files manually here
-# to avoid VS Code slowing down.
-# https://github.com/microsoft/pylance-release/issues/5169
-exclude = [
-    "_deps",
-]

 # Define here general ruff settings,
 # then they will be inherited by projects' .toml files.
@@ -82,184 +71,15 @@ ignore = [
    "UP032", # Replace .format with f-string
 ]

-[tool.ty.rules]
-all = "ignore"
-
-# Structural rules (no deep type inference needed, easier to adapt).
-abstract-method-in-final-class = "error"
-ambiguous-protocol-member = "error"
-conflicting-declarations = "error"
-conflicting-metaclass = "error"
-cyclic-class-definition = "error"
-cyclic-type-alias-definition = "error"
-dataclass-field-order = "error"
-duplicate-base = "error"
-duplicate-kw-only = "error"
-empty-body = "error"
-escape-character-in-forward-annotation = "error"
-final-on-non-method = "error"
-final-without-value = "error"
-ignore-comment-unknown-rule = "error"
-implicit-concatenated-string-type-annotation = "error"
-inconsistent-mro = "error"
-ineffective-final = "error"
-instance-layout-conflict = "error"
-invalid-dataclass = "error"
-invalid-dataclass-override = "error"
-invalid-enum-member-annotation = "error"
-invalid-explicit-override = "error"
-invalid-frozen-dataclass-subclass = "error"
-invalid-generic-class = "error"
-invalid-generic-enum = "error"
-invalid-ignore-comment = "error"
-invalid-legacy-positional-parameter = "error"
-invalid-legacy-type-variable = "error"
-invalid-named-tuple = "error"
-invalid-newtype = "error"
-invalid-overload = "error"
-invalid-paramspec = "error"
-invalid-protocol = "error"
-invalid-syntax-in-forward-annotation = "error"
-invalid-total-ordering = "error"
-invalid-type-alias-type = "error"
-invalid-type-checking-constant = "error"
-invalid-type-guard-definition = "error"
-invalid-type-variable-bound = "error"
-invalid-type-variable-constraints = "error"
-invalid-typed-dict-header = "error"
-invalid-typed-dict-statement = "error"
-override-of-final-method = "error"
-override-of-final-variable = "error"
-possibly-missing-import = "error"
-possibly-missing-submodule = "error"
-# Has false positives due to ty walrus operator bug.
-# possibly-unresolved-reference = "error"
-raw-string-type-annotation = "error"
-redundant-final-classvar = "error"
-shadowed-type-variable = "error"
-subclass-of-final-class = "error"
-super-call-in-named-tuple-method = "error"
-unavailable-implicit-super-arguments = "error"
-unbound-type-variable = "error"
-undefined-reveal = "error"
-unresolved-global = "error"
-unresolved-import = "error"
-unresolved-reference = "error"
-unused-ignore-comment = "error"
-unused-type-ignore-comment = "error"
-useless-overload-body = "error"
-
-# Non-structural rules:
-deprecated = "error"
-zero-stepsize-in-slice = "error"
-possibly-missing-implicit-call = "error"
-unused-awaitable = "error"
-
-# Function argument rules:
-# Conflicts with `ifcopenshell.api.geometry.add_representation` type of callables we have, confusing them with a module.
-# call-non-callable = "error"
-conflicting-argument-forms = "error"
-# Too many false positives.
-# invalid-argument-type = "error"
-missing-argument = "error"
-parameter-already-assigned = "error"
-positional-only-parameter-as-kwarg = "error"
-too-many-positional-arguments = "error"
-unknown-argument = "error"
-# Has a lot of warnings due to current ty walrus operator issues.
-# index-out-of-bounds = "error"
-# unresolved-attribute = "error"
-
-[tool.ty.environment]
-extra-paths = [
-    "src/bonsai/external_dependencies",
-    "src/bcf",
-    "src/bsdd",
-    "src/bonsai",
-    "src/ifc4d",
-    "src/ifc5d",
-    "src/ifccityjson",
-    "src/ifcclash",
-    "src/ifccsv",
-    "src/ifcdiff",
-    "src/ifcfm",
-    "src/ifcopenshell-python",
-    "src/ifcpatch",
-    "src/ifctester",
-]
-
-[tool.ty.src]
-exclude = [
-    # External dependencies cloned for type checking only.
-    "src/bonsai/external_dependencies",
-    # Submodules.
-    "src/ifcopenshell-python/ifcopenshell/express",
-    "src/ifcopenshell-python/ifcopenshell/mvd",
-    "src/ifcopenshell-python/ifcopenshell/simple_spf",
-    "src/svgfill/3rdparty",
-    # Has special dependencies.
-    "src/ifcopenshell-python/ifcopenshell/geom/app.py",
-    "src/ifcopenshell-python/ifcopenshell/geom/code_editor_pane.py",
-    "src/ifcopenshell-python/ifcopenshell/util/doc.py",
-    "src/ifcopenshell-python/ifcopenshell/util/generate_pset_templates.py",
-    "src/ifcopenshell-python/ifcopenshell/util/ifc4x3dev_scrape_data_for_docs.py",
-    # Too esoteric.
-    "src/ifcopenshell-python/ifcopenshell/ifcopenshell_wrapper.py",
-    "src/ifc2ca/templates",
-    # Too dev.
-    "src/bcf/setup.py",
-    "src/bsdd/yml_to_classes.py",
-    # Deprecated.
-    "src/ifc2ca/_deprecated",
-]
-
 [tool.poe.tasks]

-ruff = "ruff check"
+ruff-main = "ruff check --extend-exclude nix/build-all.py"
+# It's actually Python 3.6, but ruff only supports 3.7+, but it should do.
+ruff-old = "ruff check nix/build-all.py --target-version py37"
+ruff.sequence = ["ruff-main", "ruff-old"]

 black = "black ."

-ty.sequence = ["ty-bonsai", "ty-ios"]
-ty.help = "Run ty type checker. Requires ty-venv to be set up first."
-ty-bonsai = "ty check src/bonsai --python=src/bonsai/.venv"
-
-ty-venv.sequence = ["bonsai-deps", "ty-venv-bonsai", "ty-venv-ios"]
-
-ty-venv-bonsai.sequence = [
-    {cmd = "uv venv src/bonsai/.venv --python=3.11 --allow-existing"},
-    {cmd = "uv pip install -r src/bonsai/type-check-requirements.txt --python=src/bonsai/.venv"},
-]
-
-ty-venv-ios.sequence = [
-    {cmd = "uv venv src/ifcopenshell-python/.venv --python=3.10 --allow-existing"},
-    {cmd = "uv pip install -r src/ifcopenshell-python/type-check-requirements.txt --python=src/ifcopenshell-python/.venv"},
-]
-
-format.sequence = ["black", "ruff"]
+format.sequence = ["black", "ruff-main", "ruff-old"]

 cmake-format = "gersemi . --in-place"
-
-[tool.poe.tasks.ty-ios]
-# --ignore unresolved-reference: walrus operator false positives in ty.
-cmd = """
-    ty check
-    src/bcf
-    src/bsdd
-    src/ifc2ca
-    src/ifc4d
-    src/ifc5d
-    src/ifccityjson
-    src/ifcclash
-    src/ifccsv
-    src/ifcdiff
-    src/ifcfm
-    src/ifcopenshell-python
-    src/ifcpatch
-    src/ifctester
-    --python=src/ifcopenshell-python/.venv
-    --ignore unresolved-reference
-"""
-
-[tool.poe.tasks.bonsai-deps]
-help = "Clone or update Bonsai external dependencies."
-cmd = "python src/bonsai/scripts/bonsai_deps.py"
@@ -34,8 +34,8 @@ client_id, client_secret = "", ""
 class OAuthReceiver(http.server.BaseHTTPRequestHandler):
    def do_GET(self) -> None:
        query = urllib.parse.parse_qs(urllib.parse.urlparse(self.path).query)
-        self.server.auth_code = query.get("code", [""])[0]
-        self.server.auth_state = query.get("state", [""])[0]
+        self.server.auth_code = query.get("code", [""])[0]  # type:ignore
+        self.server.auth_state = query.get("state", [""])[0]  # type:ignore
        self.send_response(200)
        self.send_header("Content-type", "text/plain")
        self.end_headers()
@@ -255,7 +255,7 @@ class BcfClient:
        project_id: str = "",
        topics: str = "",
        query_string: Optional[str] = None,
-    ) -> None:
+    ) -> list[Any]:
        # return self.get(
        #     f"/projects/{project_id}/topics",
        #     {
@@ -173,17 +173,16 @@ def assert_viewpoints(viewpoints):
    assert viewpoint.snapshot is not None


-# TODO: dead code - ported from v2 but buildingSMART/BCF-XML has no v3 MaximumInformation.bcf equivalent
 def assert_second_viewpoint(viewpoint, expected_selection, expected_exception, expected_coloring) -> None:
    expected_vp = mdl.VisualizationInfo(
        components=mdl.Components(
+            view_setup_hints=mdl.ViewSetupHints(
+                spaces_visible=False,
+                space_boundaries_visible=False,
+                openings_visible=False,
+            ),
            selection=expected_selection,
            visibility=mdl.ComponentVisibility(
-                view_setup_hints=mdl.ViewSetupHints(
-                    spaces_visible=False,
-                    space_boundaries_visible=False,
-                    openings_visible=False,
-                ),
                exceptions=expected_exception,
                default_visibility=False,
            ),
@@ -194,7 +193,6 @@ def assert_second_viewpoint(viewpoint, expected_selection, expected_exception, e
            camera_direction=mdl.Direction(x=0.6745243072509766, y=-0.6599355936050415, z=-0.33091068267822266),
            camera_up_vector=mdl.Direction(x=0.2271970510482788, y=-0.24091780185699463, z=0.9435783624649048),
            field_of_view=60,
-            aspect_ratio=1.0,
        ),
        guid="21dd4807-e9af-439e-a980-04d913a6b1ce",
    )
@@ -202,17 +200,16 @@ def assert_second_viewpoint(viewpoint, expected_selection, expected_exception, e
    assert viewpoint.snapshot is not None


-# TODO: dead code - ported from v2 but buildingSMART/BCF-XML has no v3 MaximumInformation.bcf equivalent
 def assert_third_viewpoint(viewpoint, expected_selection, expected_exception, expected_coloring) -> None:
    expected_vp = mdl.VisualizationInfo(
        components=mdl.Components(
+            view_setup_hints=mdl.ViewSetupHints(
+                spaces_visible=False,
+                space_boundaries_visible=False,
+                openings_visible=True,
+            ),
            selection=expected_selection,
            visibility=mdl.ComponentVisibility(
-                view_setup_hints=mdl.ViewSetupHints(
-                    spaces_visible=False,
-                    space_boundaries_visible=False,
-                    openings_visible=True,
-                ),
                exceptions=expected_exception,
                default_visibility=True,
            ),
@@ -223,7 +220,6 @@ def assert_third_viewpoint(viewpoint, expected_selection, expected_exception, ex
            camera_direction=mdl.Direction(x=0.7232745289802551, y=0.5967116951942444, z=-0.3475759029388428),
            camera_up_vector=mdl.Direction(x=0.27662187814712524, y=0.21082592010498047, z=0.937567412853241),
            field_of_view=60,
-            aspect_ratio=1.0,
        ),
        guid="81daa431-bf01-4a49-80a2-1ab07c177717",
    )
@@ -17,8 +17,8 @@
 # along with Bonsai.  If not, see <http://www.gnu.org/licenses/>.

 SHELL := sh
-PYTHON:=python3
-PIP:=pip3
+PYTHON:=python3.11
+PIP:=pip3.11
 PATCH:=patch
 SED:=sed -i
 VENV_ACTIVATE:=bin/activate
@@ -48,7 +48,6 @@ VERSION_PATCH:=$(shell cat '../../VERSION' | cut -d '.' -f 3)
 VERSION_DATE:=$(shell date '+%y%m%d')
 LAST_COMMIT_HASH:=$(shell git rev-parse HEAD)
 LAST_COMMIT_DATE:=$(shell git show -s --format=%cI)
-LAST_GIT_BRANCH:=$(shell git rev-parse --abbrev-ref HEAD)
 PYPI_IMP:=cp

 ifdef PYVERSION
@@ -64,7 +63,6 @@ PYNUMBER:=3$(PYMINOR)
 PYPI_VERSION:=3.$(PYMINOR)
 endif # def PYVERSION

-IFCMERGE_VERSION:=2026-04-07

 ifdef PLATFORM
 SUPPORTED_PLATFORMS := linux macos macosm1 win
@@ -106,7 +104,7 @@ endif
 endif # def PLATFORM

 # Current build commit hash.
-OLD:=1c5b825
+OLD:=e8eb5e4
 .PHONY: bump
 bump:
 ifndef NEW
@@ -192,11 +190,7 @@ endif
 	# Provides networkx graph analysis for project dependency calculations
 	cd build && . env/$(VENV_ACTIVATE) && $(PIP) download networkx --dest=./wheels
 	# Required by IFCDiff
-	# Pinned <9.1: deepdiff 9.1.0 adds cachebox<6,>=5.2 which only ships macOS x86_64
-	# wheels for macosx_10_12+ and is incompatible with our macos py311 --platform
-	# macosx_10_10_x86_64 target. Revisit once the macos py311 platform tag is bumped
-	# to 10_13 (matching py312/py313).
-	cd build && . env/$(VENV_ACTIVATE) && $(PIP) download "deepdiff<9.1" --dest=./wheels
+	cd build && . env/$(VENV_ACTIVATE) && $(PIP) download deepdiff --dest=./wheels
 	# Required by IFCCSV and ifcopenshell.util.selector
 	cd build && . env/$(VENV_ACTIVATE) && $(PIP) download lark --dest=./wheels
 	# Required by IFC4D
@@ -229,8 +223,19 @@ endif
 	cd build/bonsai/bim/data/gantt/ && wget https://raw.githubusercontent.com/jsGanttImproved/jsgantt-improved/master/dist/jsgantt.css

 	# Provides IFCJSON functionality
-	# TODO: Use official repo, once https://github.com/IFCJSON-Team/IFC2JSON_python/pull/8 is merged.
-	cd build && . env/$(VENV_ACTIVATE) && $(PYTHON) -m pip wheel "git+https://github.com/Andrej730/IFC2JSON_python.git@pyproject_toml" --no-deps -w wheels/
+	cd build && wget -O ifc2json.zip https://github.com/IFCJSON-Team/IFC2JSON_python/archive/refs/heads/master.zip
+	cd build && unzip ifc2json.zip && rm ifc2json.zip
+	# IFCJSON doesn't have pyproject.toml, so we use python command.
+	cd build && . env/$(VENV_ACTIVATE) && cd IFC2JSON_python-*/file_converters && \
+		$(PYTHON) -c "from setuptools import setup; \
+		setup( \
+			name='ifcjson', \
+			version='0.0.1', \
+			author='Jan Brouwer', \
+			author_email='jan@brewsky.nl', \
+			packages=['ifcjson'], \
+		)" bdist_wheel
+	cp -r build/IFC2JSON_python-*/file_converters/dist/*.whl build/wheels/

 	# Brickschema requires pkg_resources which is provided by Blender.
 	# Provides Brickschema functionality
@@ -238,16 +243,26 @@ endif
 	cd build/bonsai/bim/data/brick/ && wget https://github.com/BrickSchema/Brick/releases/download/nightly/Brick.ttl

 	# Required for hipped roof generation
-	cd build && . env/$(VENV_ACTIVATE) && $(PYTHON) -m pip wheel "git+https://github.com/prochitecture/bpypolyskel" --no-deps -w wheels/
+	cd build && wget https://github.com/prochitecture/bpypolyskel/archive/refs/heads/master.zip
+	cd build && unzip master.zip && rm master.zip
+	cd build && . env/$(VENV_ACTIVATE) && cd bpypolyskel-master && \
+		$(PYTHON) -c "from setuptools import setup; \
+		setup( \
+			name='bpypolyskel', \
+			version='0.0.0', \
+			packages=['bpypolyskel'], \
+		)" bdist_wheel
+	cp -r build/bpypolyskel-master/dist/*.whl build/wheels/

 	# folder for executable files
 	mkdir -p build/bonsai/libs/bin

 	# required for three-way git merging
 ifeq ($(PLATFORM), win)
-	cd build/bonsai/libs/bin && wget https://github.com/brunopostle/ifcmerge/releases/download/$(IFCMERGE_VERSION)/ifcmerge.exe
+	cd build/bonsai/libs/bin && wget https://github.com/brunopostle/ifcmerge/releases/download/2025-01-26/ifcmerge.zip
+	cd build/bonsai/libs/bin && unzip ifcmerge.zip && rm ifcmerge.zip
 else
-	cd build/bonsai/libs/bin && wget https://raw.githubusercontent.com/brunopostle/ifcmerge/$(IFCMERGE_VERSION)/ifcmerge && chmod +x ifcmerge
+	cd build/bonsai/libs/bin && wget https://raw.githubusercontent.com/brunopostle/ifcmerge/main/ifcmerge && chmod +x ifcmerge
 endif

 	# Generate translations module for Bonsai build
@@ -266,7 +281,6 @@ else
 	$(SED) "s/0.0.0/$(VERSION)-alpha$(VERSION_DATE)/" build/bonsai/blender_manifest.toml
 	$(SED) "s/8888888/$(LAST_COMMIT_HASH)/" build/bonsai/__init__.py
 	$(SED) "s/9999999/$(LAST_COMMIT_DATE)/" build/bonsai/__init__.py
-	$(SED) "s/7777777/$(LAST_GIT_BRANCH)/" build/bonsai/__init__.py
 	$(SED) 's/version = "0.0.0"/version = "$(VERSION)-alpha$(VERSION_DATE)"/' build/pyproject.toml
 endif

@@ -357,13 +371,9 @@ test-tool:
 ifndef MODULE
 	pytest test/tool
 else
-	pytest test/tool/test_$(MODULE).py --maxfail=1
+	pytest test/tool/test_$(MODULE).py
 endif

-.PHONY: test-modal
-test-modal:
-	blender --enable-event-simulate --python test/modal/test_modal.py --window-maximized
-
 # Reregistering test is not added to the standard test suite because during unregister
 # Blender removes all Bonsai dependencies breaking dev-environment symlinks.
 .PHONY: test-reregister
@@ -34,16 +34,17 @@ IN_PACKAGE = __package__ == "bonsai"

 import platform
 import re
+import shutil
 import traceback
+import uuid
 import webbrowser
 from collections import deque
 from collections.abc import Generator
 from pathlib import Path
-from typing import TYPE_CHECKING, Any, Union
+from typing import Any, Union

 last_commit_hash = "8888888"
 last_commit_date = "9999999"
-last_git_branch = "7777777"


 def get_last_commit_hash() -> Union[str, None]:
@@ -61,15 +62,6 @@ def get_last_commit_date() -> Union[str, None]:
    return last_commit_date


-def get_git_branch() -> Union[str, None]:
-    # Using this weird way to write 7777777,
-    # so makefile won't accidentally replace it here
-    # we'll be able to distinguish branch from placeholder value.
-    if last_git_branch == str(7_777777):
-        return None
-    return last_git_branch
-
-
 # Accessed from bonsai extension:
 bbim_semver: dict[str, Any] = {}

@@ -81,21 +73,6 @@ REINSTALLED_BBIM_VERSION: Union[str, None] = None
 REGISTERED_BBIM_PACKAGE: str


-def is_registering() -> bool:
-    """
-    During addon registration ``bpy.context`` and ``bpy.data`` are restricted
-    and you can't access their properties.
-    """
-    import bpy
-
-    if TYPE_CHECKING or bpy.app.version >= (5, 0, 0):
-        import _bpy_restrict_state as bpy_restrict_state
-    else:
-        import bpy_restrict_state
-
-    return isinstance(bpy.context, bpy_restrict_state._RestrictContext)
-
-
 def initialize_bbim_semver():
    """Initialize `bbim_semver` dictionary.

@@ -117,13 +94,9 @@ def initialize_bbim_semver():
    bbim_semver["version"] = version_str


-def get_debug_info(*, bonsai_failed_to_load: bool = False) -> dict[str, Any]:
-    import bpy
-
+def get_debug_info():
    bbim_version = bbim_semver["version"]

-    # All data here should be gettable even in case of `bpy.context` and `bpy.data` being inaccessible
-    # and Bonsai completely failed to load.
    debug_info = {
        "os": platform.system(),
        "os_version": platform.version(),
@@ -135,19 +108,10 @@ def get_debug_info(*, bonsai_failed_to_load: bool = False) -> dict[str, Any]:
        "bonsai_version": bbim_version,
        "bonsai_commit_hash": get_last_commit_hash(),
        "bonsai_commit_date": get_last_commit_date(),
-        "bonsai_git_branch": get_git_branch(),
        "last_actions": last_actions,
        "last_error": last_error,
    }

-    # Can't access blend data or context during registration.
-    # If Bonsai failed to load we cannot safely access any of its properties or its tools
-    # as they may not be registered yet and acessing them will break Bonsai Fatal Error UI.
-    if is_registering() or bonsai_failed_to_load:
-        return debug_info
-
-    import bonsai.tool as tool
-
    # Add .blend file save information
    if bpy.data.is_saved:
        debug_info["blend_file_path"] = bpy.data.filepath
@@ -168,7 +132,7 @@ def get_debug_info(*, bonsai_failed_to_load: bool = False) -> dict[str, Any]:
    return debug_info


-def format_debug_info(info: dict[str, Any]) -> str:
+def format_debug_info(info: dict):
    last_actions = ""
    for action in info["last_actions"]:
        last_actions += f"\n# {action['type']}: {action['name']}"
@@ -186,10 +150,33 @@ def get_binaries(path: Path) -> Generator[Path, None, None]:
    yield from path.glob("**/*.so")


-# TODO: remove before 0.8.6 release.
-# On Windows issues with removing extensions were resolved in Blender 4.3,
-# but we removed our workaround that was producing some junk only in 0.8.5 release.
-# So we're temporarily keeping the part that's cleaning up outputs from previous releases.
+def safe_link_dlls() -> None:
+    # Blender 4.2+ has a problem on Windows for disabling/enabling/reinstalling extensions
+    # with loaded binary dependencies (on Windows you can't remove a binary if it's loaded by some program).
+    # To avoid this issue we temporary hard link dlls to our temp directory on unregister()
+    # (unregister is executed before Blender will try to uninstall dependencies and the issue will arise).
+    # Then, Blender won't have a problem unlinking unloaded dlls as they are still linked somewhere.
+    # On register() we clean up our temp directory with binaries.
+    #
+    # TODO: If user uninstalls Bonsai to never use it again, temporary directory won't be cleared.
+    #
+    # See: https://projects.blender.org/blender/blender/issues/125049
+    import bpy
+
+    ext_path = Path(bpy.utils.user_resource("EXTENSIONS"))
+    local_path = ext_path / ".local"
+
+    # We use random hash subfolder as user may try to enable/disable addon multiple times.
+    random_hash = uuid.uuid4().hex[:8]
+    temp_local = ext_path / ".local_temp" / random_hash
+    temp_local.mkdir(parents=True)
+
+    for filepath in get_binaries(local_path):
+        dest_path = temp_local / filepath.relative_to(local_path)
+        dest_path.parent.mkdir(exist_ok=True, parents=True)
+        os.link(filepath, dest_path)
+
+
 def clean_up_dlls_safe_links() -> None:
    import bpy

@@ -219,8 +206,6 @@ def clean_up_dlls_safe_links() -> None:


 if IN_BLENDER:
-    import bpy
-
    initialize_bbim_semver()

    def get_binary_info() -> dict[str, Any]:
@@ -262,12 +247,10 @@ if IN_BLENDER:

            global last_commit_hash
            global last_commit_date
-            global last_git_branch
            path = Path(__file__).resolve().parent
            repo = git.Repo(str(path), search_parent_directories=True)
            last_commit_hash = repo.head.object.hexsha
            last_commit_date = repo.head.object.committed_datetime.isoformat()
-            last_git_branch = repo.active_branch.name
        except:
            pass

@@ -314,6 +297,9 @@ if IN_BLENDER:
            purge_cache()

        def unregister():
+            if platform.system() == "Windows":
+                safe_link_dlls()
+
            import bonsai.bim

            bonsai.bim.unregister()
@@ -348,7 +334,7 @@ if IN_BLENDER:
            bl_context = "scene"

            def draw(self, context):
-                info = get_debug_info(bonsai_failed_to_load=True)
+                info = get_debug_info()

                layout = self.layout
                layout.alert = True
@@ -424,7 +410,7 @@ if IN_BLENDER:
            bl_description = "Copies debugging information to your clipboard for use in bugreports"

            def execute(self, context):
-                info = get_debug_info(bonsai_failed_to_load=True)
+                info = get_debug_info()
                info.update(get_binary_info())
                info = format_debug_info(info)
                context.window_manager.clipboard = info
@@ -15,8 +15,6 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with Bonsai.  If not, see <http://www.gnu.org/licenses/>.
-#
-# This file was modified with the assistance of an AI coding tool.

 import importlib
 import os
@@ -27,7 +25,7 @@ import bpy
 import bpy.utils.previews
 from bpy_extras.io_utils import ExportHelper, ImportHelper

-from . import handler, operator, parametric_lifecycle, prop, ui
+from . import handler, operator, prop, ui

 try:
    from bonsai.translations import translations_dict
@@ -159,6 +157,9 @@ classes = [
    ui.BIM_UL_tab_visibilities,
    ui.BIM_UL_panel_visibilities,
    ui.DocPreferences,
+    ui.GizmoPreferencesDoor,  # Register before GizmoPreferences
+    ui.GizmoPreferencesWindow,  # Register before GizmoPreferences
+    ui.GizmoPreferencesStair,  # Register before GizmoPreferences
    ui.GizmoPreferences,
    # ui.DefaultParameters and ui.BIM_ADDON_preferences are registered separately after modules (see late_classes below)
    # Tabs panel
@@ -267,8 +268,6 @@ def register():
    bpy.app.handlers.depsgraph_update_post.append(on_register)
    bpy.app.handlers.undo_post.append(handler.undo_post)
    bpy.app.handlers.redo_post.append(handler.redo_post)
-    # Must follow the two appends above so regenerators see restored IFC state.
-    parametric_lifecycle.install_parametric_lifecycle_handlers()
    bpy.app.handlers.load_post.append(handler.load_post)
    bpy.app.handlers.load_post.append(handler.loadIfcStore)
    bpy.types.Scene.BIMProperties = bpy.props.PointerProperty(type=prop.BIMProperties)
@@ -326,7 +325,6 @@ def unregister():

    unregister_classes(classes)

-    parametric_lifecycle.uninstall_parametric_lifecycle_handlers()
    bpy.app.handlers.load_post.remove(handler.load_post)
    bpy.app.handlers.load_post.remove(handler.loadIfcStore)
    del bpy.types.Scene.BIMProperties
@@ -1,96 +0,0 @@
-Copyright (c) 2011-2012, Nikita Volchenkov (<nikitavolchenkov@gmail.com>),
-with Reserved Font Name OpenGost Type B.
-
-Copyright (c) 2012, Valek Filippov (<frob@gnome.org>).
-
-This Font Software is licensed under the SIL Open Font License, Version 1.1.
-This license is copied below, and is also available with a FAQ at:
-http://scripts.sil.org/OFL
-
-
-----------------------------------------------------------
-SIL OPEN FONT LICENSE Version 1.1 - 26 February 2007
-----------------------------------------------------------
-
-PREAMBLE
-The goals of the Open Font License (OFL) are to stimulate worldwide
-development of collaborative font projects, to support the font creation
-efforts of academic and linguistic communities, and to provide a free and
-open framework in which fonts may be shared and improved in partnership
-with others.
-
-The OFL allows the licensed fonts to be used, studied, modified and
-redistributed freely as long as they are not sold by themselves. The
-fonts, including any derivative works, can be bundled, embedded, 
-redistributed and/or sold with any software provided that any reserved
-names are not used by derivative works. The fonts and derivatives,
-however, cannot be released under any other type of license. The
-requirement for fonts to remain under this license does not apply
-to any document created using the fonts or their derivatives.
-
-DEFINITIONS
-"Font Software" refers to the set of files released by the Copyright
-Holder(s) under this license and clearly marked as such. This may
-include source files, build scripts and documentation.
-
-"Reserved Font Name" refers to any names specified as such after the
-copyright statement(s).
-
-"Original Version" refers to the collection of Font Software components as
-distributed by the Copyright Holder(s).
-
-"Modified Version" refers to any derivative made by adding to, deleting,
-or substituting -- in part or in whole -- any of the components of the
-Original Version, by changing formats or by porting the Font Software to a
-new environment.
-
-"Author" refers to any designer, engineer, programmer, technical
-writer or other person who contributed to the Font Software.
-
-PERMISSION & CONDITIONS
-Permission is hereby granted, free of charge, to any person obtaining
-a copy of the Font Software, to use, study, copy, merge, embed, modify,
-redistribute, and sell modified and unmodified copies of the Font
-Software, subject to the following conditions:
-
-1) Neither the Font Software nor any of its individual components,
-in Original or Modified Versions, may be sold by itself.
-
-2) Original or Modified Versions of the Font Software may be bundled,
-redistributed and/or sold with any software, provided that each copy
-contains the above copyright notice and this license. These can be
-included either as stand-alone text files, human-readable headers or
-in the appropriate machine-readable metadata fields within text or
-binary files as long as those fields can be easily viewed by the user.
-
-3) No Modified Version of the Font Software may use the Reserved Font
-Name(s) unless explicit written permission is granted by the corresponding
-Copyright Holder. This restriction only applies to the primary font name as
-presented to the users.
-
-4) The name(s) of the Copyright Holder(s) or the Author(s) of the Font
-Software shall not be used to promote, endorse or advertise any
-Modified Version, except to acknowledge the contribution(s) of the
-Copyright Holder(s) and the Author(s) or with their explicit written
-permission.
-
-5) The Font Software, modified or unmodified, in part or in whole,
-must be distributed entirely under this license, and must not be
-distributed under any other license. The requirement for fonts to
-remain under this license does not apply to any document created
-using the Font Software.
-
-TERMINATION
-This license becomes null and void if any of the above conditions are
-not met.
-
-DISCLAIMER
-THE FONT SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF
-MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
-OF COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL THE
-COPYRIGHT HOLDER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
-INCLUDING ANY GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL
-DAMAGES, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
-FROM, OUT OF THE USE OR INABILITY TO USE THE FONT SOFTWARE OR FROM
-OTHER DEALINGS IN THE FONT SOFTWARE.
@@ -1,119 +0,0 @@
-# Bonsai - OpenBIM Blender Add-on
-# Copyright (C) 2026
-#
-# This file is part of Bonsai.
-#
-# Bonsai is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# Bonsai is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with Bonsai.  If not, see <http://www.gnu.org/licenses/>.
-#
-# This file was generated with the assistance of an AI coding tool.
-
-"""Shared structural-change cache token for POST_VIEW decorators.
-
-Decorators include the token in their cache key and rebuild on bump."""
-
-from __future__ import annotations
-
-from collections.abc import Callable
-from typing import Any, Generic, TypeVar
-
-import bpy
-
-T = TypeVar("T")
-
-_DECORATOR_CACHE_TOKEN = 0
-
-
-def get_decorator_cache_token() -> int:
-    return _DECORATOR_CACHE_TOKEN
-
-
-def reset_for_test() -> None:
-    """Test-only: reset the cache token to 0 so bump-count assertions are stable."""
-    global _DECORATOR_CACHE_TOKEN
-    _DECORATOR_CACHE_TOKEN = 0
-
-
-@bpy.app.handlers.persistent
-def _bump_decorator_cache_token(*args: Any) -> None:
-    """depsgraph_update_post fires every animation frame and every driver
-    evaluation, even when no IFC-relevant ID block changed. Unconditional
-    bumping defeats the cache: an animated scene rebuilds every decorator
-    every viewport tick. Gate the depsgraph path on Object geometry or
-    transform updates; undo / redo / load have no depsgraph and always
-    invalidate.
-
-    Coverage assumption: ``TokenCache`` consumers key on Object identity
-    (depsgraph updates whose ``id`` is a ``bpy.types.Object``). Mesh /
-    Material / NodeTree updates that don't surface as an Object change
-    do NOT invalidate the token — a decorator that caches material- or
-    mesh-data-derived state must gate on a separate signal."""
-    global _DECORATOR_CACHE_TOKEN
-    if len(args) >= 2:
-        depsgraph = args[1]
-        if depsgraph is not None and hasattr(depsgraph, "updates"):
-            if not any(
-                (getattr(u, "is_updated_geometry", False) or getattr(u, "is_updated_transform", False))
-                and hasattr(u, "id")
-                and isinstance(u.id, bpy.types.Object)
-                for u in depsgraph.updates
-            ):
-                return
-    _DECORATOR_CACHE_TOKEN += 1
-
-
-def _hooks() -> tuple[Any, ...]:
-    return (
-        bpy.app.handlers.depsgraph_update_post,
-        bpy.app.handlers.undo_post,
-        bpy.app.handlers.redo_post,
-        bpy.app.handlers.load_post,
-    )
-
-
-def install_decorator_cache_handlers() -> None:
-    """Append the bump handler to each hook; idempotent."""
-    for hook in _hooks():
-        if _bump_decorator_cache_token not in hook:
-            hook.append(_bump_decorator_cache_token)
-
-
-def uninstall_decorator_cache_handlers() -> None:
-    for hook in _hooks():
-        try:
-            hook.remove(_bump_decorator_cache_token)
-        except ValueError:
-            pass
-
-
-class TokenCache(Generic[T]):
-    """Memoise a single value keyed on ``(caller_key, get_decorator_cache_token())``.
-
-    The token component invalidates the cache on depsgraph / undo / redo / load,
-    so cached ``bpy.types.Object`` references can't outlive the underlying ID
-    blocks. Holds exactly one entry — last key wins."""
-
-    __slots__ = ("_key", "_value")
-
-    def __init__(self) -> None:
-        self._key: tuple[Any, int] | None = None
-        self._value: T | None = None
-
-    def get_or_compute(self, key: Any, compute: Callable[[], T]) -> T:
-        token_key = (key, _DECORATOR_CACHE_TOKEN)
-        if token_key == self._key:
-            return self._value  # type: ignore[return-value]
-        value = compute()
-        self._key = token_key
-        self._value = value
-        return value
@@ -24,14 +24,21 @@ import os
 import tempfile
 import zipfile
 from logging import Logger
+from math import radians
 from typing import Union

 import bpy
 import ifcopenshell
+import ifcopenshell.api
 import ifcopenshell.util.element
+import ifcopenshell.util.placement
 import ifcopenshell.util.unit
+from mathutils import Vector

+import bonsai.core.aggregate
 import bonsai.core.geometry
+import bonsai.core.spatial
+import bonsai.core.style
 import bonsai.tool as tool
 from bonsai.bim.ifc import IfcStore

@@ -45,6 +52,7 @@ class IfcExporter:
        self.set_header()
        IfcStore.update_cache()
        self.sync_all_objects()
+        tool.Project.save_linked_models_to_ifc()
        extension = self.ifc_export_settings.output_file.split(".")[-1].lower()
        if extension == "ifczip":
            with tempfile.TemporaryDirectory() as unzipped_path:
@@ -72,7 +80,9 @@ class IfcExporter:

    def set_header(self):
        self.file.header.file_name.name = os.path.basename(self.ifc_export_settings.output_file)
-        self.file.header.file_name.time_stamp = datetime.datetime.now().astimezone().replace(microsecond=0).isoformat()
+        self.file.header.file_name.time_stamp = (
+            datetime.datetime.utcnow().replace(tzinfo=datetime.UTC).astimezone().replace(microsecond=0).isoformat()
+        )
        self.file.header.file_name.preprocessor_version = "IfcOpenShell {}".format(ifcopenshell.version)
        self.file.header.file_name.originating_system = "{} {}".format(
            self.get_application_name(), tool.Blender.get_bonsai_version()
@@ -15,12 +15,11 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with Bonsai.  If not, see <http://www.gnu.org/licenses/>.
-#
-# This file was modified with the assistance of an AI coding tool.

 import os
 import weakref
 from collections.abc import Callable
+from math import cos
 from typing import Union

 import bpy
@@ -32,47 +31,30 @@ from bpy.app.handlers import persistent
 from mathutils import Vector

 import bonsai.bim
-import bonsai.core.model as core_model
 import bonsai.tool as tool
-from bonsai.bim.decorator_cache import (
-    install_decorator_cache_handlers,
-    uninstall_decorator_cache_handlers,
-)
-from bonsai.bim.ifc import IfcStore, get_cache_or_detect_lock
+from bonsai.bim.ifc import IfcStore
 from bonsai.bim.module.aggregate.decorator import AggregateDecorator
 from bonsai.bim.module.georeference.decorator import GeoreferenceDecorator
-from bonsai.bim.module.model.array import (
-    ArrayPreviewDecorator,
-    ArraySelectionHighlightDecorator,
-)
 from bonsai.bim.module.model.data import AuthoringData
 from bonsai.bim.module.model.decorator import (
-    BendPreviewDecorator,
    BoundingBoxDecorator,
-    DoorSwingReadonlyDecorator,
-    MEPSegmentExtendPreviewDecorator,
    SlabDirectionDecorator,
    WallAxisDecorator,
-    WallFilletPreviewDecorator,
 )
-from bonsai.bim.module.model.wall import WallGizmoPreviewDecorator
 from bonsai.bim.module.nest.decorator import NestDecorator

 cwd = os.path.dirname(os.path.realpath(__file__))
 global_subscription_owner = object()
-# Separate owner for per-object msgbus subscriptions (name, active_material_index).
-# Using a dedicated owner allows clearing all per-object subscriptions at once
-# during undo/redo without affecting other global subscriptions.
-object_subscription_owner = object()


 def name_callback(obj: Union[bpy.types.Object, bpy.types.Material], data: str) -> None:
    try:
        obj.name
    except:
-        # The object is invalid but somehow still has a callback.
-        # This can occur during undo/redo when the Python wrapper is stale.
-        return
+        # The object is invalid but somehow still has a callback. Clear all
+        # msgbus subscriptions to prevent useless further triggers.
+        bpy.msgbus.clear_by_owner(obj)
+        return  # In case the object RNA is gone during an undo / redo operation
    # Blender names are up to 63 UTF-8 bytes
    if len(bytes(obj.name, "utf-8")) >= 63:
        return
@@ -123,13 +105,19 @@ def active_object_callback():


 def update_bim_tool_props():
-    """Selection-driven BIM Tool sync: re-target user-intent enums
-    (ifc_class, relating_type_id) AND refresh header values
-    (extrusion_depth, length, x_angle) for the new active object."""
-    ctx = _resolve_bim_tool_context()
-    if ctx is None:
+    """update BIM Tools props (such as extrusion_depth, length and x_angle) when active object changes"""
+    obj = bpy.context.active_object
+
+    # bunch of checks to see if we're in a valid state
+    if not obj:
+        return
+    mode = bpy.context.mode
+    current_tool = bpy.context.workspace.tools.from_space_view3d_mode(mode)
+    if not current_tool or current_tool.idname not in tool.Blender.get_list_of_tools():
+        return
+    element = tool.Ifc.get_entity(obj)
+    if not element:
        return
-    obj, current_tool, element = ctx

    props = tool.Model.get_model_props()
    aprops = tool.Drawing.get_annotation_props()
@@ -142,85 +130,18 @@ def update_bim_tool_props():

            if is_annotation_tool and (object_type := tool.Drawing.get_annotation_type_object_type(element_type)):
                aprops.object_type = object_type
-                try:
-                    aprops.relating_type_id = str(element_type.id())
-                except TypeError:
-                    # EnumProperty items are rebuilt asynchronously when ifc_class changes;
-                    # this assignment can race a stale item list. Skipping is harmless —
-                    # the UI will resync on the next active_object_callback.
-                    pass
+                aprops.relating_type_id = str(element_type.id())
                return

            if is_bim_tool:
-                try:
-                    props.ifc_class = element_type.is_a()
-                except TypeError:
-                    # ifc_class only lists element/space types present in the model, so an
-                    # unsupported type (e.g. a raw IfcTypeProduct) or a stale item list mid-
-                    # rebuild raises `enum "<class>" not found`. Skip rather than crash the
-                    # handler — it re-fires on the next selection and the panel resyncs.
-                    pass
+                props.ifc_class = element_type.is_a()

-            # Only assign when the target enum is the one that lists this type — otherwise
-            # we hit `enum "<id>" not found in (...)` if the user selects an element of a
-            # different class than the workspace tool was built for (e.g. selecting a wall
-            # while the door tool is active).
-            tool_class_match = TOOLS_TO_CLASSES_MAP.get(current_tool.idname) == element_type.is_a()
-            bim_tool_class_match = is_bim_tool and props.ifc_class == element_type.is_a()
-            if bim_tool_class_match or tool_class_match:
-                try:
-                    props.relating_type_id = str(element_type.id())
-                except TypeError:
-                    # Defensive: the enum item list can lag behind ifc_class assignment
-                    # above. Skipping leaves the panel briefly out of sync rather than
-                    # crashing the handler (which Blender re-fires on every selection).
-                    pass
+            if is_bim_tool or TOOLS_TO_CLASSES_MAP.get(current_tool.idname) == element_type.is_a():
+                props.relating_type_id = str(element_type.id())

    if is_annotation_tool:
        return

-    _read_headers_into_props(obj, element)
-
-
-def refresh_bim_tool_headers():
-    """Push the active IFC entity's current header float values
-    (extrusion_depth, length, x_angle) into ``BIMModelProperties``.
-    Enum-safe: never writes user-intent enum slots, which are owned by
-    the selection callback."""
-    ctx = _resolve_bim_tool_context()
-    if ctx is None:
-        return
-    obj, current_tool, element = ctx
-    if current_tool.idname not in tool.Blender.get_property_header_tools():
-        return
-    _read_headers_into_props(obj, element)
-
-
-def _resolve_bim_tool_context():
-    """Return ``(obj, current_tool, element)`` when an active BIM workspace
-    tool sees a resolvable IFC element; ``None`` otherwise. Defensive
-    against stripped operator contexts — a missing ``active_object`` /
-    ``mode`` / ``workspace`` short-circuits to ``None`` instead of raising."""
-    obj = tool.Blender.get_active_object()
-    if not obj:
-        return None
-    mode = getattr(bpy.context, "mode", None)
-    workspace = getattr(bpy.context, "workspace", None)
-    if mode is None or workspace is None:
-        return None
-    current_tool = workspace.tools.from_space_view3d_mode(mode)
-    if not current_tool or current_tool.idname not in tool.Blender.get_list_of_tools():
-        return None
-    element = tool.Ifc.get_entity(obj)
-    if not element:
-        return None
-    return obj, current_tool, element
-
-
-def _read_headers_into_props(obj, element):
-    """Populate ``BIMModelProperties`` header values from the active
-    object's IFC extrusion. Enum-safe: writes only header floats, never
-    user-intent enum slots, so it is safe to call on the post-commit hook."""
    representation = ifcopenshell.util.representation.get_representation(element, "Model", "Body", "MODEL_VIEW")
    if not representation:
        return
@@ -238,13 +159,10 @@ def _read_headers_into_props(obj, element):
    if not AuthoringData.is_loaded:
        AuthoringData.load()

-    props = tool.Model.get_model_props()
    if AuthoringData.data["active_material_usage"] == "LAYER2":
        x_angle = get_x_angle(extrusion)
        axis = tool.Model.get_wall_axis(obj)["reference"]
-        props.extrusion_depth = core_model.vertical_height_from_extrusion_depth(
-            extrusion.Depth * si_conversion, x_angle
-        )
+        props.extrusion_depth = abs(extrusion.Depth * si_conversion * cos(x_angle))
        props.length = (axis[1] - axis[0]).length
        props.x_angle = x_angle

@@ -271,7 +189,7 @@ def subscribe_to(obj: bpy.types.ID, data_path: str, callback: Callable[[bpy.type
        return
    bpy.msgbus.subscribe_rna(
        key=subscribe_to,
-        owner=object_subscription_owner,
+        owner=obj,
        args=(
            obj,
            data_path,
@@ -435,10 +353,8 @@ def subscribe_to_viewport_shading_changes():
            )


-def _apply_save_file_invariants(scene: bpy.types.Scene) -> None:
-    """Invariants enforced on every load_post: msgbus subscription, IFC owner
-    settings, scene-bound caches, load-transient parametric state, and the
-    multi-instance lock probe."""
+@persistent
+def load_post(scene):
    global global_subscription_owner
    active_object_key = bpy.types.LayerObjects, "active"
    bpy.msgbus.subscribe_rna(
@@ -449,23 +365,6 @@ def _apply_save_file_invariants(scene: bpy.types.Scene) -> None:
    ifcopenshell.api.owner.settings.get_application = get_application
    AuthoringData.type_thumbnails = {}

-    tool.Parametric.on_load_post(scene)
-
-    if tool.Ifc.get() and bpy.data.is_saved:
-        props = tool.Blender.get_bim_props()
-        props.has_blend_warning = True
-
-    # Probe the H5 cooked-geometry cache so the multi-instance warning surfaces
-    # right after .blend load. Without this, the lock is only detected when a
-    # mutation triggers ``clear_cache`` — by which time the user has already
-    # made changes that may now conflict with the other Blender instance.
-    if tool.Ifc.get():
-        get_cache_or_detect_lock()
-
-
-def _apply_user_preferences() -> None:
-    """User-preference-driven UI setup: toolbar, BIM workspace, viewport shading
-    subscription, scene-panel hijack, tab layout, snap defaults."""
    preferences = tool.Blender.get_addon_preferences()
    if not preferences.should_setup_toolbar:
        tool.Blender.unregister_toolbar()
@@ -489,21 +388,11 @@ def _apply_user_preferences() -> None:
        tool.Blender.override_scene_panel(panel)
    tool.Blender.setup_tabs()

-    if preferences.should_use_snap and (scene := bpy.context.scene):
-        # Snapping is off by default in Blender, but in BIM, it's more useful to be on
-        scene.tool_settings.use_snap = True
-        # Match default Bonsai snaps
-        scene.tool_settings.snap_elements_base = {"EDGE", "EDGE_PERPENDICULAR", "VERTEX", "EDGE_MIDPOINT", "FACE"}
+    if tool.Ifc.get() and bpy.data.is_saved:
+        props = tool.Blender.get_bim_props()
+        props.has_blend_warning = True

-    tool.Blender.sync_old_preferences()
-
-
-def _install_viewport_overlays() -> None:
-    """Sync every Bonsai viewport decorator to its enabled state.
-
-    Wrapped in uninstall/install of the decorator-cache bump handlers so a
-    decorator's own install path doesn't double-bind to depsgraph_update_post
-    via ``TokenCache`` instances created during their own ``install()``."""
+    # Bonsai overlays
    georeference_props = tool.Georeference.get_georeference_props()
    aggregate_props = tool.Aggregate.get_aggregate_props()
    nest_props = tool.Nest.get_nest_props()
@@ -513,57 +402,23 @@ def _install_viewport_overlays() -> None:
    NestDecorator.uninstall()
    WallAxisDecorator.uninstall()
    SlabDirectionDecorator.uninstall()
-    WallFilletPreviewDecorator.uninstall()
-    BendPreviewDecorator.uninstall()
-    MEPSegmentExtendPreviewDecorator.uninstall()
-    WallGizmoPreviewDecorator.uninstall()
-    DoorSwingReadonlyDecorator.uninstall()
-    ArrayPreviewDecorator.uninstall()
-    ArraySelectionHighlightDecorator.uninstall()
-    uninstall_decorator_cache_handlers()
-    try:
-        if georeference_props.should_visualise:
-            GeoreferenceDecorator.install(bpy.context)
-        if aggregate_props.aggregate_decorator:
-            AggregateDecorator.install(bpy.context)
-        if nest_props.nest_decorator:
-            NestDecorator.install(bpy.context)
-        if model_props.show_wall_axis:
-            WallAxisDecorator.install(bpy.context)
-        if model_props.show_slab_direction:
-            SlabDirectionDecorator.install(bpy.context)
-        if model_props.show_bounding_box:
-            BoundingBoxDecorator.install(bpy.context)
-        # Always-installed: draw() self-polls on Scene.BIMPreviewProperties.
-        # wall_fillet.is_active, so installation has no cost when no preview
-        # is open. No corresponding addon-preference toggle.
-        WallFilletPreviewDecorator.install(bpy.context)
-        # Always-installed siblings of WallFilletPreviewDecorator: each
-        # self-polls on its own scene.BIMPreviewProperties subgroup or on
-        # selection + hover gizmo state — zero cost when nothing is active.
-        BendPreviewDecorator.install(bpy.context)
-        MEPSegmentExtendPreviewDecorator.install(bpy.context)
-        # Always-installed: draw_lines() self-polls on selection + hover state
-        # for join / extend-to-wall / cursor-extend / cursor-split previews.
-        # Free when no preview-eligible state is active.
-        WallGizmoPreviewDecorator.install(bpy.context)
-        # Always-installed: draw() self-polls on active object + IfcDoor +
-        # parametric pset, so the cost is one bpy/IFC lookup per redraw when
-        # nothing eligible is selected.
-        DoorSwingReadonlyDecorator.install(bpy.context)
-        # Always-installed: draw() self-polls on the active object's array
-        # family membership, so installation has no cost when no array
-        # element is selected.
-        ArraySelectionHighlightDecorator.install(bpy.context)
-        # Always-installed: draw() self-polls on props.is_editing — only
-        # paints during an active array edit lifecycle.
-        ArrayPreviewDecorator.install(bpy.context)
-    finally:
-        install_decorator_cache_handlers()
+    if georeference_props.should_visualise:
+        GeoreferenceDecorator.install(bpy.context)
+    if aggregate_props.aggregate_decorator:
+        AggregateDecorator.install(bpy.context)
+    if nest_props.nest_decorator:
+        NestDecorator.install(bpy.context)
+    if model_props.show_wall_axis:
+        WallAxisDecorator.install(bpy.context)
+    if model_props.show_slab_direction:
+        SlabDirectionDecorator.install(bpy.context)
+    if model_props.show_bounding_box:
+        BoundingBoxDecorator.install(bpy.context)

+    if preferences.should_use_snap and (scene := bpy.context.scene):
+        # Snapping is off by default in Blender, but in BIM, it's more useful to be on
+        scene.tool_settings.use_snap = True
+        # Match default Bonsai snaps
+        scene.tool_settings.snap_elements_base = {"EDGE", "EDGE_PERPENDICULAR", "VERTEX", "EDGE_MIDPOINT", "FACE"}

-@persistent
-def load_post(scene):
-    _apply_save_file_invariants(scene)
-    _apply_user_preferences()
-    _install_viewport_overlays()
+    tool.Blender.sync_old_preferences()
@@ -28,6 +28,7 @@ import bpy
 import ifcopenshell
 import ifcopenshell.ifcopenshell_wrapper as W
 import ifcopenshell.util.attribute
+import ifcopenshell.util.element
 import ifcopenshell.util.unit
 from ifcopenshell.util.doc import (
    get_attribute_doc,
@@ -64,44 +64,6 @@ class TransactionStep(TypedDict):
    operations: list[Operation]


-# Set when ``IfcStore.get_cache`` observes an external lock on the HDF5 cache —
-# signal that another Blender process has the same IFC file open. Project panel
-# polls ``is_cache_locked_by_other_process`` to warn the user. The dismissed
-# flag is sticky per-session so the warning doesn't re-nag once the user has
-# acknowledged it.
-_cache_locked_by_other_process: bool = False
-_multi_instance_warning_dismissed: bool = False
-
-
-def is_cache_locked_by_other_process() -> bool:
-    return _cache_locked_by_other_process and not _multi_instance_warning_dismissed
-
-
-def dismiss_multi_instance_warning() -> None:
-    global _multi_instance_warning_dismissed
-    _multi_instance_warning_dismissed = True
-
-
-def get_cache_or_detect_lock() -> ifcopenshell.geom.serializers.hdf5 | None:
-    """Like ``IfcStore.get_cache`` but tracks the multi-instance lock flag — sets
-    it on ``PermissionError``, clears it (along with the dismiss flag) when a
-    subsequent call succeeds. Returns ``None`` on lock; other exceptions
-    propagate. Callers that don't need the warning side effect can use
-    ``IfcStore.get_cache`` directly."""
-    global _cache_locked_by_other_process, _multi_instance_warning_dismissed
-    try:
-        cache = IfcStore.get_cache()
-    except PermissionError:
-        _cache_locked_by_other_process = True
-        return None
-    if _cache_locked_by_other_process:
-        # Lock released — clear both flags so a future re-locking re-surfaces
-        # the warning rather than staying suppressed by the previous dismiss.
-        _cache_locked_by_other_process = False
-        _multi_instance_warning_dismissed = False
-    return cache
-
-
 class IfcStore:
    path: str = ""
    """Should be set only using ``tool.Ifc.set_path``."""
@@ -234,7 +196,7 @@ class IfcStore:
                shutil.copy2(IfcStore.cache_path, new_cache_path)
            except PermissionError:
                pass  # Well we tried. No cache for you!
-        get_cache_or_detect_lock()
+        IfcStore.get_cache()

    @staticmethod
    def load_file(path: str) -> None:
@@ -354,8 +316,11 @@ class IfcStore:
        del IfcStore.id_map[data["id"]]
        if "guid" in data:
            del IfcStore.guid_map[data["guid"]]
-        # Note: msgbus subscriptions are cleared globally during
-        # rebuild_element_maps which runs after every undo/redo.
+        obj = IfcStore.get_object_by_name(data["obj"])
+        if obj is None:
+            # obj was just created during this step and didn't existed before.
+            return
+        bpy.msgbus.clear_by_owner(obj)

    @staticmethod
    def commit_link_element(data: OperationData) -> None:
@@ -402,8 +367,10 @@ class IfcStore:
        del IfcStore.id_map[data["id"]]
        if "guid" in data:
            del IfcStore.guid_map[data["guid"]]
-        # Note: msgbus subscriptions are cleared globally during
-        # rebuild_element_maps which runs after every undo/redo.
+        obj = IfcStore.get_object_by_name(data["obj"])
+        # obj might be removed after unlink.
+        if not obj:
+            bpy.msgbus.clear_by_owner(obj)

    @staticmethod
    def unlink_element(
@@ -552,7 +519,6 @@ class IfcStore:
                    BrickStore.end_transaction()
                IfcStore.end_transaction(operator)
                bonsai.bim.handler.refresh_ui_data()
-                tool.Parametric.refresh_post_commit(operator)

                if method == "MODAL":
                    cls.modal_in_progress = False
@@ -566,19 +532,6 @@ class IfcStore:
                result = getattr(operator, "_modal")(context, event)
        except:
            bonsai.last_error = traceback.format_exc()
-            # An operator that mutated IFC then raised leaves the IFC graph captured
-            # by the transaction but the Blender side stale. Blender does not push an
-            # undo step for a raised operator (mirror of the CANCELLED-modal gap
-            # handled below), so we push one here so Ctrl+Z actually rewinds the
-            # partial mutation, then surface the recovery path to the user.
-            ifc_file = tool.Ifc.get()
-            if ifc_file and ifc_file.transaction and ifc_file.transaction.operations:
-                bpy.ops.ed.undo_push(message=f"Recover {operator.bl_idname}")
-                operator.report(
-                    {"WARNING"},
-                    "Operation partially completed (IFC changed, Blender state may be stale). "
-                    "Press Ctrl+Z to restore the previous state.",
-                )
            # Try to ensure undo will work since Blender undo does work in case of errors.
            # As error come unexpectedly, it's important that user might have a chance to save the file
            # before they got the error and not to lose the work they've done.
@@ -32,6 +32,7 @@ import ifcopenshell.api.pset
 import ifcopenshell.geom
 import ifcopenshell.ifcopenshell_wrapper as W
 import ifcopenshell.util.element
+import ifcopenshell.util.geolocation
 import ifcopenshell.util.placement
 import ifcopenshell.util.representation
 import ifcopenshell.util.shape
@@ -64,8 +65,8 @@ class MaterialCreator:
        mesh: Union[OBJECT_DATA_TYPE, None],
        shape_has_openings: bool,
    ) -> None:
-        if ((rep := getattr(element, "Representation", ...)) is not ... and not rep) or (
-            (rep := getattr(element, "RepresentationMaps", ...)) is not ... and not rep
+        if ((rep := getattr(element, "Representation", ...) is not ...) and not rep) or (
+            (rep := getattr(element, "RepresentationMaps", ...) is not ...) and not rep
        ):
            return

@@ -84,7 +85,7 @@ class MaterialCreator:
        if element.is_a("IfcTypeProduct"):
            self.parse_element_type_material_styles(element)
        self.parsed_meshes.add(self.mesh.name)
-        if self.ifc_import_settings.load_indexed_maps:
+        if not self.ifc_import_settings.load_indexed_maps:
            self.load_texture_maps(shape_has_openings)
        self.assign_material_slots_to_faces()
        tool.Geometry.record_object_materials(obj)
@@ -116,6 +117,7 @@ class MaterialCreator:
        for texture in texture_style.Textures or []:
            if coords := getattr(texture, "IsMappedBy", None):
                coords = coords[0]
+                # IfcTextureCoordinateGenerator handled in the style shader graph
                if coords.is_a("IfcIndexedTextureMap"):
                    return coords
                # TODO: support IfcTextureMap
@@ -133,10 +135,6 @@ class MaterialCreator:
                if shape_has_openings and coords.is_a("IfcIndexedTextureMap"):
                    continue
                tool.Loader.load_indexed_map(coords, self.mesh)
-            elif tool.Style.get_texture_style(material):
-                # No explicit coordinate mapping (e.g. IFC2X3 has no IsMappedBy,
-                # and IFC4 COORD uses generated UVs). Bake XY→UV as fallback.
-                tool.Loader.load_generated_uv_map(self.mesh)

    def assign_material_slots_to_faces(self) -> None:
        if not self.mesh["ios_materials"]:
@@ -747,7 +745,6 @@ class IfcImporter:
                self.update_progress((percent_average / 100 * progress_range) + start_progress)
            shape = iterator.get()
            if shape:
-                assert isinstance(shape, W.TriangulationElement)
                product = self.file.by_id(shape.id)
                self.create_product(product, shape)
                results.add(product)
@@ -895,6 +892,48 @@ class IfcImporter:
                obj, tool.Loader.apply_blender_offset_to_matrix_world(obj, self.get_element_matrix(element))
            )

+        if element.is_a("IfcAnnotation") and getattr(element, "ObjectType", None) == "IMAGE":
+            image = None
+            if obj.data and obj.data.materials and obj.data.materials[0]:
+                material = obj.data.materials[0]
+                if material.use_nodes and material.node_tree:
+                    for node in material.node_tree.nodes:
+                        if node.type == "TEX_IMAGE" and node.image:
+                            image = node.image
+                            break
+            if image:
+                import bmesh
+
+                bm = bmesh.new()
+                bm.from_mesh(obj.data)
+                if not bm.loops.layers.uv:
+                    uv_layer = bm.loops.layers.uv.new()
+                else:
+                    uv_layer = bm.loops.layers.uv.active
+
+                if bm.verts:
+                    min_x = min(v.co.x for v in bm.verts)
+                    max_x = max(v.co.x for v in bm.verts)
+                    min_y = min(v.co.y for v in bm.verts)
+                    max_y = max(v.co.y for v in bm.verts)
+
+                    width = max_x - min_x
+                    height = max_y - min_y
+
+                    for face in bm.faces:
+                        for loop in face.loops:
+                            vert = loop.vert
+                            u = (vert.co.x - min_x) / width if width > 0 else 0.5
+                            v = (vert.co.y - min_y) / height if height > 0 else 0.5
+
+                            u = max(0.0, min(1.0, u))
+                            v = max(0.0, min(1.0, v))
+
+                            loop[uv_layer].uv = (u, v)
+
+                bm.to_mesh(obj.data)
+                bm.free()
+                obj.data.update()
        return obj

    def load_existing_meshes(self) -> None:
@@ -1021,8 +1060,7 @@ class IfcImporter:
        obj.hide_select = True
        obj.hide_viewport = True
        self.project["blender"].objects.link(obj)
-        collection_props = tool.Blender.get_collection_props(self.project["blender"])
-        collection_props.obj = obj
+        self.project["blender"].BIMCollectionProperties.obj = obj
        props = tool.Blender.get_object_bim_props(obj)
        props.collection = self.collections[project.GlobalId] = self.project["blender"]

@@ -1219,8 +1257,8 @@ class IfcImporter:
                        if element not in elements_to_import:
                            continue
                    for i in range(len(data)):
-                        tool.Array.set_children_lock_state(element, i, True)
-                        tool.Array.constrain_children_to_parent(element)
+                        tool.Blender.Modifier.Array.set_children_lock_state(element, i, True)
+                        tool.Blender.Modifier.Array.constrain_children_to_parent(element)

    def update_linked_aggregates(self):
        # TODO Remove this after a while. See commit 17d6b8a
@@ -19,6 +19,7 @@
 import blf
 import bpy
 import gpu
+import ifcopenshell
 import ifcopenshell.util.element
 from bpy.types import SpaceView3D
 from bpy_extras import view3d_utils
@@ -26,6 +27,7 @@ from gpu_extras.batch import batch_for_shader
 from mathutils import Vector

 import bonsai.tool as tool
+from bonsai.bim.module.geometry.decorator import ItemDecorator


 def transparent_color(color, alpha=0.1):
@@ -19,6 +19,8 @@
 from typing import TYPE_CHECKING

 import bpy
+import ifcopenshell
+import ifcopenshell.api
 import ifcopenshell.api.group
 import ifcopenshell.api.pset
 import ifcopenshell.api.root
@@ -23,7 +23,12 @@ import ifcopenshell.util.element
 from bpy.props import (
    BoolProperty,
    CollectionProperty,
+    EnumProperty,
+    FloatProperty,
+    FloatVectorProperty,
+    IntProperty,
    PointerProperty,
+    StringProperty,
 )
 from bpy.types import PropertyGroup

@@ -32,6 +37,8 @@ from bonsai.bim.module.aggregate.decorator import (
    AggregateDecorator,
    AggregateModeDecorator,
 )
+from bonsai.bim.module.spatial.data import SpatialData
+from bonsai.bim.prop import Attribute, StrProperty


 def can_aggregate(relating_obj: bpy.types.Object, related_obj: bpy.types.Object) -> bool:
@@ -73,22 +80,6 @@ def poll_related_object(self: "BIMObjectAggregateProperties", related_obj: bpy.t
    return True


-def update_relating_object(self, context):
-    if self.relating_object:
-        ifc_id = tool.Blender.get_object_bim_props(self.relating_object).ifc_definition_id
-        if ifc_id:
-            bpy.ops.bim.aggregate_assign_object(relating_object=ifc_id)
-            bpy.ops.bim.disable_editing_aggregate()
-
-
-def update_related_object(self, context):
-    if self.related_object:
-        ifc_id = tool.Blender.get_object_bim_props(self.related_object).ifc_definition_id
-        if ifc_id:
-            bpy.ops.bim.aggregate_assign_object(related_object=ifc_id)
-            bpy.ops.bim.disable_editing_aggregate()
-
-
 def update_aggregate_decorator(self, context):
    if self.aggregate_decorator:
        AggregateDecorator.install(bpy.context)
@@ -105,15 +96,12 @@ def update_aggregate_mode_decorator(self, context):

 class BIMObjectAggregateProperties(PropertyGroup):
    is_editing: BoolProperty(name="Is Editing")
-    relating_object: PointerProperty(
-        name="Relating Whole", type=bpy.types.Object, poll=poll_relating_object, update=update_relating_object
-    )
+    relating_object: PointerProperty(name="Relating Whole", type=bpy.types.Object, poll=poll_relating_object)
    related_object: PointerProperty(
        name="Related Part",
        description="Related Part, will be used to derive the Relating Object",
        type=bpy.types.Object,
        poll=poll_related_object,
-        update=update_related_object,
    )

    if TYPE_CHECKING:
@@ -139,7 +127,6 @@ class BIMAggregateProperties(PropertyGroup):
    previous_editing_aggregate: PointerProperty(name="Editing Aggregate", type=bpy.types.Object)
    editing_objects: CollectionProperty(type=Objects)
    not_editing_objects: CollectionProperty(type=Objects)
-    previously_selected_objects: CollectionProperty(type=Objects)
    aggregate_decorator: BoolProperty(
        name="Display Aggregate",
        default=False,
@@ -156,6 +143,5 @@ class BIMAggregateProperties(PropertyGroup):
        previous_editing_aggregate: Union[bpy.types.Object, None]
        editing_objects: bpy.types.bpy_prop_collection_idprop[Objects]
        not_editing_objects: bpy.types.bpy_prop_collection_idprop[Objects]
-        previously_selected_objects: bpy.types.bpy_prop_collection_idprop[Objects]
        aggregate_decorator: bool
        previous_state: bool
@@ -21,6 +21,7 @@ from bpy.types import Panel
 import bonsai.tool as tool
 from bonsai.bim.ifc import IfcStore
 from bonsai.bim.module.aggregate.data import AggregateData
+from bonsai.bim.module.group.data import GroupsData, ObjectGroupsData


 class BIM_PT_aggregate(Panel):
@@ -18,14 +18,24 @@

 # pyright: reportUnnecessaryTypeIgnoreComment=error

+import calendar
+import json
+import os
 import time
+from datetime import datetime

 import bpy
 import ifcopenshell.api.alignment
 import ifcopenshell.api.spatial
 import ifcopenshell.geom
+import ifcopenshell.util.selector
+import ifcopenshell.util.sequence
+import isodate
 from bpy_extras.io_utils import ImportHelper
+from dateutil import parser, relativedelta

+import bonsai.bim.module.sequence.helper as helper
+import bonsai.core.sequence as core
 import bonsai.tool as tool


@@ -295,13 +295,13 @@ class ExplorerShowUIPopup(bpy.types.Operator):
    bl_description = "Show Explorer UI to select element as attribute value or edit it."
    bl_options = {"REGISTER", "UNDO"}

-    ifc_class: bpy.props.StringProperty()
+    ifc_class: bpy.props.StringProperty()  # pyright: ignore[reportRedeclaration]
    """Element IFC class."""
-    attribute_name: bpy.props.StringProperty()
+    attribute_name: bpy.props.StringProperty()  # pyright: ignore[reportRedeclaration]
    """IFC class attribute name."""
-    data_path: bpy.props.StringProperty()
+    data_path: bpy.props.StringProperty()  # pyright: ignore[reportRedeclaration]
    """Full data path"""
-    preselect_ifc_id: bpy.props.IntProperty(options={"SKIP_SAVE"})
+    preselect_ifc_id: bpy.props.IntProperty(options={"SKIP_SAVE"})  # pyright: ignore[reportRedeclaration]
    """IFC id to preselect in the popup."""

    if TYPE_CHECKING:
@@ -23,12 +23,16 @@ from bpy.props import (
    BoolProperty,
    CollectionProperty,
    EnumProperty,
+    FloatProperty,
+    FloatVectorProperty,
    IntProperty,
+    PointerProperty,
+    StringProperty,
 )
 from bpy.types import PropertyGroup

 import bonsai.tool as tool
-from bonsai.bim.prop import Attribute
+from bonsai.bim.prop import Attribute, StrProperty


 class BIMAttributeProperties(PropertyGroup):
@@ -41,7 +45,7 @@ class BIMAttributeProperties(PropertyGroup):


 class ExplorerEntity(PropertyGroup):
-    ifc_definition_id: bpy.props.IntProperty()
+    ifc_definition_id: bpy.props.IntProperty()  # pyright: ignore[reportRedeclaration]

    if TYPE_CHECKING:
        ifc_definition_id: int
@@ -60,7 +64,7 @@ class BIMExplorerProperties(PropertyGroup):
            self.property_unset("editing_entity_id")
            self.entity_attributes.clear()

-    is_loaded: BoolProperty(
+    is_loaded: BoolProperty(  # pyright: ignore[reportRedeclaration]
        name="Toggle Explorer UI",
        update=update_is_loaded,
    )
@@ -76,15 +80,15 @@ class BIMExplorerProperties(PropertyGroup):
    def update_ifc_class(self, context: object) -> None:
        tool.Attribute.refresh_uilist_entities()

-    ifc_class: EnumProperty(
+    ifc_class: EnumProperty(  # pyright: ignore[reportRedeclaration]
        name="IFC Class To Search",
        items=get_ifc_class,
        update=update_ifc_class,
    )
-    entities: CollectionProperty(type=ExplorerEntity)
-    active_entity_index: IntProperty()
-    editing_entity_id: IntProperty()
-    entity_attributes: CollectionProperty(type=Attribute)
+    entities: CollectionProperty(type=ExplorerEntity)  # pyright: ignore[reportRedeclaration]
+    active_entity_index: IntProperty()  # pyright: ignore[reportRedeclaration]
+    editing_entity_id: IntProperty()  # pyright: ignore[reportRedeclaration]
+    entity_attributes: CollectionProperty(type=Attribute)  # pyright: ignore[reportRedeclaration]

    if TYPE_CHECKING:
        is_loaded: bool
@@ -48,14 +48,12 @@ def draw_ui(context: bpy.types.Context, layout: bpy.types.UILayout, attributes)
        row = layout.row()
        op = row.operator("bim.enable_editing_attributes", icon="GREASEPENCIL", text="Edit")

-        element = tool.Ifc.get_entity(obj)
-        key_prefix = "type." if (element and element.is_a("IfcTypeObject")) else ""
        for attribute in attributes:
            row = layout.row(align=True)
            row.label(text=attribute["name"])
            value = bonsai.bim.helper.get_display_value(attribute["value"])
            op = row.operator("bim.select_similar", text=value, icon="NONE", emboss=False)
-            op.key = key_prefix + attribute["name"]
+            op.key = attribute["name"]

    # TODO: reimplement, see #1222
    # if "IfcSite/" in context.active_object.name or "IfcBuilding/" in context.active_object.name:
@@ -16,9 +16,8 @@
 # You should have received a copy of the GNU General Public License
 # along with Bonsai.  If not, see <http://www.gnu.org/licenses/>.

-from typing import TYPE_CHECKING
-
-import bpy
+import bpy.props
+import bpy.types


 class AuginProperties(bpy.types.PropertyGroup):
@@ -28,11 +27,3 @@ class AuginProperties(bpy.types.PropertyGroup):
    project_name: bpy.props.StringProperty(name="Project Name")
    project_filename: bpy.props.StringProperty(name="IFC Filename")
    is_success: bpy.props.BoolProperty(name="Is Successful Upload", default=False)
-
-    if TYPE_CHECKING:
-        username: str
-        password: str
-        token: str
-        project_name: str
-        project_filename: str
-        is_success: bool
@@ -19,7 +19,9 @@
 import os
 from typing import Union

+import bcf
 import bcf.bcfxml
+import bcf.v2.bcfxml
 import bpy

 import bonsai.tool as tool
@@ -16,18 +16,22 @@
 # You should have received a copy of the GNU General Public License
 # along with Bonsai.  If not, see <http://www.gnu.org/licenses/>.

+import os
 import tempfile
 import uuid
 import webbrowser
-from math import atan, degrees, radians, tan
+from math import atan, cos, degrees, radians, sin, tan
 from pathlib import Path

+import bcf
 import bcf.agnostic.topic
 import bcf.agnostic.visinfo
+import bcf.bcfxml
 import bcf.v2.bcfxml
 import bcf.v2.model
 import bcf.v2.topic
 import bcf.v2.visinfo
+import bcf.v3
 import bcf.v3.bcfxml
 import bcf.v3.document
 import bcf.v3.model
@@ -39,10 +43,11 @@ import ifcopenshell.util.geolocation
 import ifcopenshell.util.unit
 import numpy as np
 from bpy_extras.io_utils import ExportHelper, ImportHelper
-from mathutils import Matrix, Vector
+from mathutils import Euler, Matrix, Vector, geometry
 from xsdata.models.datatype import XmlDateTime

 import bonsai.bim.module.bcf.bcfstore as bcfstore
+import bonsai.bim.module.bcf.prop as bcf_prop
 import bonsai.tool as tool


@@ -1253,8 +1258,8 @@ class ActivateBcfViewpoint(bpy.types.Operator):
        else:
            obj.data.show_background_images = False

-        assert (space := tool.Blender.get_view3d_space())
-        space.region_3d.view_perspective = "CAMERA"
+        area = next(area for area in context.screen.areas if area.type == "VIEW_3D")
+        area.spaces[0].region_3d.view_perspective = "CAMERA"

        if self.file:
            self.set_viewpoint_components(viewpoint, context)
@@ -24,6 +24,8 @@ from bpy.props import (
    BoolProperty,
    CollectionProperty,
    EnumProperty,
+    FloatProperty,
+    FloatVectorProperty,
    IntProperty,
    PointerProperty,
    StringProperty,
@@ -230,7 +232,7 @@ class BcfTopic(PropertyGroup):


 def get_related_topics(self: "BCFProperties", context: bpy.types.Context) -> list[tuple[str, str, str]]:
-    global RELATED_TOPICS_ENUM_ITEMS  # ty: ignore[unresolved-global]
+    global RELATED_TOPICS_ENUM_ITEMS
    props = self
    active_topic = props.active_topic
    active_related_topics = active_topic.related_topics.keys()
@@ -18,6 +18,7 @@

 from __future__ import annotations

+import os
 from typing import TYPE_CHECKING

 import bpy
@@ -20,6 +20,7 @@ import bmesh
 import gpu
 from bpy.types import SpaceView3D
 from gpu_extras.batch import batch_for_shader
+from mathutils import Vector

 import bonsai.tool as tool

@@ -27,18 +27,20 @@ import ifcopenshell.api
 import ifcopenshell.api.boundary
 import ifcopenshell.api.root
 import ifcopenshell.geom
-import ifcopenshell.ifcopenshell_wrapper as W
 import ifcopenshell.util.element
 import ifcopenshell.util.placement
+import ifcopenshell.util.representation
 import ifcopenshell.util.shape
 import ifcopenshell.util.unit
 import mathutils
+import numpy as np
 import shapely
 import shapely.ops
 from ifcopenshell.util.shape_builder import ShapeBuilder
 from mathutils import Matrix, Vector

 import bonsai.bim.import_ifc as import_ifc
+import bonsai.core
 import bonsai.core.geometry
 import bonsai.tool as tool
 from bonsai.bim.ifc import IfcStore
@@ -377,8 +379,6 @@ class EnableEditingBoundary(bpy.types.Operator):
            obj = tool.Ifc.get_object(entity)
            if entity and obj:
                setattr(bprops, blender_property, obj)
-        bprops.physical_or_virtual = boundary.PhysicalOrVirtualBoundary or "NOTDEFINED"
-        bprops.internal_or_external = boundary.InternalOrExternalBoundary or "NOTDEFINED"
        return {"FINISHED"}


@@ -394,8 +394,6 @@ class DisableEditingBoundary(bpy.types.Operator):
        bprops.is_editing = False
        for ifc_attribute, blender_property in EDITABLE_ATTRIBUTES.items():
            setattr(bprops, blender_property, None)
-        bprops.physical_or_virtual = "NOTDEFINED"
-        bprops.internal_or_external = "NOTDEFINED"
        return {"FINISHED"}


@@ -415,8 +413,6 @@ class EditBoundaryAttributes(bpy.types.Operator, tool.Ifc.Operator):
            obj = getattr(bprops, blender_property, None)
            entity = tool.Ifc.get_entity(obj)
            attributes[blender_property] = entity
-        attributes["physical_or_virtual"] = bprops.physical_or_virtual
-        attributes["internal_or_external"] = bprops.internal_or_external
        ifcopenshell.api.boundary.edit_attributes(tool.Ifc.get(), entity=boundary, **attributes)
        bpy.ops.bim.disable_editing_boundary()
        return {"FINISHED"}
@@ -708,7 +704,6 @@ class AddBoundary(bpy.types.Operator, tool.Ifc.Operator):
            while True:
                tree.add_element(iterator.get_native())
                shape = iterator.get()
-                assert isinstance(shape, W.TriangulationElement)
                shapes[shape.id] = {
                    "verts": ifcopenshell.util.shape.get_vertices(shape.geometry),
                    "faces": ifcopenshell.util.shape.get_faces(shape.geometry),
@@ -21,8 +21,13 @@ from typing import TYPE_CHECKING, Union
 import bpy
 from bpy.props import (
    BoolProperty,
+    CollectionProperty,
    EnumProperty,
+    FloatProperty,
+    FloatVectorProperty,
+    IntProperty,
    PointerProperty,
+    StringProperty,
 )
 from bpy.types import PropertyGroup

@@ -51,43 +56,12 @@ def element_filter(self: "BIMObjectBoundaryProperties", object: bpy.types.Object
    return False


-def get_internal_or_external_items(
-    self: "BIMObjectBoundaryProperties", context: bpy.types.Context | None
-) -> list[tuple[str, str, str]]:
-    items = [
-        ("INTERNAL", "Internal", ""),
-        ("EXTERNAL", "External", ""),
-    ]
-    ifc = tool.Ifc.get()
-    if not ifc or ifc.schema != "IFC2X3":
-        items += [
-            ("EXTERNAL_EARTH", "External Earth", ""),
-            ("EXTERNAL_WATER", "External Water", ""),
-            ("EXTERNAL_FIRE", "External Fire", ""),
-        ]
-    items.append(("NOTDEFINED", "Not Defined", ""))
-    return items
-
-
 class BIMObjectBoundaryProperties(PropertyGroup):
    is_editing: BoolProperty(name="Is Editing")
    relating_space: PointerProperty(name="RelatingSpace", type=bpy.types.Object, poll=space_filter)
    related_building_element: PointerProperty(name="RelatedBuildingElement", type=bpy.types.Object, poll=element_filter)
    parent_boundary: PointerProperty(name="ParentBoundary", type=bpy.types.Object, poll=boundary_filter)
    corresponding_boundary: PointerProperty(name="CorrespondingBoundary", type=bpy.types.Object, poll=boundary_filter)
-    physical_or_virtual: EnumProperty(
-        name="PhysicalOrVirtualBoundary",
-        items=[
-            ("PHYSICAL", "Physical", ""),
-            ("VIRTUAL", "Virtual", ""),
-            ("NOTDEFINED", "Not Defined", ""),
-        ],
-        default="NOTDEFINED",
-    )
-    internal_or_external: EnumProperty(
-        name="InternalOrExternalBoundary",
-        items=get_internal_or_external_items,
-    )

    if TYPE_CHECKING:
        is_editing: bool
@@ -95,8 +69,6 @@ class BIMObjectBoundaryProperties(PropertyGroup):
        related_building_element: Union[bpy.types.Object, None]
        parent_boundary: Union[bpy.types.Object, None]
        corresponding_boundary: Union[bpy.types.Object, None]
-        physical_or_virtual: str
-        internal_or_external: str  # values depend on schema: IFC2X3 omits EXTERNAL_EARTH/WATER/FIRE


 class BIMBoundaryProperties(PropertyGroup):
@@ -16,7 +16,8 @@
 # You should have received a copy of the GNU General Public License
 # along with Bonsai.  If not, see <http://www.gnu.org/licenses/>.

-from bpy.types import Panel
+import bpy
+from bpy.types import Panel, UIList

 import bonsai.tool as tool
 from bonsai.bim.module.boundary.data import SpaceBoundariesData
@@ -77,10 +78,6 @@ class BIM_PT_Boundary(Panel):
            self.draw_relation_editor(boundary, "RelatedBuildingElement", "related_building_element")
            self.draw_relation_editor(boundary, "ParentBoundary", "parent_boundary")
            self.draw_relation_editor(boundary, "CorrespondingBoundary", "corresponding_boundary")
-            row = self.layout.row()
-            row.prop(self.bprops, "physical_or_virtual")
-            row = self.layout.row()
-            row.prop(self.bprops, "internal_or_external")
        else:
            row = self.layout.row()
            row.operator("bim.enable_editing_boundary", icon="GREASEPENCIL", text="Edit")
@@ -88,8 +85,6 @@ class BIM_PT_Boundary(Panel):
            self.draw_relation_data(boundary, "RelatedBuildingElement")
            self.draw_relation_data(boundary, "ParentBoundary")
            self.draw_relation_data(boundary, "CorrespondingBoundary")
-            self.draw_enum_data(boundary, "PhysicalOrVirtualBoundary")
-            self.draw_enum_data(boundary, "InternalOrExternalBoundary")
            if hasattr(boundary, "InnerBoundaries"):
                for i, inner_boundary in enumerate(getattr(boundary, "InnerBoundaries", ())):
                    row = self.layout.row(align=True)
@@ -116,11 +111,6 @@ class BIM_PT_Boundary(Panel):
            else:
                row.label(text="")

-    def draw_enum_data(self, boundary, ifc_attribute: str):
-        row = self.layout.row(align=True)
-        row.label(text=ifc_attribute)
-        row.label(text=getattr(boundary, ifc_attribute, "") or "")
-
    def draw_relation_editor(self, boundary, ifc_attribute: str, blender_property: str):
        if hasattr(boundary, ifc_attribute):
            row = self.layout.row(align=True)
@@ -63,7 +63,8 @@ class BrickschemaData:
        if namespace == "https://brickschema.org/schema/Brick":
            return []
        results = []
-        query = BrickStore.graph.query("""
+        query = BrickStore.graph.query(
+            """
            PREFIX brick: <https://brickschema.org/schema/Brick#>
            PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
            PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
@@ -80,7 +81,10 @@ class BrickschemaData:
                }
            }
            GROUP BY ?object
-        """.replace("{uri}", uri))
+        """.replace(
+                "{uri}", uri
+            )
+        )
        for row in query:
            predicate_uri = row.get("predicate")
            predicate_name = predicate_uri.toPython().split("#")[-1]
@@ -19,6 +19,7 @@
 import os

 import bpy
+import ifcopenshell.api
 from bpy_extras.io_utils import ExportHelper, ImportHelper

 import bonsai.bim.handler
@@ -23,7 +23,10 @@ from bpy.props import (
    BoolProperty,
    CollectionProperty,
    EnumProperty,
+    FloatProperty,
+    FloatVectorProperty,
    IntProperty,
+    PointerProperty,
    StringProperty,
 )
 from bpy.types import PropertyGroup
@@ -31,7 +34,7 @@ from bpy.types import PropertyGroup
 import bonsai.core.brick as core
 import bonsai.tool.brick as tool
 from bonsai.bim.module.brick.data import BrickschemaData, BrickschemaReferencesData
-from bonsai.bim.prop import StrProperty
+from bonsai.bim.prop import Attribute, StrProperty
 from bonsai.tool.brick import BrickStore


@@ -46,26 +49,26 @@ def get_libraries(self, context):


 def get_namespaces(self, context):
-    global NAMESPACES_ENUM_ITEMS  # ty: ignore[unresolved-global]
+    global NAMESPACES_ENUM_ITEMS
    NAMESPACES_ENUM_ITEMS = [(uri, f"{alias}: {uri}", "") for alias, uri in BrickStore.namespaces]
    return NAMESPACES_ENUM_ITEMS


 def get_brick_entity_classes(self, context):
-    global ENTITY_CLASSES_ENUM_ITEMS  # ty: ignore[unresolved-global]
+    global ENTITY_CLASSES_ENUM_ITEMS
    entity = self.brick_entity_create_type
    ENTITY_CLASSES_ENUM_ITEMS = [(uri, uri.split("#")[-1], "") for uri in BrickStore.entity_classes[entity]]
    return ENTITY_CLASSES_ENUM_ITEMS


 def get_brick_roots(self, context):
-    global BRICK_ROOTS_ENUM_ITEMS  # ty: ignore[unresolved-global]
+    global BRICK_ROOTS_ENUM_ITEMS
    BRICK_ROOTS_ENUM_ITEMS = [(root, root, "") for root in BrickStore.root_classes]
    return BRICK_ROOTS_ENUM_ITEMS


 def get_brick_relations(self, context):
-    global BRICK_RELATIONS_ENUM_ITEMS  # ty: ignore[unresolved-global]
+    global BRICK_RELATIONS_ENUM_ITEMS
    BRICK_RELATIONS_ENUM_ITEMS = [(uri, uri.split("#")[-1], "") for uri in BrickStore.relationships]
    for relation in BrickschemaData.data["active_relations"]:
        if relation["predicate_name"] == "label":
@@ -16,18 +16,9 @@
 # You should have received a copy of the GNU General Public License
 # along with Bonsai.  If not, see <http://www.gnu.org/licenses/>.

-from __future__ import annotations
-
-from typing import TYPE_CHECKING
-
-import bpy
 from bpy.types import Panel, UIList

 import bonsai.tool as tool
-
-if TYPE_CHECKING:
-    from bonsai.bim.module.brick.prop import Brick
-
 from bonsai.bim.helper import prop_with_search
 from bonsai.bim.module.brick.data import BrickschemaData, BrickschemaReferencesData
 from bonsai.tool.brick import BrickStore
@@ -283,9 +274,7 @@ class BIM_PT_brickschema_viewport(Panel):
 class BIM_UL_bricks(UIList):
    split_screen = False

-    def draw_item(
-        self, context, layout: bpy.types.UILayout, data, item: Brick, icon, active_data, active_propname
-    ) -> None:
+    def draw_item(self, context, layout, data, item, icon, active_data, active_propname):
        if item:
            split = layout.split(factor=0.85, align=True)
            row = split.row()
@@ -16,8 +16,13 @@
 # You should have received a copy of the GNU General Public License
 # along with Bonsai.  If not, see <http://www.gnu.org/licenses/>.

+import bpy
+import ifcopenshell
+import ifcopenshell.util.classification
+import ifcopenshell.util.date

 import bonsai.tool as tool
+from bonsai.bim.ifc import IfcStore


 def refresh():
@@ -19,6 +19,7 @@ import textwrap
 from typing import Any

 import bpy
+import bsdd
 import ifcopenshell.api.pset
 import ifcopenshell.util.element

@@ -23,7 +23,10 @@ from bpy.props import (
    BoolProperty,
    CollectionProperty,
    EnumProperty,
+    FloatProperty,
+    FloatVectorProperty,
    IntProperty,
+    PointerProperty,
    StringProperty,
 )
 from bpy.types import PropertyGroup
@@ -31,7 +34,7 @@ from bpy.types import PropertyGroup
 import bonsai.tool as tool
 from bonsai.bim.module.bsdd.data import BSDDData
 from bonsai.bim.module.classification.data import ClassificationsData
-from bonsai.bim.prop import Attribute
+from bonsai.bim.prop import Attribute, StrProperty


 def get_active_dictionary(self: "BIMBSDDProperties", context: object) -> tool.Blender.BLENDER_ENUM_ITEMS:
@@ -17,11 +17,13 @@
 # along with Bonsai.  If not, see <http://www.gnu.org/licenses/>.

 import math
-from math import pi, sqrt
+from math import cos, pi, radians, sin, sqrt
+from typing import Union

 import bmesh
 import bpy
 import bpy_extras
+import ifcopenshell.util.unit
 import mathutils
 from mathutils import Matrix, Vector

@@ -37,7 +39,6 @@ messages = {
 class CadTrimExtend(bpy.types.Operator):
    bl_idname = "bim.cad_trim_extend"
    bl_label = "CAD Trim / Extend"
-    bl_description = "Extends/reduces element to 3D cursor"

    @classmethod
    def poll(cls, context):
@@ -83,7 +84,6 @@ class CadTrimExtend(bpy.types.Operator):
 class CadMitre(bpy.types.Operator):
    bl_idname = "bim.cad_mitre"
    bl_label = "CAD Mitre"
-    bl_description = "Joins two non-parallel paths at their intersection"

    @classmethod
    def poll(cls, context):
@@ -345,17 +345,9 @@ class CadArcFrom3Points(bpy.types.Operator):
 class CadOffset(bpy.types.Operator):
    bl_idname = "bim.cad_offset"
    bl_label = "CAD Offset"
-    bl_description = (
-        "Offset selected mesh geometry at provided distance, based on the current viewport angle. "
-        "Creates a copy by default, or moves the existing edges if Copy is disabled."
-    )
+    bl_description = "Copy selected mesh geometry at provided offset. Mesh copied based on the current viewport angle."
    bl_options = {"REGISTER", "UNDO"}
    distance: bpy.props.FloatProperty(name="Distance", default=0.1, subtype="DISTANCE")
-    copy: bpy.props.BoolProperty(
-        name="Copy",
-        description="Create a new offset copy of the geometry. If disabled, move the existing edges to the offset location",
-        default=True,
-    )

    @classmethod
    def poll(cls, context):
@@ -413,11 +405,6 @@ class CadOffset(bpy.types.Operator):
        rotation = Matrix.Rotation(pi / 2, 2, "Z")
        rotation_i = Matrix.Rotation(-pi / 2, 2, "Z")

-        # When not copying, the offset positions are gathered here and applied to
-        # the existing verts only after all loops are processed, so that the
-        # original coordinates are still available while computing offsets.
-        moved_verts = []
-
        # Create loops from edges
        loop_edges = set(edges)
        loops = []
@@ -530,15 +517,12 @@ class CadOffset(bpy.types.Operator):
                    offset_length = self.distance / sqrt((1 + normals[0].dot(normals[1])) / 2)
                    offset = mw.inverted().to_quaternion() @ (wp.to_quaternion() @ (new_normal * offset_length).to_3d())
                    new_vert = v1.co + offset
+                    new_verts.append(bm.verts.new(new_vert))
                else:
                    normal = (normals[0] * self.distance).to_3d()
                    offset = mw.inverted().to_quaternion() @ (wp.to_quaternion() @ normal)
                    new_vert = v1.co + offset
-
-                if self.copy:
                    new_verts.append(bm.verts.new(new_vert))
-                else:
-                    moved_verts.append((v1, new_vert))

                processed_verts.add(v1.index)

@@ -547,14 +531,9 @@ class CadOffset(bpy.types.Operator):

                v1 = v2

-            if self.copy:
-                [bm.edges.new((new_verts[i], new_verts[i + 1])) for i in range(len(new_verts) - 1)]
-                if is_closed:
-                    bm.edges.new((new_verts[len(new_verts) - 1], new_verts[0]))
-
-        # Move the existing edges to the offset location.
-        for vert, new_co in moved_verts:
-            vert.co = new_co
+            [bm.edges.new((new_verts[i], new_verts[i + 1])) for i in range(len(new_verts) - 1)]
+            if is_closed:
+                bm.edges.new((new_verts[len(new_verts) - 1], new_verts[0]))

        bm.verts.index_update()
        bm.edges.index_update()
@@ -22,16 +22,13 @@ from typing import TYPE_CHECKING
 import bpy
 from bpy.types import PropertyGroup

+from bonsai.bim.module.model.data import AuthoringData
+

 class BIMCadProperties(PropertyGroup):
    resolution: bpy.props.IntProperty(name="Arc Resolution", min=1, default=1)
    radius: bpy.props.FloatProperty(name="Radius", default=0.1, subtype="DISTANCE")
    distance: bpy.props.FloatProperty(name="Distance", default=0.1, subtype="DISTANCE")
-    copy: bpy.props.BoolProperty(
-        name="Copy",
-        description="Create a new offset copy of the geometry. If disabled, move the existing edges to the offset location",
-        default=True,
-    )
    x: bpy.props.FloatProperty(name="X", default=0.2, subtype="DISTANCE")
    y: bpy.props.FloatProperty(name="Y", default=0.1, subtype="DISTANCE")
    gable_roof_edge_angle: bpy.props.FloatProperty(
@@ -42,7 +39,6 @@ class BIMCadProperties(PropertyGroup):
        resolution: int
        radius: float
        distance: float
-        copy: bool
        x: float
        y: float
        gable_roof_edge_angle: float
@@ -20,10 +20,12 @@ import os
 from functools import partial

 import bpy
+import ifcopenshell.util.unit
 from bpy.types import WorkSpaceTool

+import bonsai.bim.module.type.prop as type_prop
 import bonsai.tool as tool
-from bonsai.bim.module.model.data import RailingData, RoofData
+from bonsai.bim.module.model.data import AuthoringData, RailingData, RoofData


 def load_custom_icons():
@@ -106,37 +108,23 @@ class CadTool(WorkSpaceTool):
                    )

            row = layout.row(align=True)
-            add_layout_hotkey_operator(
-                row, "Extend", "S_E", bpy.ops.bim.cad_trim_extend.__doc__.split("\n", 1)[1].strip(), ui_context
-            )
+            add_layout_hotkey_operator(row, "Extend", "S_E", "Extends/reduces element to 3D cursor", ui_context)
            row = row if ui_context == "TOOL_HEADER" else layout.row(align=True)
            add_layout_hotkey_operator(
-                row, "Join", "S_T", bpy.ops.bim.cad_mitre.__doc__.split("\n", 1)[1].strip(), ui_context
+                row, "Join", "S_T", "Joins two non-parallel paths at their intersection", ui_context
            )
            row = row if ui_context == "TOOL_HEADER" else layout.row(align=True)
-            add_layout_hotkey_operator(
-                row, "Fillet", "S_F", bpy.ops.bim.add_ifcarcindex_fillet.__doc__.split("\n", 1)[1].strip(), ui_context
-            )
+            add_layout_hotkey_operator(row, "Fillet", "S_F", bpy.ops.bim.add_ifcarcindex_fillet.__doc__, ui_context)
            row = row if ui_context == "TOOL_HEADER" else layout.row(align=True)
-            add_layout_hotkey_operator(
-                row, "Offset", "S_O", bpy.ops.bim.cad_offset.__doc__.split("\n", 1)[1].strip(), ui_context
-            )
+            add_layout_hotkey_operator(row, "Offset", "S_O", bpy.ops.bim.cad_offset.__doc__, ui_context)
            row = row if ui_context == "TOOL_HEADER" else layout.row(align=True)
-            add_layout_hotkey_operator(
-                row, "Rectangle", "S_R", bpy.ops.bim.add_rectangle.__doc__.split("\n", 1)[1].strip(), ui_context
-            )
+            add_layout_hotkey_operator(row, "Rectangle", "S_R", bpy.ops.bim.add_rectangle.__doc__, ui_context)
            row = row if ui_context == "TOOL_HEADER" else layout.row(align=True)
-            add_layout_hotkey_operator(
-                row, "Circle", "S_C", bpy.ops.bim.add_ifccircle.__doc__.split("\n", 1)[1].strip(), ui_context
-            )
+            add_layout_hotkey_operator(row, "Circle", "S_C", bpy.ops.bim.add_ifccircle.__doc__, ui_context)
            row = row if ui_context == "TOOL_HEADER" else layout.row(align=True)
-            add_layout_hotkey_operator(
-                row, "3-Point Arc", "S_V", bpy.ops.bim.set_arc_index.__doc__.split("\n", 1)[1].strip(), ui_context
-            )
+            add_layout_hotkey_operator(row, "3-Point Arc", "S_V", bpy.ops.bim.set_arc_index.__doc__, ui_context)
            row = row if ui_context == "TOOL_HEADER" else layout.row(align=True)
-            add_layout_hotkey_operator(
-                row, "Reset Vertex", "S_X", bpy.ops.bim.reset_vertex.__doc__.split("\n", 1)[1].strip(), ui_context
-            )
+            add_layout_hotkey_operator(row, "Reset Vertex", "S_X", bpy.ops.bim.reset_vertex.__doc__, ui_context)

        elif (
            isinstance(data, tool.Geometry.TYPES_WITH_MESH_PROPERTIES)
@@ -146,21 +134,15 @@ class CadTool(WorkSpaceTool):
                layout, "Edit Axis", "bim.edit_extrusion_axis", "bim.disable_editing_extrusion_axis", ui_context
            )
            row = layout.row(align=True)
-            add_layout_hotkey_operator(
-                row, "Extend", "S_E", bpy.ops.bim.cad_trim_extend.__doc__.split("\n", 1)[1].strip(), ui_context
-            )
+            add_layout_hotkey_operator(row, "Extend", "S_E", "Extends/reduces element to 3D cursor", ui_context)
            row = row if ui_context == "TOOL_HEADER" else layout.row(align=True)
            add_layout_hotkey_operator(
-                row, "Join", "S_T", bpy.ops.bim.cad_mitre.__doc__.split("\n", 1)[1].strip(), ui_context
+                row, "Join", "S_T", "Joins two non-parallel paths at their intersection", ui_context
            )
            row = row if ui_context == "TOOL_HEADER" else layout.row(align=True)
-            add_layout_hotkey_operator(
-                row, "Fillet", "S_F", bpy.ops.bim.cad_fillet.__doc__.split("\n", 1)[1].strip(), ui_context
-            )
+            add_layout_hotkey_operator(row, "Fillet", "S_F", bpy.ops.bim.cad_fillet.__doc__, ui_context)
            row = row if ui_context == "TOOL_HEADER" else layout.row(align=True)
-            add_layout_hotkey_operator(
-                row, "Offset", "S_O", bpy.ops.bim.cad_offset.__doc__.split("\n", 1)[1].strip(), ui_context
-            )
+            add_layout_hotkey_operator(row, "Offset", "S_O", bpy.ops.bim.cad_offset.__doc__, ui_context)

        else:
            if (
@@ -188,37 +170,19 @@ class CadTool(WorkSpaceTool):
                add_layout_hotkey_operator(row, "Set Gable Roof Angle", "S_R", "Set Gable Roof Angle", ui_context)

            row = layout.row(align=True)
-            add_layout_hotkey_operator(
-                row, "Extend", "S_E", bpy.ops.bim.cad_trim_extend.__doc__.split("\n", 1)[1].strip(), ui_context
-            )
+            add_layout_hotkey_operator(row, "Extend", "S_E", "Extends/reduces element to 3D cursor", ui_context)
            row = row if ui_context == "TOOL_HEADER" else layout.row(align=True)
            add_layout_hotkey_operator(
-                row, "Join", "S_T", bpy.ops.bim.cad_mitre.__doc__.split("\n", 1)[1].strip(), ui_context
+                row, "Join", "S_T", "Joins two non-parallel paths at their intersection", ui_context
            )
            row = row if ui_context == "TOOL_HEADER" else layout.row(align=True)
-            add_layout_hotkey_operator(
-                row, "Fillet", "S_F", bpy.ops.bim.add_ifcarcindex_fillet.__doc__.split("\n", 1)[1].strip(), ui_context
-            )
+            add_layout_hotkey_operator(row, "Fillet", "S_F", bpy.ops.bim.add_ifcarcindex_fillet.__doc__, ui_context)
            row = row if ui_context == "TOOL_HEADER" else layout.row(align=True)
-            add_layout_hotkey_operator(
-                row, "Offset", "S_O", bpy.ops.bim.cad_offset.__doc__.split("\n", 1)[1].strip(), ui_context
-            )
+            add_layout_hotkey_operator(row, "Offset", "S_O", bpy.ops.bim.cad_offset.__doc__, ui_context)
            row = row if ui_context == "TOOL_HEADER" else layout.row(align=True)
-            add_layout_hotkey_operator(
-                row,
-                "2-Point Arc",
-                "S_C",
-                bpy.ops.bim.cad_arc_from_2_points.__doc__.split("\n", 1)[1].strip(),
-                ui_context,
-            )
+            add_layout_hotkey_operator(row, "2-Point Arc", "S_C", bpy.ops.bim.cad_arc_from_2_points.__doc__, ui_context)
            row = row if ui_context == "TOOL_HEADER" else layout.row(align=True)
-            add_layout_hotkey_operator(
-                row,
-                "3-Point Arc",
-                "S_V",
-                bpy.ops.bim.cad_arc_from_3_points.__doc__.split("\n", 1)[1].strip(),
-                ui_context,
-            )
+            add_layout_hotkey_operator(row, "3-Point Arc", "S_V", bpy.ops.bim.cad_arc_from_3_points.__doc__, ui_context)


 class CadHotkey(bpy.types.Operator):
@@ -256,8 +220,6 @@ class CadHotkey(bpy.types.Operator):
        elif self.hotkey == "S_O":
            row = self.layout.row()
            row.prop(props, "distance")
-            row = self.layout.row()
-            row.prop(props, "copy")

        elif self.hotkey == "S_R":
            if tool.Geometry.is_profile_object_active():
@@ -293,7 +255,7 @@ class CadHotkey(bpy.types.Operator):
            bpy.ops.bim.cad_fillet(resolution=self.props.resolution, radius=self.props.radius)

    def hotkey_S_O(self):
-        bpy.ops.bim.cad_offset(distance=self.props.distance, copy=self.props.copy)
+        bpy.ops.bim.cad_offset(distance=self.props.distance)

    def hotkey_S_Q(self):
        obj = bpy.context.active_object
@@ -18,6 +18,9 @@

 import json

+import bpy
+import ifcopenshell.util.element
+
 import bonsai.tool as tool


@@ -17,6 +17,7 @@
 # along with Bonsai.  If not, see <http://www.gnu.org/licenses/>.

 import blf
+import bmesh
 import gpu
 from bpy.types import SpaceView3D
 from bpy_extras.view3d_utils import location_3d_to_region_2d
@@ -18,13 +18,16 @@

 import json
 import logging
+import os
 import tempfile
 from math import radians
 from pathlib import Path
 from typing import TYPE_CHECKING

+import bmesh
 import bpy
 import ifcopenshell
+import numpy as np
 from bpy_extras.io_utils import ExportHelper, ImportHelper
 from mathutils import Matrix, Vector

@@ -201,10 +204,16 @@ class ExecuteIfcClash(bpy.types.Operator, ExportHelper):
        "ALT+click to run a quick clash without selecting a file to save."
    )

-    filter_glob: bpy.props.StringProperty(default="*.bcf;*.json", options={"HIDDEN"})
-    format: bpy.props.EnumProperty(name="Format", items=[(i, i, "") for i in ("bcf", "json")])
-    filepath: bpy.props.StringProperty(subtype="FILE_PATH", options={"SKIP_SAVE"})
-    quick_clash: bpy.props.BoolProperty(
+    filter_glob: bpy.props.StringProperty(  # pyright: ignore[reportRedeclaration]
+        default="*.bcf;*.json", options={"HIDDEN"}
+    )
+    format: bpy.props.EnumProperty(  # pyright: ignore[reportRedeclaration]
+        name="Format", items=[(i, i, "") for i in ("bcf", "json")]
+    )
+    filepath: bpy.props.StringProperty(  # pyright: ignore[reportRedeclaration]
+        subtype="FILE_PATH", options={"SKIP_SAVE"}
+    )
+    quick_clash: bpy.props.BoolProperty(  # pyright: ignore[reportRedeclaration]
        options={"SKIP_SAVE"},
    )

@@ -451,7 +460,9 @@ class HideClash(bpy.types.Operator):

    def execute(self, context):
        ClashDecorator.uninstall()
-        tool.Blender.update_all_viewports(context)
+        for area in context.screen.areas:
+            if area.type == "VIEW_3D":
+                area.tag_redraw()
        return {"FINISHED"}


@@ -26,6 +26,7 @@ from bpy.props import (
    FloatProperty,
    FloatVectorProperty,
    IntProperty,
+    PointerProperty,
    StringProperty,
 )
 from bpy.types import PropertyGroup
@@ -33,16 +34,16 @@ from ifcopenshell.geom.main import CLASH_TYPE_ITEMS, ClashType
 from mathutils import Vector

 import bonsai.tool as tool
-from bonsai.bim.prop import BIMFilterGroup, StrProperty
+from bonsai.bim.prop import Attribute, BIMFilterGroup, StrProperty


 class ClashSource(PropertyGroup):
-    name: StringProperty(
+    name: StringProperty(  # pyright: ignore[reportRedeclaration]
        name="File",
        description="Absolute filepath to existing .ifc file to use as a clash source.",
    )
-    filter_groups: CollectionProperty(type=BIMFilterGroup, name="Filter Groups")
-    mode: EnumProperty(
+    filter_groups: CollectionProperty(type=BIMFilterGroup, name="Filter Groups")  # pyright: ignore[reportRedeclaration]
+    mode: EnumProperty(  # pyright: ignore[reportRedeclaration]
        items=[
            ("a", "All Elements", "All elements will be used for clashing"),
            ("i", "Include", "Only the selected elements are included for clashing"),
@@ -62,7 +63,7 @@ class Clash(PropertyGroup):
    b_global_id: StringProperty(name="B")
    a_name: StringProperty(name="A Name")
    b_name: StringProperty(name="B Name")
-    clash_type: EnumProperty(
+    clash_type: EnumProperty(  # pyright: ignore[reportRedeclaration]
        name="Clash Type",
        items=tuple((i, i, "") for i in CLASH_TYPE_ITEMS),
    )
@@ -18,6 +18,7 @@

 import bpy
 import ifcopenshell
+import ifcopenshell.api
 import ifcopenshell.api.classification
 import ifcopenshell.api.pset
 import ifcopenshell.util.classification
@@ -23,7 +23,10 @@ from bpy.props import (
    BoolProperty,
    CollectionProperty,
    EnumProperty,
+    FloatProperty,
+    FloatVectorProperty,
    IntProperty,
+    PointerProperty,
    StringProperty,
 )
 from bpy.types import PropertyGroup
@@ -25,6 +25,7 @@ import ifcopenshell.util.classification
 from bpy.types import Panel, UIList

 import bonsai.bim.helper
+import bonsai.bim.module.classification.prop as classification_prop
 import bonsai.tool as tool
 from bonsai.bim.module.classification.data import (
    ClassificationsData,
@@ -19,6 +19,7 @@
 from typing import TYPE_CHECKING

 import bpy
+import ifcopenshell.api
 import ifcopenshell.api.constraint

 import bonsai.bim.helper
@@ -20,13 +20,19 @@ from typing import TYPE_CHECKING, Literal

 import bpy
 from bpy.props import (
+    BoolProperty,
    CollectionProperty,
    EnumProperty,
+    FloatProperty,
+    FloatVectorProperty,
    IntProperty,
+    PointerProperty,
    StringProperty,
 )
 from bpy.types import PropertyGroup
+from ifcopenshell.util.doc import get_entity_doc

+import bonsai.tool as tool
 from bonsai.bim.module.constraint.data import ConstraintsData
 from bonsai.bim.prop import Attribute

@@ -18,6 +18,7 @@

 from typing import Any

+import bpy
 import ifcopenshell

 import bonsai.tool as tool
@@ -20,13 +20,19 @@ from typing import TYPE_CHECKING

 import bpy
 from bpy.props import (
+    BoolProperty,
    CollectionProperty,
    EnumProperty,
+    FloatProperty,
+    FloatVectorProperty,
    IntProperty,
+    PointerProperty,
+    StringProperty,
 )
 from bpy.types import PropertyGroup

-from bonsai.bim.prop import Attribute
+from bonsai.bim.module.context.data import ContextData
+from bonsai.bim.prop import Attribute, StrProperty


 class BIMContextProperties(PropertyGroup):
@@ -18,11 +18,13 @@

 from typing import Any, Union

+import bpy
 import ifcopenshell
 import ifcopenshell.util.cost
 import ifcopenshell.util.date
 import ifcopenshell.util.element
 import ifcopenshell.util.unit
+from ifcopenshell.util.doc import get_entity_doc, get_predefined_type_doc

 import bonsai.tool as tool

@@ -87,7 +87,7 @@ class CopyCostSchedule(bpy.types.Operator, tool.Ifc.Operator):
    bl_label = "Copy Cost Schedule"
    bl_description = "Create a duplicate of the provided cost schedule."
    bl_options = {"REGISTER", "UNDO"}
-    cost_schedule: bpy.props.IntProperty()
+    cost_schedule: bpy.props.IntProperty()  # pyright: ignore[reportRedeclaration]

    if TYPE_CHECKING:
        cost_schedule: int
@@ -987,10 +987,10 @@ class ExportCostSchedulesToPDF(bpy.types.Operator, ExportHelper):
    @classmethod
    def poll(cls, context):
        try:
-            import typst  # noqa: F401
+            import typst

            return True
-        except ModuleNotFoundError:
+        except:
            cls.poll_message_set(
                "Typst not available.\nIt can be installed from Quality and\nControl -> Debug and using 'typst' with Pip Install.\n(Run Blender as Administrator)"
            )
@@ -19,13 +19,16 @@
 from typing import TYPE_CHECKING, Literal, Union

 import bpy
+import ifcopenshell.api
 import ifcopenshell.api.cost
 from bpy.props import (
    BoolProperty,
    CollectionProperty,
    EnumProperty,
    FloatProperty,
+    FloatVectorProperty,
    IntProperty,
+    PointerProperty,
    StringProperty,
 )
 from bpy.types import PropertyGroup
@@ -26,11 +26,10 @@ from bpy.types import Panel, UIList
 import bonsai.bim.helper
 import bonsai.bim.module.cost.prop as CostProp
 import bonsai.tool as tool
-from bonsai.bim.module.cost.data import CostItem, CostSchedulesData
+from bonsai.bim.module.cost.data import CostSchedulesData

 if TYPE_CHECKING:
    from bonsai.bim.module.cost.prop import BIMCostProperties, CostItemQuantity
-    from bonsai.bim.prop import StrProperty


 class BIM_PT_cost_schedules(Panel):
@@ -399,8 +398,8 @@ class BIM_PT_cost_item_types(Panel):
        op = row2.operator("bim.calculate_cost_item_resource_value", text="", icon="DISC")
        op.cost_item = cost_item.ifc_definition_id

+        rtprops = context.scene.BIMResourceTreeProperties
        rprops = tool.Resource.get_resource_props()
-        rtprops = rprops.tree
        if rtprops.resources and rprops.active_resource_index < len(rtprops.resources):
            if has_quantity_names:
                op = row2.operator("bim.assign_cost_item_quantity", text="", icon="PROPERTIES")
@@ -662,18 +661,9 @@ class BIM_UL_cost_items_trait:
        split2.alignment = "LEFT"
        split2.label(text="Rate")

-    def draw_item(
-        self,
-        context,
-        layout: bpy.types.UILayout,
-        data: BIMCostProperties,
-        item: CostProp.CostItem,
-        icon,
-        active_data,
-        active_propname,
-    ) -> None:
+    def draw_item(self, context, layout, data, item, icon, active_data, active_propname):
        if item:
-            self.props = data
+            self.props = tool.Cost.get_cost_props()
            cost_item = CostSchedulesData.data["cost_items"][item.ifc_definition_id]
            row = layout.row(align=True)

@@ -704,7 +694,7 @@ class BIM_UL_cost_items_trait:

            # TODO: reimplement "bim.copy_cost_item_values" somewhere with better UX

-    def draw_parent_operator(self, row: bpy.types.UILayout, cost_item_id: int) -> None:
+    def draw_parent_operator(self, row, cost_item_id):
        if self.props.active_cost_item_id:
            if self.props.active_cost_item_id != cost_item_id:
                op = row.operator("bim.change_parent_cost_item", text="", icon="LINKED", emboss=False).new_parent = (
@@ -713,7 +703,7 @@ class BIM_UL_cost_items_trait:
            else:
                row.label(text="", icon="BLANK1")

-    def draw_hierarchy(self, row: bpy.types.UILayout, item: CostProp.CostItem) -> None:
+    def draw_hierarchy(self, row, item):
        for i in range(0, item.level_index):
            row.label(text="", icon="BLANK1")
        if item.has_children:
@@ -759,7 +749,7 @@ class BIM_UL_cost_items_trait:
        else:
            row.label(text="-")

-    def draw_value_column(self, layout: bpy.types.UILayout, cost_item: CostItem) -> None:
+    def draw_value_column(self, layout, cost_item):
        if cost_item["TotalAppliedValue"]:
            text = "{0:,.2f}".format(cost_item["TotalAppliedValue"]).replace(",", " ")
            if cost_item["UnitBasisValueComponent"] not in [None, 1]:
@@ -770,13 +760,13 @@ class BIM_UL_cost_items_trait:
        else:
            layout.label(text="-")

-    def draw_total_cost_column(self, layout: bpy.types.UILayout, cost_item: CostItem) -> None:
+    def draw_total_cost_column(self, layout, cost_item):
        format_numbers = "{0:,.2f}".format(cost_item["TotalCost"]).replace(",", " ")
        currency = CostSchedulesData.data["currency"]
        text = "{} {}".format(format_numbers, currency["name"]) if currency else format_numbers
        layout.label(text=text)

-    def draw_order_operator(self, row: bpy.types.UILayout, ifc_definition_id: int, cost_item: CostItem) -> None:
+    def draw_order_operator(self, row, ifc_definition_id, cost_item):
        if cost_item["NestingIndex"] is not None:
            if cost_item["NestingIndex"] == 0:
                op = row.operator("bim.reorder_cost_item_nesting", icon="TRIA_DOWN", text="")
@@ -803,14 +793,12 @@ class BIM_UL_cost_item_rates(BIM_UL_cost_items_trait, UIList):
    def draw_quantity_column(self, layout, cost_item):
        self.draw_uom_column(layout, cost_item)

-    def draw_total_cost_column(self, layout: bpy.types.UILayout, cost_item: CostItem) -> None:
+    def draw_total_cost_column(self, layout, cost_item):
        pass  # No such thing as a total cost in a schedule of rates


 class BIM_UL_cost_columns(UIList):
-    def draw_item(
-        self, context, layout: bpy.types.UILayout, data, item: StrProperty, icon, active_data, active_propname
-    ) -> None:
+    def draw_item(self, context, layout, data, item, icon, active_data, active_propname):
        if item:
            row = layout.row(align=True)
            row.prop(item, "name", emboss=False, text="")
@@ -818,17 +806,9 @@ class BIM_UL_cost_columns(UIList):


 class BIM_UL_cost_item_types(UIList):
-    def draw_item(
-        self,
-        context,
-        layout: bpy.types.UILayout,
-        data: BIMCostProperties,
-        item: CostProp.CostItemType,
-        icon,
-        active_data,
-        active_propname,
-    ) -> None:
-        cost_item = data.cost_items[data.active_cost_item_index]
+    def draw_item(self, context, layout, data, item, icon, active_data, active_propname):
+        props = tool.Cost.get_cost_props()
+        cost_item = props.cost_items[props.active_cost_item_index]

        if item:
            row = layout.row(align=True)
@@ -864,16 +844,7 @@ class BIM_UL_cost_item_quantities(UIList):


 class BIM_UL_product_cost_items(UIList):
-    def draw_item(
-        self,
-        context,
-        layout: bpy.types.UILayout,
-        data,
-        item: CostItemQuantity,
-        icon,
-        active_data,
-        active_propname,
-    ) -> None:
+    def draw_item(self, context, layout, data, item, icon, active_data, active_propname):
        if item:
            row = layout.row(align=True)
            op = row.operator("bim.highlight_product_cost_item", text="", icon="STYLUS_PRESSURE")
@@ -21,6 +21,7 @@ import os
 from functools import partial

 import bpy
+import ifcopenshell
 from bpy.types import WorkSpaceTool

 import bonsai.tool as tool
@@ -20,6 +20,7 @@ import json
 from math import atan2, degrees

 import bpy
+import ifcopenshell
 import ifcopenshell.util.element

 import bonsai.tool as tool
@@ -19,10 +19,14 @@
 from __future__ import annotations

 import json
+import logging
+import os
+import tempfile
 from collections import Counter
 from typing import TYPE_CHECKING

 import bpy
+import ifccsv
 import ifcopenshell
 import ifcopenshell.util.selector
 from bpy_extras.io_utils import ExportHelper, ImportHelper
@@ -23,11 +23,15 @@ from bpy.props import (
    BoolProperty,
    CollectionProperty,
    EnumProperty,
+    FloatProperty,
+    FloatVectorProperty,
+    IntProperty,
+    PointerProperty,
    StringProperty,
 )
 from bpy.types import PropertyGroup

-from bonsai.bim.prop import BIMFilterGroup
+from bonsai.bim.prop import BIMFilterGroup, StrProperty


 class CsvAttribute(PropertyGroup):
@@ -29,6 +29,7 @@ from typing import TYPE_CHECKING, Any, Literal, Union, assert_never, get_args

 import bpy
 import ifcopenshell
+import ifcopenshell.api
 import ifcopenshell.api.pset
 import ifcopenshell.geom
 import ifcopenshell.ifcopenshell_wrapper as W
@@ -260,14 +261,14 @@ class CreateAllShapes(bpy.types.Operator):
    )
    bl_options = {"REGISTER"}

-    geometry_library: bpy.props.EnumProperty(
+    geometry_library: bpy.props.EnumProperty(  # pyright: ignore[reportRedeclaration]
        name="Geometry Library",
        description="Geometry library to use for testing shape creation.",
        items=[(i, i, "") for i in get_args(ifcopenshell.geom.GEOMETRY_LIBRARY)],
        # By default use the same library as used for importing ifc project.
        default="hybrid-cgal-simple-opencascade",
    )
-    custom_geometry_library: bpy.props.StringProperty(
+    custom_geometry_library: bpy.props.StringProperty(  # pyright: ignore[reportRedeclaration]
        name="Custom Geometry Library",
        description="Provide a custom geometry library name, will override the 'geometry library' property.",
    )
@@ -781,7 +782,7 @@ class PurgeUnusedObjects(bpy.types.Operator, tool.Ifc.Operator):
    bl_label = "Purge Unused Objects"
    bl_options = {"REGISTER", "UNDO"}

-    object_type: bpy.props.EnumProperty(
+    object_type: bpy.props.EnumProperty(  # pyright: ignore[reportRedeclaration]
        name="Object Type",
        items=((s, s.capitalize(), "") for s in get_args(tool.Debug.PurgeMergeObjectType)),
    )
@@ -827,7 +828,7 @@ class MergeIdenticalObjects(bpy.types.Operator, tool.Ifc.Operator):
    )
    bl_options = {"REGISTER", "UNDO"}

-    object_type: bpy.props.EnumProperty(
+    object_type: bpy.props.EnumProperty(  # pyright: ignore[reportRedeclaration]
        name="Object Type",
        items=((s, s.capitalize(), "") for s in get_args(tool.Debug.PurgeMergeObjectType)),
    )
@@ -1073,7 +1074,7 @@ class ChangeLogLevel(bpy.types.Operator):
    bl_options = {"REGISTER"}
    bl_description = "Change general log level across all Python code in Blender"

-    log_level: bpy.props.EnumProperty(
+    log_level: bpy.props.EnumProperty(  # pyright: ignore[reportRedeclaration]
        name="Log Level",
        items=[(i, i, "") for i in get_args(LogLevelType)],
        default="WARNING",
--- a/Show More
+++ b/Show More
@@ -1 +1 @@
 .8.6
 .8.5