Fix null reference bind in header parsing

references_to_resolve is never set while parsing header entities, so binding a reference to it was UB, caught by UBSan on any file with a header. Generated with the assistance of an AI coding tool.
2026-08-21 12:36:00 +00:00 · 2026-07-18 00:39:25 +01:00
289 changed files with 1073 additions and 6747 deletions
@@ -21,12 +21,12 @@ jobs:

    steps:
      - name: Checkout Repository
-        uses: actions/checkout@v7
+        uses: actions/checkout@v6
        with:
          submodules: recursive

      - name: Checkout Build Repository
-        uses: actions/checkout@v7
+        uses: actions/checkout@v6
        with:
          repository: IfcOpenShell/build-outputs
          path: ./build
@@ -9,13 +9,13 @@ jobs:

    steps:
      - name: Checkout Repository
-        uses: actions/checkout@v7
+        uses: actions/checkout@v6
        with:
          submodules: recursive
          path: IfcOpenShell

      - name: Checkout Build Repository
-        uses: actions/checkout@v7
+        uses: actions/checkout@v6
        with:
          repository: IfcOpenShell/build-outputs
          path: ifcopenshell_build
@@ -35,12 +35,12 @@ jobs:
          aws --version

      - name: Checkout Repository
-        uses: actions/checkout@v7
+        uses: actions/checkout@v6
        with:
          submodules: recursive

      - name: Checkout Build Repository
-        uses: actions/checkout@v7
+        uses: actions/checkout@v6
        with:
          repository: IfcOpenShell/build-outputs
          path: ./build
@@ -35,12 +35,12 @@ jobs:
          aws --version

      - name: Checkout Repository
-        uses: actions/checkout@v7
+        uses: actions/checkout@v6
        with:
          submodules: recursive

      - name: Checkout Build Repository
-        uses: actions/checkout@v7
+        uses: actions/checkout@v6
        with:
          repository: IfcOpenShell/build-outputs
          path: ./build
@@ -27,12 +27,12 @@ jobs:

    steps:
      - name: Checkout Repository
-        uses: actions/checkout@v7
+        uses: actions/checkout@v6
        with:
          submodules: recursive

      - name: Checkout Build Repository
-        uses: actions/checkout@v7
+        uses: actions/checkout@v6
        with:
          repository: IfcOpenShell/build-outputs
          path: ${{ matrix.deps_dir }}
@@ -19,8 +19,8 @@ jobs:
    strategy:
      fail-fast: false
    steps:
-      - uses: actions/checkout@v7 # https://github.com/actions/checkout
-      - uses: actions/setup-python@v7 # https://github.com/actions/setup-python
+      - uses: actions/checkout@v6 # https://github.com/actions/checkout
+      - uses: actions/setup-python@v6 # https://github.com/actions/setup-python
        with:
          python-version: '3.11' # Version range or exact version of a Python version to use, using SemVer's version range syntax
          architecture: 'x64' # optional x64 or x86. Defaults to x64 if not specified
@@ -34,7 +34,7 @@ jobs:
    strategy:
      fail-fast: false
    steps:
-      - uses: actions/checkout@v7
+      - uses: actions/checkout@v6
        with:
          fetch-tags: true
          fetch-depth: 0
@@ -65,8 +65,8 @@ jobs:
            config:
              short_name: macos
    steps:
-      - uses: actions/checkout@v7
-      - uses: actions/setup-python@v7 # https://github.com/actions/setup-python
+      - uses: actions/checkout@v6
+      - uses: actions/setup-python@v6 # https://github.com/actions/setup-python
        with:
          architecture: 'x64' # optional x64 or x86. Defaults to x64 if not specified
          python-version: '3.11'
@@ -98,7 +98,7 @@ jobs:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout bonsai_unstable_repo repository
-        uses: actions/checkout@v7
+        uses: actions/checkout@v6
        with:
          repository: IfcOpenShell/bonsai_unstable_repo
          token: ${{ secrets.IFCOPENBOT_TOKEN }}
@@ -48,8 +48,8 @@ jobs:
            config:
              short_name: macos
    steps:
-      - uses: actions/checkout@v7
-      - uses: actions/setup-python@v7 # https://github.com/actions/setup-python
+      - uses: actions/checkout@v6
+      - uses: actions/setup-python@v6 # https://github.com/actions/setup-python
        with:
          architecture: 'x64' # optional x64 or x86. Defaults to x64 if not specified
          python-version: '3.11'
@@ -18,8 +18,8 @@ jobs:
    strategy:
      fail-fast: false
    steps:
-      - uses: actions/checkout@v7
-      - uses: actions/setup-python@v7 # https://github.com/actions/setup-python
+      - uses: actions/checkout@v6
+      - uses: actions/setup-python@v6 # https://github.com/actions/setup-python
        with:
          python-version: '3.11' # Version range or exact version of a Python version to use, using SemVer's version range syntax
      - name: Compile
@@ -18,8 +18,8 @@ jobs:
    strategy:
      fail-fast: false
    steps:
-      - uses: actions/checkout@v7
-      - uses: actions/setup-python@v7 # https://github.com/actions/setup-python
+      - uses: actions/checkout@v6
+      - uses: actions/setup-python@v6 # https://github.com/actions/setup-python
        with:
          python-version: '3.11' # Version range or exact version of a Python version to use, using SemVer's version range syntax
      - name: Compile
@@ -18,8 +18,8 @@ jobs:
    strategy:
      fail-fast: false
    steps:
-      - uses: actions/checkout@v7
-      - uses: actions/setup-python@v7 # https://github.com/actions/setup-python
+      - uses: actions/checkout@v6
+      - uses: actions/setup-python@v6 # https://github.com/actions/setup-python
        with:
          python-version: '3.11' # Version range or exact version of a Python version to use, using SemVer's version range syntax
      - name: Compile
@@ -18,8 +18,8 @@ jobs:
    strategy:
      fail-fast: false
    steps:
-      - uses: actions/checkout@v7
-      - uses: actions/setup-python@v7 # https://github.com/actions/setup-python
+      - uses: actions/checkout@v6
+      - uses: actions/setup-python@v6 # https://github.com/actions/setup-python
        with:
          python-version: '3.11' # Version range or exact version of a Python version to use, using SemVer's version range syntax
      - name: Compile
@@ -18,8 +18,8 @@ jobs:
    strategy:
      fail-fast: false
    steps:
-      - uses: actions/checkout@v7
-      - uses: actions/setup-python@v7 # https://github.com/actions/setup-python
+      - uses: actions/checkout@v6
+      - uses: actions/setup-python@v6 # https://github.com/actions/setup-python
        with:
          python-version: '3.11' # Version range or exact version of a Python version to use, using SemVer's version range syntax
      - name: Compile
@@ -37,8 +37,8 @@ jobs:
            short_name: macosm164
          }
    steps:
-      - uses: actions/checkout@v7
-      - uses: actions/setup-python@v7 # https://github.com/actions/setup-python
+      - uses: actions/checkout@v6
+      - uses: actions/setup-python@v6 # https://github.com/actions/setup-python
        with:
          python-version: '3.11' # Version range or exact version of a Python version to use, using SemVer's version range syntax
          architecture: 'x64' # optional x64 or x86. Defaults to x64 if not specified
@@ -18,8 +18,8 @@ jobs:
    strategy:
      fail-fast: false
    steps:
-      - uses: actions/checkout@v7
-      - uses: actions/setup-python@v7 # https://github.com/actions/setup-python
+      - uses: actions/checkout@v6
+      - uses: actions/setup-python@v6 # https://github.com/actions/setup-python
        with:
          python-version: '3.11' # Version range or exact version of a Python version to use, using SemVer's version range syntax
      - name: Compile
@@ -18,8 +18,8 @@ jobs:
    strategy:
      fail-fast: false
    steps:
-      - uses: actions/checkout@v7
-      - uses: actions/setup-python@v7 # https://github.com/actions/setup-python
+      - uses: actions/checkout@v6
+      - uses: actions/setup-python@v6 # https://github.com/actions/setup-python
        with:
          python-version: '3.11' # Version range or exact version of a Python version to use, using SemVer's version range syntax
      - name: Compile
@@ -18,8 +18,8 @@ jobs:
    strategy:
      fail-fast: false
    steps:
-      - uses: actions/checkout@v7
-      - uses: actions/setup-python@v7
+      - uses: actions/checkout@v6
+      - uses: actions/setup-python@v6
        with:
          python-version: '3.11'
      - name: Compile
@@ -18,8 +18,8 @@ jobs:
    strategy:
      fail-fast: false
    steps:
-      - uses: actions/checkout@v7
-      - uses: actions/setup-python@v7 # https://github.com/actions/setup-python
+      - uses: actions/checkout@v6
+      - uses: actions/setup-python@v6 # https://github.com/actions/setup-python
        with:
          python-version: '3.11' # Version range or exact version of a Python version to use, using SemVer's version range syntax
      - name: Compile
@@ -18,8 +18,8 @@ jobs:
    strategy:
      fail-fast: false
    steps:
-      - uses: actions/checkout@v7
-      - uses: actions/setup-python@v7
+      - uses: actions/checkout@v6
+      - uses: actions/setup-python@v6
        with:
          python-version: '3.11'
      - name: Compile
@@ -21,7 +21,7 @@ jobs:
      date: ${{ steps.date.outputs.date }}
      verdate: ${{ steps.verdate.outputs.verdate }}
    steps:
-      - uses: actions/checkout@v7
+      - uses: actions/checkout@v6
      - name: Set env
        run: echo ok go
      
@@ -75,7 +75,7 @@ jobs:
            echo "ARTIFACTS_DIR=/home/runner/work/artifacts" >> $GITHUB_ENV
          fi
      
-      - uses: actions/checkout@v7
+      - uses: actions/checkout@v6
        with:
          submodules: recursive

@@ -21,7 +21,7 @@ jobs:
    runs-on: ubuntu-22.04
    needs: activate
    steps:
-    - uses: actions/checkout@v7
+    - uses: actions/checkout@v6
      with:
        submodules: recursive

@@ -86,7 +86,7 @@ jobs:
    name: Docker Build, Tag, Push

    steps:
-    - uses: actions/checkout@v7
+    - uses: actions/checkout@v6
      with:
        lfs: true
    
@@ -47,10 +47,10 @@ jobs:
            short_name: macosm164
          }
    steps:
-      - uses: actions/checkout@v7
+      - uses: actions/checkout@v6
        with:
          submodules: recursive
-      - uses: actions/setup-python@v7 # https://github.com/actions/setup-python
+      - uses: actions/setup-python@v6 # https://github.com/actions/setup-python
        with:
          python-version: '3.11' # Version range or exact version of a Python version to use, using SemVer's version range syntax
          architecture: 'x64' # optional x64 or x86. Defaults to x64 if not specified
@@ -38,10 +38,10 @@ jobs:
            short_name: macosm164
          }
    steps:
-      - uses: actions/checkout@v7
+      - uses: actions/checkout@v6
        with:
          submodules: recursive
-      - uses: actions/setup-python@v7 # https://github.com/actions/setup-python
+      - uses: actions/setup-python@v6 # https://github.com/actions/setup-python
        with:
          python-version: '3.11' # Version range or exact version of a Python version to use, using SemVer's version range syntax
          architecture: 'x64' # optional x64 or x86. Defaults to x64 if not specified
@@ -18,8 +18,8 @@ jobs:
    strategy:
      fail-fast: false
    steps:
-      - uses: actions/checkout@v7
-      - uses: actions/setup-python@v7 # https://github.com/actions/setup-python
+      - uses: actions/checkout@v6
+      - uses: actions/setup-python@v6 # https://github.com/actions/setup-python
        with:
          python-version: '3.11' # Version range or exact version of a Python version to use, using SemVer's version range syntax
      - name: Compile
@@ -18,8 +18,8 @@ jobs:
    strategy:
      fail-fast: false
    steps:
-      - uses: actions/checkout@v7
-      - uses: actions/setup-python@v7
+      - uses: actions/checkout@v6
+      - uses: actions/setup-python@v6
        with:
          python-version: '3.11'
      - name: Compile
@@ -25,8 +25,8 @@ jobs:
    strategy:
      fail-fast: false
    steps:
-      - uses: actions/checkout@v7
-      - uses: actions/setup-python@v7 # https://github.com/actions/setup-python
+      - uses: actions/checkout@v6
+      - uses: actions/setup-python@v6 # https://github.com/actions/setup-python
        with:
          architecture: 'x64' # optional x64 or x86. Defaults to x64 if not specified
          python-version: '3.11'
@@ -19,8 +19,8 @@ jobs:
    strategy:
      fail-fast: false
    steps:
-      - uses: actions/checkout@v7
-      - uses: actions/setup-python@v7 # https://github.com/actions/setup-python
+      - uses: actions/checkout@v6
+      - uses: actions/setup-python@v6 # https://github.com/actions/setup-python
        with:
          architecture: 'x64' # optional x64 or x86. Defaults to x64 if not specified
          python-version: '3.11'
@@ -10,9 +10,9 @@ jobs:
  publish_website:
    runs-on: ubuntu-22.04
    steps:
-      - uses: actions/checkout@v7
+      - uses: actions/checkout@v6
      - name: Checkout ifctester_org_static_html
-        uses: actions/checkout@v7
+        uses: actions/checkout@v6
        with:
          repository: IfcOpenShell/ifctester_org_static_html
          token: ${{ secrets.IFCOPENBOT_TOKEN }}
@@ -18,8 +18,8 @@ jobs:
    strategy:
      fail-fast: false
    steps:
-      - uses: actions/checkout@v7
-      - uses: actions/setup-python@v7 # https://github.com/actions/setup-python
+      - uses: actions/checkout@v6
+      - uses: actions/setup-python@v6 # https://github.com/actions/setup-python
        with:
          python-version: '3.11' # Version range or exact version of a Python version to use, using SemVer's version range syntax
      - name: Compile
@@ -34,7 +34,7 @@ jobs:
    runs-on: ubuntu-22.04

    steps:
-      - uses: actions/checkout@v7
+      - uses: actions/checkout@v6
        with:
          submodules: recursive

@@ -85,7 +85,7 @@ jobs:
          cmake --build build-ifcopenshell --target install -j "$(nproc)"

      - name: Set up Python 3.11
-        uses: actions/setup-python@v7
+        uses: actions/setup-python@v6
        with:
          python-version: 3.11

@@ -120,7 +120,7 @@ jobs:
          PY

      - name: Set up Python 3.12
-        uses: actions/setup-python@v7
+        uses: actions/setup-python@v6
        with:
          python-version: 3.12

@@ -12,15 +12,15 @@ jobs:
      MIN_BLENDER_PY_VERSION: "3.11"
    steps:
      - name: Action - checkout repository
-        uses: actions/checkout@v7
+        uses: actions/checkout@v6

      - name: Action - install python
-        uses: actions/setup-python@v7
+        uses: actions/setup-python@v6
        with:
          python-version: ${{ env.MIN_IOS_PY_VERSION }}

      - name: Action - install python
-        uses: actions/setup-python@v7
+        uses: actions/setup-python@v6
        with:
          python-version: ${{ env.MIN_BLENDER_PY_VERSION }}

@@ -8,7 +8,7 @@ jobs:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout IfcOpenShell
-        uses: actions/checkout@v7
+        uses: actions/checkout@v6

      - name: Install uv
        uses: astral-sh/setup-uv@v7
@@ -25,7 +25,7 @@ jobs:
          echo "name=$(basename $WHEEL)" >> $GITHUB_OUTPUT

      - name: Checkout wasm-wheels
-        uses: actions/checkout@v7
+        uses: actions/checkout@v6
        with:
          repository: IfcOpenShell/wasm-wheels
          path: wasm-wheels
@@ -43,12 +43,12 @@ jobs:
      CLICOLOR_FORCE: "1"
      CMAKE_COLOR_DIAGNOSTICS: "ON"
    steps:
-      - uses: actions/checkout@v7
+      - uses: actions/checkout@v6
        with:
            submodules: recursive

      - name: Set up Python
-        uses: actions/setup-python@v7
+        uses: actions/setup-python@v6
        with:
          python-version: 3.11

@@ -257,15 +257,13 @@ jobs:
          cd ../ifcdiff && make test || ERROR=1
          cd ../ifcpatch && make test || ERROR=1
          pip install -e ../ifc5d --no-deps
-          pip install odfpy openpyxl
+          pip install odfpy xlsxwriter
          cd ../ifc5d && make test || ERROR=1
          pip install -e ../ifcquery --no-deps
          cd ../ifcquery && make test || ERROR=1
          pip install -e ../ifcedit --no-deps
          cd ../ifcedit && make test || ERROR=1
-          # Pinned <2: mcp 2.0.0 renamed mcp.server.fastmcp.FastMCP to
-          # mcp.server.mcpserver.MCPServer, which ifcmcp doesn't support yet.
-          pip install "mcp>=1.0,<2"
+          pip install mcp
          pip install -e ../ifcmcp --no-deps
          cd ../ifcmcp && make test || ERROR=1
          pip install -e ../ifctester --no-deps
@@ -11,10 +11,10 @@ jobs:

    steps:
      - name: Checkout repository
-        uses: actions/checkout@v7
+        uses: actions/checkout@v6

      - name: Set up Python
-        uses: actions/setup-python@v7
+        uses: actions/setup-python@v6
        with:
          python-version: '3.x'

@@ -27,12 +27,12 @@ jobs:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout (recursive)
-        uses: actions/checkout@v7
+        uses: actions/checkout@v6
        with:
          submodules: recursive
          fetch-depth: 0
      - name: Checkout intermediate Pages repo
-        uses: actions/checkout@v7
+        uses: actions/checkout@v6
        with:
          repository: IfcOpenShell/aichat_ifcopenshell_org_static_html
          ref: gh-pages
@@ -42,7 +42,7 @@ jobs:
        run: |
          rsync -av --delete --exclude='.git/' src/ifcchat/ output/
      - name: Setup Python
-        uses: actions/setup-python@v7
+        uses: actions/setup-python@v6
        with:
          python-version: "3.x"
      - name: Download wheels
@@ -7,7 +7,7 @@ jobs:
  publish:
    runs-on: ubuntu-latest
    steps:
-      - uses: actions/checkout@v7
+      - uses: actions/checkout@v6

      - uses: astral-sh/setup-uv@v7

@@ -27,12 +27,12 @@ jobs:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout (recursive)
-        uses: actions/checkout@v7
+        uses: actions/checkout@v6
        with:
          submodules: recursive
          fetch-depth: 0
      - name: Checkout intermediate Pages repo
-        uses: actions/checkout@v7
+        uses: actions/checkout@v6
        with:
          repository: IfcOpenShell/wasm_ifcopenshell_org_static_html
          ref: gh-pages
@@ -17,7 +17,7 @@ jobs:
    runs-on: ubuntu-22.04
    steps:
      - name: Checkout
-        uses: actions/checkout@v7
+        uses: actions/checkout@v6
        with:
          submodules: recursive
      - name: Install C++ dependencies
@@ -18,7 +18,7 @@ and many other libraries, CLI apps, and more. Support is also provided for auxil

 For more information, see:

-* [IfcOpenShell Website](https://ifcopenshell.org)
+* [IfcOpenShell Website](http://ifcopenshell.org)
 * [IfcOpenShell Documentation](https://docs.ifcopenshell.org)
  * [IfcOpenShell C++ Installation](https://docs.ifcopenshell.org/ifcopenshell/installation.html)
  * [IfcOpenShell Python Installation](https://docs.ifcopenshell.org/ifcopenshell-python/installation.html)
@@ -3,7 +3,7 @@
 <package xmlns="http://schemas.microsoft.com/packaging/2015/06/nuspec.xsd">
  <metadata>
    <id>blenderbim-nightly</id>
-    <version>blenderbim_build_version</version>
+    <version>blenderbim_build_version-alpha</version>
    <packageSourceUrl>https://github.com/IfcOpenShell/IfcOpenShell</packageSourceUrl>
    <owners>fbpyr</owners>
    <!-- == SOFTWARE SPECIFIC SECTION == -->
@@ -3,12 +3,11 @@
 apt update && apt install git wget curl ptpython mono-devel micro
 mkdir -p /home/runner/work/IfcOpenShell && cd /home/runner/work/IfcOpenShell
 git clone https://github.com/IfcOpenShell/IfcOpenShell
-cd /home/runner/work/IfcOpenShell/IfcOpenShell/choco/bonsai/
+cd /home/runner/work/IfcOpenShell/IfcOpenShell/choco/blenderbim/
 micro choco_release.py # paste this script, comment out push command
 export CHOCO_TOKEN="secret_choco_release_token"
 python3 choco_release.py
 """
-
 import datetime
 import hashlib
 import os
@@ -29,7 +28,7 @@ def get_repo_tag_names() -> list[str]:


 def request_repo_info(url: str):
-    req = request.Request(url)
+    req  = request.Request(url)
    resp = request.urlopen(req)
    if not resp.status == 200:
        print(f"[ERROR] could not contact server: {url}")
@@ -86,15 +85,13 @@ def run(command: str) -> None:

 start = datetime.datetime.now()

-URL_CHOCO_PACKAGE = "https://community.chocolatey.org/packages/blender"
-URL_BLENDER_CMAKE = (
-    "https://raw.githubusercontent.com/blender/blender/{}/build_files/cmake/Modules/FindPythonLibsUnix.cmake"
-)
-RE_BLENDER_VERSION_MIN_MAJ = r"Latest Version.+<span>Blender (\d+\.\d+)\..+</span>"
-RE_BLENDER_VERSION_MIN_MAJ_PAT = r"Latest Version.+<span>Blender (\d+\.\d+\.\d+)</span>"
+URL_CHOCO_PACKAGE  = "https://community.chocolatey.org/packages/blender"
+URL_BLENDER_CMAKE  = "https://raw.githubusercontent.com/blender/blender/{}/build_files/cmake/Modules/FindPythonLibsUnix.cmake"
+RE_BLENDER_VERSION_MIN_MAJ        = r"Latest Version.+<span>Blender (\d+\.\d+)\..+</span>"
+RE_BLENDER_VERSION_MIN_MAJ_PAT    = r"Latest Version.+<span>Blender (\d+\.\d+\.\d+)</span>"
 RE_BLENDER_PYTHON_VERSION_MAJ_MIN = r"\(_PYTHON_VERSION_SUPPORTED (\d+\.\d+)\)"

-BLENDERBIM_DIR = pathlib.Path("/home/runner/work/IfcOpenShell/IfcOpenShell/choco/bonsai/")
+BLENDERBIM_DIR = pathlib.Path("/home/runner/work/IfcOpenShell/IfcOpenShell/choco/blenderbim/")

 print("_____ check choco release needed?")

@@ -151,7 +148,7 @@ print(f"{blender_python_version_maj_min=}")
 python_version = f"py{found[0].replace('.', '')}"
 print(f"{python_version=}")

-blenderbim_build_version = target_release_tag.replace("bonsai-", "")
+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)
@@ -169,15 +166,15 @@ topics = {
        "path": HERE_DIR / "blenderbim.nuspec",
        "key_values": {
            "latest_blender_version_maj_min_pat": latest_blender_release_maj_min_pat,
-            "blenderbim_build_version": blenderbim_build_version,
+            "blenderbim_build_version"          : blenderbim_build_version,
        },
    },
    "install": {
        "path": HERE_DIR / "tools" / "chocolateyinstall.ps1",
        "key_values": {
-            "url_blenderbim_py3x_win_zip": url_blenderbim_py3x_win_zip,
+            "url_blenderbim_py3x_win_zip"      : url_blenderbim_py3x_win_zip,
            "sha256sum_blenderbim_py3x_win_zip": sha256sum_blenderbim_py3x_win_zip,
-            "latest_blender_version_maj_min": blender_version_min_maj,
+            "latest_blender_version_maj_min"   : blender_version_min_maj,
        },
    },
    "uninstall": {
@@ -121,7 +121,7 @@ import tarfile
 import threading
 from datetime import datetime

-ssl._create_default_https_context = ssl._create_unverified_context  # ty:ignore[invalid-assignment]
+ssl._create_default_https_context = ssl._create_unverified_context

 import time
 from collections.abc import Generator, Sequence
@@ -697,10 +697,7 @@ def build_dependency(
            compr = "xz"
        else:
            raise RuntimeError("fix source for new download type")
-        # ty: false positive bug upstream.
-        download_tarfile = tarfile.open(
-            name=download_tarfile_path, mode=f"r:{compr}"
-        )  # ty:ignore[no-matching-overload]
+        download_tarfile = tarfile.open(name=download_tarfile_path, mode=f"r:{compr}")
        # tarfile seriously doesn't have a function to retrieve the root directory more easily
        extract_dir_name = os.path.commonprefix([x for x in download_tarfile.getnames() if x != "."])
        # run([tar, "--exclude=\"*/*\"", "-tf", download_name], cwd=build_dir).strip() no longer works
@@ -68,7 +68,6 @@ def unpack_dependencies(install_dir: Path) -> None:


 if __name__ == "__main__":
-    action = None
    if len(sys.argv) != 2 or (action := sys.argv[1].lower()) not in ("pack", "unpack"):
        print(__doc__)
        sys.exit(1)
@@ -82,6 +82,8 @@ ignore = [
 all = "error"

 # Structural rules (no deep type inference needed, easier to adapt).
+# Has false positives due to ty walrus operator bug.
+possibly-unresolved-reference = "ignore"
 # Maybe later, requires to specify element types for all generics.
 missing-type-argument = "ignore"
 # Conflicts with `bpy` props defined using annotations.
@@ -109,6 +111,7 @@ no-matching-overload = "ignore"
 not-subscriptable = "ignore"
 unsupported-dynamic-base = "ignore"
 unsupported-operator = "ignore"
+type-assertion-failure = "ignore"

 [tool.ty.environment]
 extra-paths = [
@@ -156,8 +159,7 @@ exclude = [
 [tool.poe.tasks]

 dev-setup.sequence = [
-    # 3.13 is chosen because it's the version used in the latest Bonsai.
-    {cmd = "uv sync --python 3.13"},
+    {cmd = "uv sync"},
    {cmd = "uv pip install -e ./src/bsdd/"},
    {cmd = "uv pip install -e ./src/ifcopenshell-python/[advanced,dev]"},
    {cmd = "uv pip install -e ./src/ifcedit/"},
@@ -193,6 +195,7 @@ format.sequence = ["black", "ruff"]
 cmake-format = "gersemi . --in-place"

 [tool.poe.tasks.ty-ios]
+# --ignore unresolved-reference: walrus operator false positives in ty.
 cmd = """
    ty check
    nix/
@@ -210,6 +213,7 @@ cmd = """
    src/ifcpatch
    src/ifctester
    --python=src/ifcopenshell-python/.venv
+    --ignore unresolved-reference
 """

 [tool.poe.tasks.bonsai-deps]
@@ -1,5 +1,5 @@
 black==26.3.1
-ruff==0.16.0
+ruff==0.15.12
 poethepoet
-ty==0.0.63
-gersemi==0.28.0
+ty==0.0.59
+gersemi==0.26.1
@@ -188,8 +188,6 @@ class BcfClient:
                response.raise_for_status()
            return response.status_code, response.text
        except requests.exceptions.HTTPError as errh:
-            response = errh.response
-            assert response is not None
            print(f"message: {response.reason}'  '{response.status_code}, {errh}")
            return response.status_code, response.reason

@@ -208,8 +206,6 @@ class BcfClient:
                response.raise_for_status()
            return response.status_code, response.text
        except requests.exceptions.HTTPError as errh:
-            response = errh.response
-            assert response is not None
            print(f"message: {response.reason}'  '{response.status_code}, {errh}")
            return response.status_code, response.reason

@@ -226,8 +222,6 @@ class BcfClient:
                response.raise_for_status()
            return response.status_code, response.text
        except requests.exceptions.HTTPError as errh:
-            response = errh.response
-            assert response is not None
            print(f"message: {response.reason}'  '{response.status_code}, {errh}")
            return response.status_code, response.reason

@@ -24,28 +24,10 @@ a text, a tspan {  fill: blue !important;  text-decoration: underline;}
 a:hover { cursor: pointer; }
 .cut { fill: black; stroke: black; stroke-linecap: 'round'; stroke-width: 0.35; fill-rule: evenodd; }
 .projection { fill: white; stroke: black; stroke-linecap: 'round'; stroke-width: 0.25; }
-/* SVG edge classification (issue #3668): see edge-classification.md. These select directly on
-   the <path> element (each classified projection edge carries its own class), so they win over
-   the inherited .projection rule above regardless of specificity. */
-path.outline { stroke: black; stroke-width: 0.35; stroke-opacity: 1; }
-path.boundary { stroke: black; stroke-width: 0.3; stroke-opacity: 0.9; }
-path.crease { stroke: black; stroke-width: 0.25; stroke-opacity: 0.85; }
-path.sharp { stroke: black; stroke-width: 0.18; stroke-opacity: 0.7; }
-path.flush { stroke: black; stroke-width: 0.1; stroke-opacity: 0.4; }
-
-/* Debug CSS for troubleshooting edge classification */
-/*
-path.outline { stroke: black; stroke-width: 0.35; stroke-opacity: 1; }
-path.boundary { stroke: orange; stroke-width: 0.3; stroke-opacity: 0.9; }
-path.crease { stroke: green; stroke-width: 0.25; stroke-opacity: 0.85; }
-path.sharp { stroke: red; stroke-width: 0.18; stroke-opacity: 0.7; }
-path.flush { stroke: blue; stroke-width: 0.1; stroke-opacity: 0.4; }
-*/
-
-.surface {fill: white; stroke-width: 0.1;}
-.annotation { fill: none; stroke: black; stroke-linecap: 'round'; stroke-width: 0.3; }
-.IfcAnnotation { fill: none; stroke: black; stroke-linecap: 'round'; stroke-width: 0.3; }
-/* .IfcGeographicElement { fill: none; stroke: rgb(150, 150, 150); stroke-linecap: 'round'; stroke-dasharray: 1, 2;} */
+.surface { stroke: none; fill: #fff; fill-rule: evenodd; }
+.annotation { fill: none; stroke: black; stroke-linecap: 'round'; stroke-width: 0.25; }
+.IfcAnnotation { fill: none; stroke: black; stroke-linecap: 'round'; stroke-width: 0.25; }
+.IfcGeographicElement { fill: none; stroke: black; stroke-linecap: 'round'; stroke-width: 1; }
 .PredefinedType-LINEWORK { stroke: black; stroke-width: 0.25; }
 .PredefinedType-LINEWORK.dashed { stroke-dasharray: 3, 2; }
 .PredefinedType-LINEWORK.fine { stroke-width: 0.18; stroke: #777777; }
@@ -5,7 +5,7 @@ FILE_NAME('EPset_Drawing.ifc','2020-01-01T00:00:00',$,$,'EPset_Drawing','EPset_D
 FILE_SCHEMA(('IFC4'));
 ENDSEC;
 DATA;
-#1=IFCPROPERTYSETTEMPLATE('2JhNIvqZrFnAgxfhK0XVQX',$,'EPset_Drawing','',.PSET_OCCURRENCEDRIVEN.,'IfcAnnotation/DRAWING',(#23,#22,#27,#24,#29,#30,#19,#12,#26,#9,#8,#7,#6,#4,#18,#11,#5,#20,#25,#14,#10,#17,#28,#16,#3,#21,#13,#15,#2,#31,#32,#33,#34,#35,#36,#37));
+#1=IFCPROPERTYSETTEMPLATE('2JhNIvqZrFnAgxfhK0XVQX',$,'EPset_Drawing','',.PSET_OCCURRENCEDRIVEN.,'IfcAnnotation/DRAWING',(#23,#22,#27,#24,#29,#30,#19,#12,#26,#9,#8,#7,#6,#4,#18,#11,#5,#20,#25,#14,#10,#17,#28,#16,#3,#21,#13,#15,#2));
 #2=IFCSIMPLEPROPERTYTEMPLATE('23JavTMk98ZxXhrUEnjAcf',$,'TargetView','',.P_SINGLEVALUE.,'IfcLabel',$,$,$,$,$,.READWRITE.);
 #3=IFCSIMPLEPROPERTYTEMPLATE('1yVWUt5H9DAOuu0OaMMLpe',$,'Scale','The scale of this drawing represented as a numerator and denominator, such as 1/100',.P_SINGLEVALUE.,'IfcLabel',$,$,$,$,$,.READWRITE.);
 #4=IFCSIMPLEPROPERTYTEMPLATE('3gsuPBtU93b8f0gg1pjkq6',$,'HumanScale','The scale of this drawing in human readable format, such as 1:100',.P_SINGLEVALUE.,'IfcLabel',$,$,$,$,$,.READWRITE.);
@@ -35,12 +35,5 @@ DATA;
 #28=IFCSIMPLEPROPERTYTEMPLATE('1YSnFzurrEyRNtoLdmmddP',$,'BringToFront','The objects with these SVG classes will render in front of all other objects.Ex: IfcBeam, IfcColumn',.P_SINGLEVALUE.,'IfcText',$,$,$,$,$,.READWRITE.);
 #29=IFCSIMPLEPROPERTYTEMPLATE('0lP6Y8q9v2QhDnR4sT7uVx',$,'PerspectiveShiftX','Horizontal perspective camera shift stored as drawing metadata using Blender camera shift units.',.P_SINGLEVALUE.,'IfcReal',$,$,$,$,$,.READWRITE.);
 #30=IFCSIMPLEPROPERTYTEMPLATE('2mR8b1NcW5EoFyG7hJ9kLp',$,'PerspectiveShiftY','Vertical perspective camera shift stored as drawing metadata using Blender camera shift units.',.P_SINGLEVALUE.,'IfcReal',$,$,$,$,$,.READWRITE.);
-#31=IFCSIMPLEPROPERTYTEMPLATE('1cFVJnqT13m8ItkMHaI1tp',$,'UseEdgeClassification','Enable the boundary/outline/sharp/crease/flush SVG edge classification scheme (issue #3668). When false, drawings use the original unclassified linework.',.P_SINGLEVALUE.,'IfcBoolean',$,$,$,$,$,.READWRITE.);
-#32=IFCSIMPLEPROPERTYTEMPLATE('2kB$mxBgnBUvhjh0Ti0c4P',$,'RenderCreases','Whether to render ''crease'' (concave) edges. Only relevant when UseEdgeClassification is enabled.',.P_SINGLEVALUE.,'IfcBoolean',$,$,$,$,$,.READWRITE.);
-#33=IFCSIMPLEPROPERTYTEMPLATE('3MSIJNW$T8r9Hl12kk0BY$',$,'ValleyAngleMinDegrees','Minimum concave dihedral deviation from flat, in degrees, for a projection edge to be classified as ''crease'' rather than ''flush''.',.P_SINGLEVALUE.,'IfcReal',$,$,$,$,$,.READWRITE.);
-#34=IFCSIMPLEPROPERTYTEMPLATE('2epSGfC4bFM9gb1X7zBIp4',$,'RenderSharp','Whether to render ''sharp'' (convex) edges. Only relevant when UseEdgeClassification is enabled.',.P_SINGLEVALUE.,'IfcBoolean',$,$,$,$,$,.READWRITE.);
-#35=IFCSIMPLEPROPERTYTEMPLATE('3TZwsEjkr5WRDKcgrYzSIA',$,'RidgeAngleMinDegrees','Minimum convex dihedral deviation from flat, in degrees, for a projection edge to be classified as ''sharp'' rather than ''flush''.',.P_SINGLEVALUE.,'IfcReal',$,$,$,$,$,.READWRITE.);
-#36=IFCSIMPLEPROPERTYTEMPLATE('2Jua$lO754vgZOkBoHM2gA',$,'RenderFlush','Whether to render ''flush'' edges (dihedral deviation below both ridge/valley thresholds). Only relevant when UseEdgeClassification is enabled.',.P_SINGLEVALUE.,'IfcBoolean',$,$,$,$,$,.READWRITE.);
-#37=IFCSIMPLEPROPERTYTEMPLATE('1zM9sia2L8RQDnWZxgUwlZ',$,'JoinClasses','Comma separated list of IFC classes whose cut linework will be joined together when they meet (e.g. mitred at a corner).\X2\000A\X0\Defaults to ''IfcWall,IfcSlab'' if not set. Override to also join other classes, such as ''IfcWall,IfcSlab,IfcCovering''.',.P_SINGLEVALUE.,'IfcText',$,$,$,$,$,.READWRITE.);
 ENDSEC;
 END-ISO-10303-21;
@@ -10,7 +10,6 @@ if bonsai_lib_path:
 import argparse
 import base64
 import json
-import urllib.parse
 import xml.etree.ElementTree as ET

 import pystache
@@ -19,53 +18,8 @@ from aiohttp import web

 sio_port = 8080  # default port

-
-def get_asset_version() -> str:
-    """A cache-busting token appended to locally served static asset URLs.
-
-    Browsers otherwise keep serving a stale cached copy of static/js and
-    static/css after Bonsai ships a code change, until the user does a hard
-    refresh. Using the Bonsai version (which includes the build's commit
-    hash) means the token changes on every shipped update.
-    """
-    if bonsai_version:
-        return urllib.parse.quote(bonsai_version, safe="")
-    # Fallback for standalone runs without BONSAI_VERSION set (e.g. running
-    # sioserver.py directly outside of Blender): derive a token from the
-    # newest mtime among the static assets, so it still changes whenever the
-    # shipped files change.
-    static_dir = os.path.join(os.path.dirname(os.path.abspath(__file__)), "static")
-    latest_mtime = 0
-    for root, _dirs, files in os.walk(static_dir):
-        for name in files:
-            latest_mtime = max(latest_mtime, int(os.path.getmtime(os.path.join(root, name))))
-    return f"dev-{latest_mtime}"
-
-
-asset_version = get_asset_version()
-
-
-@web.middleware
-async def no_cache_static_middleware(request: web.Request, handler):
-    """Force revalidation of locally served static assets.
-
-    Query-string version stamping (see `asset_version`) busts the cache for
-    the HTML-referenced entry points, but JS files that statically import
-    other local modules (e.g. cost.js/gantt.js importing utilities/costui.js)
-    reference those modules by an un-stamped relative path. Marking all
-    /static/ and /jsgantt/ responses as no-cache makes browsers always
-    revalidate with the server (a cheap conditional GET / 304 when nothing
-    changed), so nested imports also pick up shipped changes without
-    requiring a hard refresh.
-    """
-    response = await handler(request)
-    if request.path.startswith("/static/") or request.path.startswith("/jsgantt/"):
-        response.headers["Cache-Control"] = "no-cache, must-revalidate"
-    return response
-
-
 sio = socketio.AsyncServer(cors_allowed_origins="*", async_mode="aiohttp", max_http_buffer_size=10000000)
-app = web.Application(middlewares=[no_cache_static_middleware])
+app = web.Application()
 sio.attach(app)


@@ -245,28 +199,28 @@ class BlenderNamespace(socketio.AsyncNamespace):
 async def schedules(request):
    with open("templates/index.html", "r") as f:
        template = f.read()
-    html_content = pystache.render(template, {"port": sio_port, "version": bonsai_version, "v": asset_version})
+    html_content = pystache.render(template, {"port": sio_port, "version": bonsai_version})
    return web.Response(text=html_content, content_type="text/html")


 async def costing(request):
    with open("templates/costing.html", "r") as f:
        template = f.read()
-    html_content = pystache.render(template, {"port": sio_port, "version": bonsai_version, "v": asset_version})
+    html_content = pystache.render(template, {"port": sio_port, "version": bonsai_version})
    return web.Response(text=html_content, content_type="text/html")


 async def sequencing(request):
    with open("templates/gantt.html", "r") as f:
        template = f.read()
-    html_content = pystache.render(template, {"port": sio_port, "version": bonsai_version, "v": asset_version})
+    html_content = pystache.render(template, {"port": sio_port, "version": bonsai_version})
    return web.Response(text=html_content, content_type="text/html")


 async def documentation(request):
    with open("templates/drawings.html", "r") as f:
        template = f.read()
-    html_content = pystache.render(template, {"port": sio_port, "version": bonsai_version, "v": asset_version})
+    html_content = pystache.render(template, {"port": sio_port, "version": bonsai_version})
    return web.Response(text=html_content, content_type="text/html")


@@ -275,7 +229,7 @@ async def documentation(request):
 async def demo(request):
    with open("templates/demo.html", "r") as f:
        template = f.read()
-    html_content = pystache.render(template, {"port": sio_port, "version": bonsai_version, "v": asset_version})
+    html_content = pystache.render(template, {"port": sio_port, "version": bonsai_version})
    return web.Response(text=html_content, content_type="text/html")


@@ -244,7 +244,7 @@ function addGanttElement(blenderId, tasks, workSched, filename) {
      vShowTaskInfoLink: 1, // Show link in tool tip (0/1)
      vShowEndWeekDate: 0, // Show/Hide the date for the last day of the week in header for daily
      vUseSingleCell: 10000, // Set the threshold cell per table row (Helps performance for large data.
-      vFormatArr: ["Hour", "Day", "Week", "Month", "Quarter"], // vUseSingleCell keeps Hour usable on large charts.
+      vFormatArr: ["Day", "Week", "Month", "Quarter"], // Even with setUseSingleCell using Hour format on such a large chart can cause issues in some browsers,
      vShowRes: true, // Disable the resource column.
      vShowComp: false, // Disable the completion column.
      vShowDur: false, // Disable the duration column, because jsgantt doesn't calculate durations the way we want.
@@ -250,14 +250,6 @@ export class CostUI {
      },
    });

-    CostUI.addRibbonButton({
-      text: "Download CSV",
-      icon: "fa-solid fa-file-csv",
-      callback: () => {
-        CostUI.downloadCsv();
-      },
-    });
-
    CostUI.addRibbonButton({
      text: "Hide Schedules",
      icon: "fa-regular fa-eye-slash",
@@ -531,81 +523,6 @@ export class CostUI {
    }
  }

-  static downloadCsv() {
-    const tables = document.querySelectorAll("table[id^='cost-items-']");
-    if (tables.length === 0) {
-      alert("No cost schedule loaded to export!");
-      return;
-    }
-    tables.forEach((table) => {
-      const scheduleId = table.id.split("-").pop();
-      const csv = CostUI.tableToCsv(table);
-      if (csv === null) {
-        return;
-      }
-      const nameEl = document.querySelector(
-        "#cost-schedule-container-" + scheduleId + " .form-header span"
-      );
-      const scheduleName = nameEl
-        ? nameEl.textContent
-        : "cost_schedule_" + scheduleId;
-      CostUI.triggerCsvDownload(csv, scheduleName + ".csv");
-    });
-  }
-
-  static tableToCsv(table) {
-    const escapeCsvCell = (value) => {
-      const text = (value === null || value === undefined ? "" : value)
-        .toString()
-        .trim();
-      if (/[",\n]/.test(text)) {
-        return '"' + text.replace(/"/g, '""') + '"';
-      }
-      return text;
-    };
-
-    const cellText = (cell) => {
-      const input = cell.querySelector("input");
-      return input ? input.value : cell.innerText;
-    };
-
-    // The Actions column only holds buttons (edit/delete/etc), not data.
-    const isDataColumn = (column) => column && column !== "Actions";
-
-    const headerCells = Array.from(table.querySelectorAll("thead th")).filter(
-      (th) => isDataColumn(th.getAttribute("data-column"))
-    );
-    if (headerCells.length === 0) {
-      return null;
-    }
-
-    const rows = [headerCells.map((th) => escapeCsvCell(th.textContent)).join(",")];
-
-    table.querySelectorAll("tbody tr").forEach((row) => {
-      const cells = Array.from(row.children).filter((cell) =>
-        isDataColumn(cell.getAttribute("data-column"))
-      );
-      if (cells.length === 0) {
-        return; // e.g. the "No cost items found" placeholder row.
-      }
-      rows.push(cells.map((cell) => escapeCsvCell(cellText(cell))).join(","));
-    });
-
-    return rows.join("\n");
-  }
-
-  static triggerCsvDownload(csvContent, filename) {
-    const blob = new Blob([csvContent], { type: "text/csv;charset=utf-8;" });
-    const url = URL.createObjectURL(blob);
-    const link = document.createElement("a");
-    link.href = url;
-    link.download = filename;
-    document.body.appendChild(link);
-    link.click();
-    document.body.removeChild(link);
-    URL.revokeObjectURL(url);
-  }
-
  static createCostTable({ costSchedule, currency, callbacks }) {
    const preferences = CostUI.getColumnPreferences();
    const isScheduleOfRates = costSchedule.PredefinedType === "SCHEDULEOFRATES";
@@ -7,7 +7,7 @@
    <link
      rel="stylesheet"
      type="text/css"
-      href="/static/css/cost.css?v={{v}}"
+      href="/static/css/cost.css"
      id="index-stylesheet"
    />
    <link
@@ -21,7 +21,7 @@
    />
    <script
      type="text/javascript"
-      src="/static/js/jquery.min.js?v={{v}}"
+      src="/static/js/jquery.min.js"
    ></script>
    <script
      type="text/javascript"
@@ -34,7 +34,7 @@
    <script>
      var SOCKET_PORT = {{port}};
    </script>
-    <script type="module" defer src="./static/js/cost.js?v={{v}}"></script>
+    <script type="module" defer src="./static/js/cost.js"></script>
  </head>
  <body>
    <nav>
@@ -12,14 +12,14 @@
    />
    <!-- here we request the CSS file from the server, -->
    <!-- using registered static path in the server -->
-    <link rel="stylesheet" href="/static/css/demo.css?v={{v}}" id="demo-stylesheet" />
+    <link rel="stylesheet" href="/static/css/demo.css" id="demo-stylesheet" />
    <link
      rel="stylesheet"
      href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.6.0/css/all.min.css"
    />
    <script
      type="text/javascript"
-      src="/static/js/jquery.min.js?v={{v}}"
+      src="/static/js/jquery.min.js"
    ></script>
    <script
      type="text/javascript"
@@ -33,7 +33,7 @@
    </script>
    <!-- here we request the JS file from the server-->
    <!-- using registered static path in the server -->
-    <script defer src="./static/js/demo.js?v={{v}}"></script>
+    <script defer src="./static/js/demo.js"></script>
  </head>
  <body>
    <!-- the navigation bar at the top of the page. -->
@@ -15,7 +15,7 @@
    />
    <link
      rel="stylesheet"
-      href="/static/css/drawings.css?v={{v}}"
+      href="/static/css/drawings.css"
      id="drawings-stylesheet"
    />
    <link
@@ -24,7 +24,7 @@
    />
    <script
      type="text/javascript"
-      src="/static/js/jquery.min.js?v={{v}}"
+      src="/static/js/jquery.min.js"
    ></script>
    <script
      type="text/javascript"
@@ -45,7 +45,7 @@
    <script>
      var SOCKET_PORT = {{port}};
    </script>
-    <script defer src="./static/js/drawings.js?v={{v}}"></script>
+    <script defer src="./static/js/drawings.js"></script>
  </head>
  <body>
    <nav>
@@ -9,25 +9,25 @@
      type="image/x-icon"
      href="https://bonsaibim.org/assets/images/favicon-blender.png"
    />
-    <link rel="stylesheet" type="text/css" href="/jsgantt/jsgantt.css?v={{v}}" />
-    <link rel="stylesheet" href="/static/css/gantt.css?v={{v}}" id="gantt-stylesheet" />
+    <link rel="stylesheet" type="text/css" href="/jsgantt/jsgantt.css" />
+    <link rel="stylesheet" href="/static/css/gantt.css" id="gantt-stylesheet" />
    <link
      rel="stylesheet"
      href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.6.0/css/all.min.css"
    />
    <script
      type="text/javascript"
-      src="/static/js/jquery.min.js?v={{v}}"
+      src="/static/js/jquery.min.js"
    ></script>
    <script
      type="text/javascript"
      src="https://cdn.socket.io/4.0.0/socket.io.min.js"
    ></script>
-    <script type="text/javascript" src="./jsgantt/jsgantt.js?v={{v}}"></script>
+    <script type="text/javascript" src="./jsgantt/jsgantt.js"></script>
    <script>
      var SOCKET_PORT = {{port}};
    </script>
-    <script type="module" defer src="./static/js/gantt.js?v={{v}}"></script>
+    <script type="module" defer src="./static/js/gantt.js"></script>
  </head>
  <body>
    <nav class="no-print">
@@ -9,7 +9,7 @@
      type="image/x-icon"
      href="https://bonsaibim.org/assets/images/favicon-blender.png"
    />
-    <link rel="stylesheet" href="/static/css/index.css?v={{v}}" id="index-stylesheet" />
+    <link rel="stylesheet" href="/static/css/index.css" id="index-stylesheet" />
    <link
      rel="stylesheet"
      id="tabulator-stylesheet"
@@ -21,7 +21,7 @@
    />
    <script
      type="text/javascript"
-      src="/static/js/jquery.min.js?v={{v}}"
+      src="/static/js/jquery.min.js"
    ></script>
    <script
      type="text/javascript"
@@ -34,7 +34,7 @@
    <script>
      var SOCKET_PORT = {{port}};
    </script>
-    <script defer src="./static/js/index.js?v={{v}}"></script>
+    <script defer src="./static/js/index.js"></script>
  </head>
  <body>
    <nav>
@@ -418,10 +418,9 @@ def get_user(ifc: ifcopenshell.file) -> Union[ifcopenshell.entity_instance, None


 def viewport_shading_changed_callback(area: bpy.types.Area) -> None:
-    shading_type = area.spaces.active.shading.type
-    tool.Style.restore_material_style_types(shading_type)
-    if shading_type == "SOLID":
-        area.spaces.active.shading.color_type = "MATERIAL"
+    shading = area.spaces.active.shading.type
+    if shading == "RENDERED":
+        tool.Style.get_style_props().active_style_type = "External"


 def subscribe_to_viewport_shading_changes():
@@ -133,6 +133,10 @@ 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"]:
@@ -1099,14 +1103,12 @@ class IfcImporter:
        vertices = [[v[i], v[i + 1], v[i + 2], 1] for i in range(0, len(v), 3)]
        edges = [[e[i], e[i + 1]] for i in range(0, len(e), 2)]
        v2 = None
-        polyline = None
        for edge in edges:
            v1 = vertices[edge[0]]
            if v1 != v2:
                polyline = curve.splines.new("POLY")
                polyline.points[-1].co = mathutils.Vector(v1)
            v2 = vertices[edge[1]]
-            assert polyline is not None
            polyline.points.add(1)
            polyline.points[-1].co = mathutils.Vector(v2)
        edges_item_ids = ifcopenshell.util.shape.get_edges_representation_item_ids(geometry).tolist()
@@ -1059,7 +1059,6 @@ class AddBoundary(bpy.types.Operator, tool.Ifc.Operator):
        return tool.Ifc.get().createIfcConnectionSurfaceGeometry(surface)

    def export_surface(self, polygon, target_face_matrix):
-        ifc_file = tool.Ifc.get()
        x_axis = target_face_matrix.col[0][:3]
        z_axis = target_face_matrix.col[2][:3]
        p1 = target_face_matrix.translation
@@ -1072,20 +1071,18 @@ class AddBoundary(bpy.types.Operator, tool.Ifc.Operator):
        placement = builder.create_axis2_placement_3d([o / self.unit_scale for o in p1], z_axis, x_axis)
        surface.BasisSurface = tool.Ifc.get().create_entity("IfcPlane", placement)

-        schema = ifc_file.schema
-        if schema != "IFC2X3":
+        if tool.Ifc.get().schema != "IFC2X3":
            points = [tool.Model.convert_si_to_unit(list(co)) for co in polygon.exterior.coords]
            point_list = tool.Ifc.get().createIfcCartesianPointList2D(points)
            outer_boundary = tool.Ifc.get().createIfcIndexedPolyCurve(point_list, None, False)

-            inner_boundaries: list[ifcopenshell.entity_instance] = []
+            inner_boundaries = []
            for interior in polygon.interiors:
                points = [tool.Model.convert_si_to_unit(list(co)) for co in interior.coords]
                point_list = tool.Ifc.get().createIfcCartesianPointList2D(points)
                inner_boundaries.append(tool.Ifc.get().createIfcIndexedPolyCurve(point_list, None, False))
        else:
-            # TODO:
-            raise NotImplementedError(schema)
+            pass  # TODO

        surface.OuterBoundary = outer_boundary
        surface.InnerBoundaries = inner_boundaries
@@ -400,7 +400,6 @@ class CadOffset(bpy.types.Operator):
        [verts.update(e.verts) for e in edges]

        # Use the viewport angle to determine the offset direction
-        wp = None
        for area in bpy.context.screen.areas:
            if area.type == "VIEW_3D":
                # Don't ask me, I don't know.
@@ -410,7 +409,6 @@ class CadOffset(bpy.types.Operator):
                z = area.spaces.active.region_3d.view_rotation @ Vector((0, 0, 1))
                wp = Matrix([x, y, z, Vector((0, 0, 0))]).to_4x4().transposed()
                break
-        assert wp is not None

        rotation = Matrix.Rotation(pi / 2, 2, "Z")
        rotation_i = Matrix.Rotation(-pi / 2, 2, "Z")
@@ -478,7 +478,6 @@ class ChangeClassificationLevel(bpy.types.Operator):
    def execute(self, context):
        props = tool.Classification.get_classification_props()
        props.available_library_references.clear()
-        reference = None
        for reference in IfcStore.classification_file.by_id(self.parent_id).HasReferences:
            new = props.available_library_references.add()
            new.identification = reference.Identification or ""
@@ -486,7 +485,6 @@ class ChangeClassificationLevel(bpy.types.Operator):
            new.ifc_definition_id = reference.id()
            new.has_references = bool(reference.HasReferences)
            new.referenced_source
-        assert reference
        if reference.ReferencedSource.is_a("IfcClassificationReference"):
            props.active_library_referenced_source = reference.ReferencedSource.ReferencedSource.id()
        else:
@@ -156,8 +156,6 @@ class CostSchedulesData:
            values = root_element.CostValues
        elif root_element.is_a("IfcConstructionResource"):
            values = root_element.BaseCosts
-        else:
-            assert False, root_element
        for cost_value in values or []:
            cls._load_cost_value(root_element, data, cost_value)
            # data["CostValues"].append(cost_value.id())
@@ -47,7 +47,6 @@ classes = (
    operator.CleanWireframes,
    operator.ContractSheet,
    operator.ConvertSVGToDXF,
-    operator.CopyAnnotationToDrawing,
    operator.CopyTextToSelection,
    operator.CreateDrawing,
    operator.CreateSheets,
@@ -108,7 +107,6 @@ classes = (
    operator.SelectAssignedProduct,
    operator.SelectSimilarTextLiteralValue,
    operator.ToggleTargetView,
-    operator.ToggleDrawingCategorySelection,
    operator.OpenDocumentationWebUi,
    operator.FilterSelectedObjectsIfIntersectedByCamera,
    prop.Variable,
@@ -425,12 +425,10 @@ class BaseDecorator:

        blf.size(font_id, font_size_px)

-        w, h = None, None
        if box_alignment or center or vcenter:
            w, h = blf.dimensions(font_id, text)

        if box_alignment:
-            assert w is not None and h is not None
            box_alignment_offset = Vector((0, 0))
            if "bottom" in box_alignment:
                pass
@@ -452,12 +450,10 @@ class BaseDecorator:
        else:
            # horizontal centering
            if center:
-                assert w is not None
                pos -= Vector((cos, sin)) * w * 0.5

            # vertical centering
            if vcenter:
-                assert h is not None
                pos -= Vector((-sin, cos)) * h * 0.5

            # side-shifting
@@ -1005,8 +1001,6 @@ class FallDecorator(BaseDecorator):
            O = A.copy()
            O.z = B.z
            run = (B - O).length
-
-            angle_tg = None
            if run != 0:
                angle_tg = rise / run
                angle = round(degrees(atan(angle_tg)))
@@ -1024,7 +1018,6 @@ class FallDecorator(BaseDecorator):
            elif object_type == "SLOPE_PERCENT":
                if angle == 90:
                    return "-"
-                assert angle_tg is not None
                return f"{round(angle_tg * 100)} %"
            return "NO DATA"

@@ -1256,7 +1249,6 @@ class SectionLevelDecorator(BaseDecorator):
        }

        # process edges
-        text_position, text_dir = None, None
        for edge in edges_original:
            v0, v1 = winspace_verts[edge[0]], winspace_verts[edge[1]]
            start_i = len(output_verts)
@@ -1562,39 +1554,32 @@ class SectionDecorator(BaseDecorator):
            v0, v1 = winspace_verts[edge[0]], winspace_verts[edge[1]]
            start_i = len(output_verts)

-            circle_head = None
            if display_start_circle or display_end_circle:
                circle_head = get_circle_head(circle_size)

-            triangle_head, divider_offset, edge_dir_circle = None, None, None
-            display_symbol = display_start_symbol or display_end_symbol
-            if display_symbol or connect_markers:
+            if display_start_symbol or display_end_symbol or connect_markers:
                edge_dir = (v1 - v0).normalized()
                side = (edge_dir.yx * Vector((1, -1))).to_3d()
                edge_dir_circle = edge_dir * circle_size

-                if display_symbol:
-                    triangle_head = get_triangle_head(edge_dir, -side, triangle_length, triangle_width)
-                    divider_offset = []
-                    divider_offset.append(edge_dir_circle if connect_markers else edge_dir_circle * 3)
-                    divider_offset.append(edge_dir_circle)
+            if display_start_symbol or display_end_symbol:
+                triangle_head = get_triangle_head(edge_dir, -side, triangle_length, triangle_width)
+                divider_offset = []
+                divider_offset.append(edge_dir_circle if connect_markers else edge_dir_circle * 3)
+                divider_offset.append(edge_dir_circle)

            if display_start_circle:
-                assert circle_head is not None
                start_i = add_verts_sequence([v + v0 for v in circle_head], start_i, **out_kwargs, closed=True)
                # circle middle divider
                if not display_start_symbol:
-                    assert divider_offset is not None
                    start_i = add_verts_sequence(
                        [v0 + divider_offset[0], v0 - divider_offset[1]], start_i, **out_kwargs
                    )

            if display_start_symbol:
-                assert triangle_head is not None
                start_i = add_verts_sequence([v + v0 for v in triangle_head], start_i, **out_kwargs, closed=True)

            if display_end_circle:
-                assert circle_head is not None
                start_i = add_verts_sequence([v + v1 for v in circle_head], start_i, **out_kwargs, closed=True)
                # circle middle divider
                if not display_end_symbol:
@@ -1603,11 +1588,9 @@ class SectionDecorator(BaseDecorator):
                    )

            if display_end_symbol:
-                assert triangle_head is not None
                start_i = add_verts_sequence([v + v1 for v in triangle_head], start_i, **out_kwargs, closed=True)

            if connect_markers:
-                assert edge_dir_circle is not None
                gap = []
                gap.append(edge_dir_circle if display_start_symbol else Vector((0, 0, 0)))
                gap.append(edge_dir_circle if display_end_symbol else Vector((0, 0, 0)))
@@ -1694,12 +1677,6 @@ class CutDecorator:
        selected_elements_color = self.addon_prefs.decorator_color_selected
        self.fallback_colour = (0.3, 0.3, 0.3, 1)

-        # Evaluate camera movement once per redraw rather than twice per object: is_camera_moved()
-        # runs eval()/numpy on the camera matrix and, as a side effect, refreshes the stored
-        # checksum on the first True result - so calling it per object also made the second call
-        # (fill) see an already-updated checksum and skip recalculating when it shouldn't.
-        self.camera_moved = self.is_camera_moved()
-
        all_vertices = []
        all_edges = []
        selected_vertices = []
@@ -1825,35 +1802,23 @@ class CutDecorator:

        # Currently selected objects must be recalculated as they may be being moved / edited.
        # If the camera is selected, we also recalculate as the user may be moving the camera.
-        is_selected = obj.select_get()
-        recalc_cut = not has_cut_cache or is_selected or self.camera_moved
-        recalc_fill = not has_fill_cache or is_selected or self.camera_moved
-        if not (recalc_cut or recalc_fill):
-            return

-        # The intersection test builds a bmesh and scans every vertex; both recalculations need
-        # the same answer, so compute it once here rather than once in each.
-        is_intersecting = tool.Drawing.is_intersecting_camera(obj, context.scene.camera)
-        if recalc_cut:
-            self.recalculate_cut(context, obj, element, is_intersecting)
-        if recalc_fill:
-            self.recalculate_fill(context, obj, element, is_intersecting)
+        if not has_cut_cache or obj.select_get() or self.is_camera_moved():
+            self.recalculate_cut(context, obj, element)
+        if not has_fill_cache or obj.select_get() or self.is_camera_moved():
+            self.recalculate_fill(context, obj, element)

-    def recalculate_cut(
-        self, context, obj: bpy.types.Object, element: ifcopenshell.entity_instance, is_intersecting: bool
-    ) -> None:
-        if is_intersecting:
+    def recalculate_cut(self, context, obj: bpy.types.Object, element: ifcopenshell.entity_instance) -> None:
+        if tool.Drawing.is_intersecting_camera(obj, context.scene.camera):
            verts, edges = tool.Drawing.bisect_mesh(obj, context.scene.camera)
            DecoratorData.cut_cache[element.id()] = (verts, edges)
        else:
            DecoratorData.cut_cache[element.id()] = (False, False)

-    def recalculate_fill(
-        self, context, obj: bpy.types.Object, element: ifcopenshell.entity_instance, is_intersecting: bool
-    ) -> None:
+    def recalculate_fill(self, context, obj: bpy.types.Object, element: ifcopenshell.entity_instance) -> None:
        element_id = element.id()

-        if not is_intersecting:
+        if not tool.Drawing.is_intersecting_camera(obj, context.scene.camera):
            DecoratorData.fill_cache[element_id] = {}
            return

@@ -1906,8 +1871,6 @@ class CutDecorator:
            layer_set = material
            offset = 0
            sense_factor = 1
-        else:
-            assert False, material

        if len(layer_set.MaterialLayers) == 1:
            material = layer_set.MaterialLayers[0].Material
@@ -1934,8 +1897,6 @@ class CutDecorator:
            co = Vector((0.0, 0.0, offset))
            no = tool.Drawing.get_extrusion_vector(element).normalized()
            no = Vector([1.0, 0.0, 0.0])
-        else:
-            assert False, usage
        no *= sense_factor
        last_i = len(layer_set.MaterialLayers) - 1

@@ -225,11 +225,9 @@ def format_distance(
            unit_system, unit_length, unit_fraction = unit_mapping[custom_unit]

    value *= unit_scale
-    tx_dist = None

    # Imperial Formatting
    if unit_system == "IMPERIAL":
-        toInches = None
        if in_unit_length:
            if unit_length == "INCHES":
                toInches = 1
@@ -243,7 +241,6 @@ def format_distance(
            toInches = 1550
            inPerFoot = 144

-        assert toInches is not None
        decInches = value * toInches
        decFeet = decInches / 12

@@ -386,7 +383,6 @@ def format_distance(
        if precision and isinstance(precision, float):
            value = precision * round(float(value) / precision)

-        fmt = None
        if decimal_places is not None:
            fmt = "%1." + str(decimal_places) + "f"

@@ -469,7 +465,6 @@ def format_distance(
        assert f"Unexpected unit_system - '{unit_system}'."
        # tx_dist = fmt % value

-    assert tx_dist is not None
    return tx_dist


@@ -228,90 +228,6 @@ class DuplicateDrawing(bpy.types.Operator, tool.Ifc.Operator):
        )


-def get_copy_annotation_target_drawings(self, context):
-    global COPY_ANNOTATION_TARGET_DRAWINGS_ENUM
-    drawings = [e for e in tool.Ifc.get().by_type("IfcAnnotation") if e.ObjectType == "DRAWING"]
-    drawings.sort(key=lambda d: d.Name or "")
-    COPY_ANNOTATION_TARGET_DRAWINGS_ENUM = [(str(d.id()), d.Name or "Unnamed", "") for d in drawings]
-    return COPY_ANNOTATION_TARGET_DRAWINGS_ENUM
-
-
-COPY_ANNOTATION_TARGET_DRAWINGS_ENUM = []
-
-
-class CopyAnnotationToDrawing(bpy.types.Operator, tool.Ifc.Operator):
-    bl_idname = "bim.copy_annotation_to_drawing"
-    bl_label = "Copy Annotation To Drawing"
-    bl_description = (
-        "Copy the selected annotations to another drawing.\n\n"
-        "The copies become independent annotations assigned to the chosen drawing, "
-        "placed in its view plane. The originals stay in their current drawing"
-    )
-    bl_options = {"REGISTER", "UNDO"}
-    target_drawing: bpy.props.EnumProperty(name="Target Drawing", items=get_copy_annotation_target_drawings)
-
-    if TYPE_CHECKING:
-        target_drawing: str
-
-    @classmethod
-    def poll(cls, context):
-        if not tool.Ifc.get():
-            cls.poll_message_set("No IFC project loaded.")
-            return False
-        if not cls.get_selected_annotations(context):
-            cls.poll_message_set("No annotation selected.")
-            return False
-        return True
-
-    @classmethod
-    def get_selected_annotations(cls, context) -> list[ifcopenshell.entity_instance]:
-        return [
-            element
-            for obj in context.selected_objects
-            if (element := tool.Ifc.get_entity(obj))
-            and element.is_a("IfcAnnotation")
-            and element.ObjectType != "DRAWING"
-        ]
-
-    def invoke(self, context, event):
-        assert context.window_manager
-        return context.window_manager.invoke_props_dialog(self)
-
-    def draw(self, context):
-        assert self.layout
-        row = self.layout.row()
-        row.prop(self, "target_drawing")
-
-    def _execute(self, context):
-        if not self.target_drawing:
-            self.report({"ERROR"}, "No target drawing selected.")
-            return {"CANCELLED"}
-        target_drawing = tool.Ifc.get().by_id(int(self.target_drawing))
-        annotations = self.get_selected_annotations(context)
-        previous_selection = [obj for a in annotations if (obj := tool.Ifc.get_object(a))]
-        previous_active = context.view_layer.objects.active
-        copied = core.copy_annotations_to_drawing(
-            tool.Ifc,
-            tool.Collector,
-            tool.Drawing,
-            tool.Geometry,
-            annotations=annotations,
-            target_drawing=target_drawing,
-        )
-        for obj in context.selected_objects:
-            obj.select_set(False)
-        for obj in previous_selection:
-            if obj.name in context.view_layer.objects:
-                obj.select_set(True)
-        if previous_active and previous_active.name in context.view_layer.objects:
-            context.view_layer.objects.active = previous_active
-        skipped = len(annotations) - len(copied)
-        message = f"Copied {len(copied)} annotations to {target_drawing.Name or 'Unnamed'}."
-        if skipped:
-            message += f" Skipped {skipped} already in that drawing."
-        self.report({"INFO"}, message)
-
-
 class CreateDrawing(bpy.types.Operator):
    """Creates/refreshes a .svg drawing

@@ -782,8 +698,6 @@ class CreateDrawing(bpy.types.Operator):
                layer_set = material
                offset = 0
                sense_factor = 1
-            else:
-                assert False, material

            camera_matrix_i = context.scene.camera.matrix_world.inverted()

@@ -808,6 +722,7 @@ class CreateDrawing(bpy.types.Operator):
            bmesh.ops.remove_doubles(bm, verts=bm.verts, dist=0.000001)
            bmesh.ops.triangle_fill(bm, use_dissolve=True, edges=bm.edges)

+            prev_co = None
            if not usage:
                sense_factor = 1  # Assume the extrusion vector points in the direction sense
                no = tool.Drawing.get_extrusion_vector(element).normalized()
@@ -824,8 +739,6 @@ class CreateDrawing(bpy.types.Operator):
                co = Vector((0.0, 0.0, offset))
                no = tool.Drawing.get_extrusion_vector(element).normalized()
                no = Vector([1.0, 0.0, 0.0])
-            else:
-                assert False, usage
            no *= sense_factor
            last_i = len(layer_set.MaterialLayers) - 1
            for i, layer in enumerate(layer_set.MaterialLayers):
@@ -993,10 +906,6 @@ class CreateDrawing(bpy.types.Operator):
        if os.path.isfile(svg_path) and self.props.should_use_linework_cache:
            return svg_path

-        ifc = tool.Ifc.get()
-        semantics = None
-        pairs = None
-
        # in case of printing multiple drawings we need to sync just once
        if self.sync and self.drawing_index == 0:
            with profile("sync"):
@@ -1400,18 +1309,6 @@ class CreateDrawing(bpy.types.Operator):
        self.svg_settings = ifcopenshell.geom.settings()
        self.svg_settings.set("dimensionality", ifcopenshell.ifcopenshell_wrapper.CURVES_SURFACES_AND_SOLIDS)
        self.svg_settings.set("iterator-output", ifcopenshell.ifcopenshell_wrapper.NATIVE)
-        # SVG edge classification (issue #3668). See edge-classification.md. Settings are
-        # per-drawing, stored in EPset_Drawing and read into self.cprops by import_camera_props.
-        try:
-            self.svg_settings.set("svg-use-edge-classification", self.cprops.use_edge_classification)
-            self.svg_settings.set("svg-render-crease-edges", self.cprops.render_creases)
-            self.svg_settings.set("svg-valley-angle-min-degrees", self.cprops.valley_angle_min_degrees)
-            self.svg_settings.set("svg-render-sharp-edges", self.cprops.render_sharp)
-            self.svg_settings.set("svg-ridge-angle-min-degrees", self.cprops.ridge_angle_min_degrees)
-            self.svg_settings.set("svg-emit-flush-edges", self.cprops.render_flush)
-        except Exception:
-            # Backwards compatibility with older ifcopenshell builds that don't expose these keys.
-            pass
        self.svg_buffer = ifcopenshell.geom.serializers.buffer()
        self.serialiser_settings = ifcopenshell.geom.serializer_settings()
        self.serialiser = ifcopenshell.geom.serializers.svg(
@@ -1555,15 +1452,6 @@ class CreateDrawing(bpy.types.Operator):
                "Material.Name",
            ]

-        join_classes = ifcopenshell.util.element.get_pset(self.camera_element, "EPset_Drawing", "JoinClasses")
-        if join_classes:
-            join_classes = tuple(c.strip() for c in join_classes.split(",") if c.strip())
-        else:
-            # Architectural convention only merges these objects by default. E.g. pipe
-            # segments and fittings shouldn't merge. Users may override this per-drawing
-            # via the EPset_Drawing.JoinClasses property (e.g. to also join IfcCovering).
-            join_classes = ("IfcWall", "IfcSlab")
-
        group = root.find("{http://www.w3.org/2000/svg}g")
        joined_paths = {}
        self.is_manifold_cache = {}
@@ -1665,7 +1553,8 @@ class CreateDrawing(bpy.types.Operator):
                            )
                        path.attrib["d"] = d

-            if not any(element.is_a(c) for c in join_classes):
+            # Architectural convention only merges these objects. E.g. pipe segments and fittings shouldn't merge.
+            if not element.is_a("IfcWall") and not element.is_a("IfcSlab"):
                continue

            keys = []
@@ -2310,11 +2199,7 @@ class SelectAllDrawings(bpy.types.Operator):

    def execute(self, context):
        props = tool.Drawing.get_document_props()
-        # When filtering to sheeted drawings only, act on the visible drawings only.
-        sheeted_ids = tool.Drawing.get_sheeted_drawing_ids() if props.show_drawings_on_sheets_only else None
        for drawing in props.drawings:
-            if sheeted_ids is not None and drawing.is_drawing and drawing.ifc_definition_id not in sheeted_ids:
-                continue
            if drawing.is_selected != self.select_all:
                drawing.is_selected = self.select_all
        return {"FINISHED"}
@@ -3874,26 +3759,6 @@ class ToggleTargetView(bpy.types.Operator):
        return {"FINISHED"}


-class ToggleDrawingCategorySelection(bpy.types.Operator):
-    bl_idname = "bim.toggle_drawing_category_selection"
-    bl_label = "Toggle Category Selection"
-    bl_description = "Select or deselect all drawings in this view category"
-    bl_options = {"REGISTER", "UNDO"}
-
-    target_view: bpy.props.StringProperty()
-
-    if TYPE_CHECKING:
-        target_view: str
-
-    def execute(self, context):
-        drawings = tool.Drawing.get_visible_drawings_in_category(self.target_view)
-        # If everything visible in the category is already selected, deselect all; otherwise select all.
-        new_state = not all(d.is_selected for d in drawings)
-        for drawing in drawings:
-            drawing.is_selected = new_state
-        return {"FINISHED"}
-
-
 class ExpandSheet(bpy.types.Operator):
    bl_idname = "bim.expand_sheet"
    bl_label = "Expand Sheet"
@@ -409,12 +409,6 @@ class DocProperties(PropertyGroup):
        options=set(),
    )
    is_editing_drawings: BoolProperty(name="Is Editing Drawings", default=False)
-    show_drawings_on_sheets_only: BoolProperty(
-        name="Show Only Drawings on Sheets",
-        description="Only show drawings that are placed on a sheet",
-        default=False,
-        options=set(),
-    )
    is_editing_schedules: BoolProperty(name="Is Editing Schedules", default=False)
    is_editing_references: BoolProperty(name="Is Editing References", default=False)
    target_view: EnumProperty(
@@ -445,7 +439,6 @@ class DocProperties(PropertyGroup):
        should_use_annotation_cache: bool
        should_draw_linked_projects: bool
        is_editing_drawings: bool
-        show_drawings_on_sheets_only: bool
        is_editing_schedules: bool
        is_editing_references: bool
        target_view: Literal["PLAN_VIEW", "ELEVATION_VIEW", "SECTION_VIEW", "REFLECTED_PLAN_VIEW", "MODEL_VIEW"]
@@ -543,50 +536,6 @@ class BIMCameraProperties(PropertyGroup):
        default=True,
        update=get_update_layer_callback("has_annotation", "HasAnnotation"),
    )
-    use_edge_classification: BoolProperty(
-        name="Use Edge Classification",
-        description="Classify projection edges into boundary/outline/sharp/crease/flush "
-        "instead of drawing all linework identically. See edge-classification.md",
-        default=False,
-        update=get_update_layer_callback("use_edge_classification", "UseEdgeClassification"),
-    )
-    render_creases: BoolProperty(
-        name="Render Creases",
-        description="Render 'crease' (concave) projection edges",
-        default=True,
-        update=get_update_layer_callback("render_creases", "RenderCreases"),
-    )
-    valley_angle_min_degrees: FloatProperty(
-        name="Valley Angle Minimum",
-        description="Minimum concave dihedral deviation from flat, in degrees, for a projection "
-        "edge to be classified as 'crease' rather than 'flush'",
-        default=12.0,
-        min=0.0,
-        max=180.0,
-        update=get_update_layer_callback("valley_angle_min_degrees", "ValleyAngleMinDegrees"),
-    )
-    render_sharp: BoolProperty(
-        name="Render Sharp",
-        description="Render 'sharp' (convex) projection edges",
-        default=True,
-        update=get_update_layer_callback("render_sharp", "RenderSharp"),
-    )
-    ridge_angle_min_degrees: FloatProperty(
-        name="Ridge Angle Minimum",
-        description="Minimum convex dihedral deviation from flat, in degrees, for a projection "
-        "edge to be classified as 'sharp' rather than 'flush'",
-        default=45.0,
-        min=0.0,
-        max=180.0,
-        update=get_update_layer_callback("ridge_angle_min_degrees", "RidgeAngleMinDegrees"),
-    )
-    render_flush: BoolProperty(
-        name="Render Flush",
-        description="Render 'flush' projection edges (dihedral deviation below both ridge/valley "
-        "thresholds). Omitted by default",
-        default=False,
-        update=get_update_layer_callback("render_flush", "RenderFlush"),
-    )
    target_view: EnumProperty(
        name="Target View",
        default="PLAN_VIEW",
@@ -110,14 +110,12 @@ class Scheduler:
        y = self.margin
        rows = list(sheet.iter_rows())
        total_rows = len(rows)
-        x = None
        for i, row in enumerate(rows):
            # The last row may contain only null values
            if i == (total_rows - 1) and not [c for c in row if c.value is not None]:
                continue

            x = self.margin
-            unmerged_height = None
            for cell in row:
                if isinstance(cell, openpyxl.cell.cell.MergedCell):
                    column_letter = openpyxl.utils.get_column_letter(cell.column)
@@ -232,11 +230,8 @@ class Scheduler:
                )

                x += unmerged_width
-
-            assert unmerged_height is not None
            y += unmerged_height

-        assert x is not None
        total_width = x + self.margin
        total_height = y + self.margin
        self.svg["width"] = "{}mm".format(total_width)
@@ -380,7 +375,6 @@ class Scheduler:
        tri = 0
        stop_iterating_over_rows = False
        # TODO: row spans support?
-        x = None
        for tr in table.getElementsByType(TableRow):
            if stop_iterating_over_rows:
                break
@@ -497,7 +491,6 @@ class Scheduler:
                tri += 1
                y += height

-        assert x is not None
        total_width = x + self.margin
        total_height = y + self.margin
        self.svg["width"] = "{}mm".format(total_width)
@@ -102,16 +102,16 @@ void angle_circle_head(
    in vec4 circle_start, in float circle_angle,
    in bool counterclockwise,
    out vec4 head[CIRCLE_SEGS+1], out float angle_segs) {
-
+    
    // 1 added to CIRCLE_SEGS because we're number of vertices
    // for n segments is n+1
-
+    
    float angle_d;
    angle_d = PI * 2 / CIRCLE_SEGS; // 30d
    // need to bottom clamp it to 1, otherwise it causes Blender crash at extruding the curve
    angle_segs = max(1, ceil(circle_angle / angle_d));
    angle_d = circle_angle / angle_segs;
-
+    
    for(int i = 0; i < (angle_segs + 1); i++) {
        float angle = angle_d * i;
        if (counterclockwise) {
@@ -143,7 +143,7 @@ void cross_head(in vec4 dir, in float size, out vec4 head[3]) {
 #define do_vertex(pos, e) (do_vertex_util(pos, vec2(-(e).y, (e).x) / winsize.xy))
 #define do_vertex_win(pos, e) ( do_vertex( WIN2CLIP( pos ), e ) )

-// if vertex is shared by two segments of the line still need to emit it twice
+// if vertex is shared by two segments of the line still need to emit it twice 
 // to avoid smoothing artifacts
 // don't forget to initialize `vec2 EDGE_DIR` for macro to work
 // `pos0` / `pos1` - vertex position in clip space
@@ -197,13 +197,10 @@ void do_circle_head(vec4 pos_w, vec4 head[CIRCLE_SEGS]) {

 def add_verts_sequence(verts, start_i, output_verts, output_edges, closed=False):
    """Add sequence of verts to output lists, returns next vertex index"""
-    i = None
    for i, v in enumerate(verts[:-1], start_i):
        output_verts.append(v)
        output_edges.append((i, i + 1))
    output_verts.append(verts[-1])
-    assert i is not None
-
    if closed:
        output_edges.append((i + 1, start_i))
    return i + 2
@@ -276,7 +273,7 @@ class BaseShader:
    FRAG_GLSL = """
    uniform vec4 color;
    uniform float lineWidth;
-
+    
    in float smoothline;
    out vec4 fragColor;
    void main() {
@@ -1449,7 +1449,6 @@ class SvgWriter:
                    angle_tg = rise / run
                    angle = round(degrees(atan(angle_tg)))
                else:
-                    angle_tg = None
                    angle = 90

                # ues SLOPE_ANGLE as default
@@ -1463,7 +1462,6 @@ class SvgWriter:
                elif object_type == "SLOPE_PERCENT":
                    if angle == 90:
                        return "-"
-                    assert angle_tg is not None
                    return f"{round(angle_tg * 100)} %"

            tag = element.Description or get_label_text()
@@ -113,19 +113,6 @@ class BIM_PT_camera(Panel):
            row.prop(props, "fill_mode")
            row = self.layout.row()
            row.prop(props, "cut_mode")
-
-        row = self.layout.row()
-        row.prop(props, "use_edge_classification")
-        if props.use_edge_classification:
-            row = self.layout.row()
-            row.prop(props, "render_creases")
-            row.prop(props, "valley_angle_min_degrees")
-            row = self.layout.row()
-            row.prop(props, "render_sharp")
-            row.prop(props, "ridge_angle_min_degrees")
-            row = self.layout.row()
-            row.prop(props, "render_flush")
-
        row = self.layout.row()
        row.prop(props, "width")
        row = self.layout.row()
@@ -332,8 +319,6 @@ class BIM_PT_drawings(Panel):

                row3.separator(factor=0.5, type="SPACE")

-                row3.operator("bim.copy_annotation_to_drawing", icon="PASTEDOWN", text="")
-
                row3.operator("bim.select_all_drawings", icon="CHECKBOX_HLT", text="")
                row3.operator("bim.create_drawing", text="", icon="OUTPUT")
                row3.operator("bim.convert_svg_to_dxf", text="", icon="SEQ_PREVIEW").view = active_drawing.name
@@ -341,7 +326,6 @@ class BIM_PT_drawings(Panel):
            self.layout.template_list(
                "BIM_UL_drawinglist", "", self.props, "drawings", self.props, "active_drawing_index"
            )
-            self.layout.prop(self.props, "show_drawings_on_sheets_only")


 class BIM_PT_schedules(Panel):
@@ -874,8 +858,8 @@ class BIM_UL_drawinglist(bpy.types.UIList):
            layout.label(text="", translate=False)
            return

+        row = layout.row(align=True)
        if item.is_drawing:
-            row = layout.row(align=True)
            row.label(text="", icon="BLANK1")
            selected_icon = "CHECKBOX_HLT" if item.is_selected else "CHECKBOX_DEHLT"
            row.prop(item, "is_selected", text="", icon=selected_icon, emboss=False)
@@ -896,9 +880,6 @@ class BIM_UL_drawinglist(bpy.types.UIList):
                    item.ifc_definition_id
                )
        else:
-            # Give category headers a distinct inset background so they stand out from drawing rows.
-            box = layout.box()
-            row = box.row(align=True)
            if item.target_view == "PLAN_VIEW":
                icon = "UV_FACESEL"
            elif item.target_view == "ELEVATION_VIEW":
@@ -919,55 +900,7 @@ class BIM_UL_drawinglist(bpy.types.UIList):
                op = row.operator("bim.toggle_target_view", text="", emboss=False, icon="DISCLOSURE_TRI_RIGHT")
                op.target_view = item.target_view
                op.option = "EXPAND"
-            group = tool.Drawing.get_visible_drawings_in_category(item.target_view)
-            all_selected = bool(group) and all(d.is_selected for d in group)
-            row.operator(
-                "bim.toggle_drawing_category_selection",
-                text="",
-                icon="CHECKBOX_HLT" if all_selected else "CHECKBOX_DEHLT",
-                emboss=False,
-            ).target_view = item.target_view
-            row.separator(factor=0.5, type="SPACE")
-            # Clicking the header name toggles expand/contract, same as the disclosure triangle.
-            op = row.operator("bim.toggle_target_view", text=item.name, icon=icon, emboss=False)
-            op.target_view = item.target_view
-            op.option = "CONTRACT" if item.is_expanded else "EXPAND"
-
-    def filter_items(self, context, data: DocProperties, propname: str):
-        drawings = getattr(data, propname)
-        helper_funcs = bpy.types.UI_UL_list
-
-        flt_flags = []
-        flt_neworder = []
-
-        if self.filter_name:
-            flt_flags = helper_funcs.filter_items_by_name(
-                self.filter_name,
-                self.bitflag_filter_item,
-                drawings,
-                "name",
-                reverse=self.use_filter_sort_reverse,
-            )
-        if not flt_flags:
-            flt_flags = [self.bitflag_filter_item] * len(drawings)
-
-        props = tool.Drawing.get_document_props()
-        if props.show_drawings_on_sheets_only:
-            ifc_file = tool.Ifc.get()
-            sheeted_ids = tool.Drawing.get_sheeted_drawing_ids()
-            # Target view headers are only shown if they contain a sheeted drawing.
-            sheeted_target_views = {
-                tool.Drawing.get_drawing_target_view(ifc_file.by_id(drawing_id)) for drawing_id in sheeted_ids
-            }
-            for i, item in enumerate(drawings):
-                if item.is_drawing:
-                    is_visible = item.ifc_definition_id in sheeted_ids
-                else:
-                    is_visible = item.target_view in sheeted_target_views
-                if not is_visible:
-                    flt_flags[i] &= ~self.bitflag_filter_item
-
-        return flt_flags, flt_neworder
+            row.prop(item, "name", text="", icon=icon, emboss=False)


 class BIM_UL_sheets(bpy.types.UIList):
@@ -1031,14 +964,14 @@ class BIM_UL_sheets(bpy.types.UIList):

        if self.filter_name:
            filter_name = self.filter_name.lower()
-            active_sheet_index = None
+            active_sheet = None
            for sheet in data.sheets:
                if sheet.is_sheet:
+                    active_sheet = sheet
                    active_sheet_index = len(flt_flags)
                if filter_name in sheet.name.lower() or filter_name in sheet.identification.lower():
                    flt_flags.append(self.bitflag_filter_item)
                    if not sheet.is_sheet:
-                        assert active_sheet_index is not None
                        flt_flags[active_sheet_index] = self.bitflag_filter_item
                else:
                    flt_flags.append(0)
@@ -225,9 +225,6 @@ class AnnotationToolUI:
    def draw_edit_object_interface(cls, context):
        if DecoratorData.get_text_data(bpy.context.active_object):
            add_layout_hotkey_operator(cls.layout, "Edit Text", "S_E", "")
-        if bpy.ops.bim.copy_annotation_to_drawing.poll():
-            row = cls.layout.row(align=True)
-            row.operator("bim.copy_annotation_to_drawing", icon="PASTEDOWN", text="Copy To Drawing")

    @classmethod
    def draw_type_selection_interface(cls):
@@ -75,13 +75,9 @@ class Helper:
        for face in bm.faces:
            if len(face.verts) > 4:
                potential_faces.append(face)
-
-        # TODO: replace with next(..., None)
-        face = None
        for face in potential_faces:
            if face.normal.z < -0.1:
                break
-        assert face is not None

        profile = [l.vert.index for l in face.loops]
        extrusion = self.detect_extrusion_edge(bm, face)
@@ -112,12 +108,10 @@ class Helper:
        if not potential_faces:
            potential_faces = bm.faces

-        # TODO: replace with next(..., None)
-        face = None
        for face in potential_faces:
            if face.normal.z < -0.1:
                break
-        assert face is not None
+
        profile = [l.vert.index for l in face.loops]
        extrusion = self.detect_extrusion_edge(bm, face)

@@ -151,12 +145,9 @@ class Helper:
            if total_verts > 4:
                potential_faces.append(face)

-        # TODO: replace with next(..., None)
-        face = None
        for face in potential_faces:
            if face.normal.z < -0.1:
                break
-        assert face is not None

        end_faces = []
        end_face_normal = face.normal
@@ -3527,15 +3527,12 @@ class EditRepresentationItemShapeAspect(bpy.types.Operator, tool.Ifc.Operator):
        if props.representation_item_shape_aspect == "NEW":
            active_representation = tool.Geometry.get_active_representation(obj)
            # find IfcProductRepresentationSelect based on current representation
-            product_shape = None
            if hasattr(element, "Representation"):  # IfcProduct
                product_shape = element.Representation
            else:  # IfcTypeProduct
                for representation_map in element.RepresentationMaps:
                    if representation_map.MappedRepresentation == active_representation:
                        product_shape = representation_map
-            assert product_shape is not None
-
            previous_shape_aspect_id = props.active_item.shape_aspect_id
            # will be None if item didn't had a shape aspect
            previous_shape_aspect = tool.Ifc.get_entity_by_id(previous_shape_aspect_id)
@@ -3885,8 +3882,6 @@ class AddSweptAreaSolidItem(bpy.types.Operator, tool.Ifc.Operator):
            curve = builder.rectangle(size=Vector((0.5, 0.5)) / unit_scale)
        elif self.shape == "CYLINDER":
            curve = builder.circle(radius=0.25 / unit_scale)
-        else:
-            assert False, self.shape
        item = builder.extrude(
            curve,
            magnitude=0.5 / unit_scale,
@@ -4124,31 +4119,6 @@ class OverrideMoveSelect(bpy.types.Operator):
                self.new_active_obj = obj
            return {"FINISHED"}

-        # Get arrays
-        ifc_file = tool.Ifc.get()
-        array_parents_to_move: list[bpy.types.Object] = []
-        for obj in list(context.selected_objects):
-            element = tool.Ifc.get_entity(obj)
-            if not element:
-                continue
-            pset = ifcopenshell.util.element.get_pset(element, "BBIM_Array")
-            if not pset:
-                continue
-            parent_element = ifc_file.by_guid(pset["Parent"])
-            parent_obj = tool.Ifc.get_object(parent_element)
-            if parent_obj not in array_parents_to_move:
-                array_parents_to_move.append(parent_obj)
-            if element.GlobalId != pset["Parent"]:
-                obj.select_set(False)
-
-        if array_parents_to_move:
-            for parent_obj in array_parents_to_move:
-                parent_element = tool.Ifc.get_entity(parent_obj)
-                for array_obj in tool.Array.get_all_objects(parent_element):
-                    array_obj.select_set(True)
-                self.new_active_obj = parent_obj
-            return {"FINISHED"}
-
        # Get nests
        props = tool.Nest.get_nest_props()
        not_editing_objs = [o.obj for o in props.not_editing_objects]
@@ -163,52 +163,14 @@ class AssignGroup(bpy.types.Operator, tool.Ifc.Operator):
    def _execute(self, context):
        if not self.is_assigning:
            return bpy.ops.bim.unassign_group(group=self.group)
-        ifc_file = tool.Ifc.get()
-        group = ifc_file.by_id(self.group)
        products = [
            element
            for o in tool.Blender.get_selected_objects(include_active=False)
            if (element := tool.Ifc.get_entity(o))
        ]
-        relocated_annotations = self.unassign_from_previous_drawing(ifc_file, group, products)
-        ifcopenshell.api.group.assign_group(ifc_file, products=products, group=group)
-        self.relocate_annotations_to_drawing(relocated_annotations, group)
+        ifcopenshell.api.group.assign_group(tool.Ifc.get(), products=products, group=tool.Ifc.get().by_id(self.group))
        self.report({"INFO"}, f"Assigned {len(products)} objects to group.")

-    def unassign_from_previous_drawing(self, ifc_file, group, products) -> list[ifcopenshell.entity_instance]:
-        """Assigning an annotation to a group that represents a drawing means the
-        annotation should belong to that drawing only, so it needs to leave
-        whichever drawing it was previously part of, instead of ending up
-        visible in both at once.
-        """
-        new_drawing = tool.Drawing.get_group_drawing(group)
-        if not new_drawing:
-            return []
-        relocated = []
-        for product in products:
-            if not product.is_a("IfcAnnotation") or product.ObjectType == "DRAWING":
-                continue
-            old_drawing = tool.Drawing.get_annotation_drawing(product)
-            if not old_drawing or old_drawing.id() == new_drawing.id():
-                continue
-            if old_group := tool.Drawing.get_drawing_group(old_drawing):
-                ifcopenshell.api.group.unassign_group(ifc_file, products=[product], group=old_group)
-            relocated.append(product)
-        return relocated
-
-    def relocate_annotations_to_drawing(self, products, group) -> None:
-        """Move the relocated annotations into the new drawing's collection and
-        depth, now that they have actually been assigned to its group.
-        """
-        if not products:
-            return
-        new_drawing = tool.Drawing.get_group_drawing(group)
-        new_camera = tool.Ifc.get_object(new_drawing) or tool.Drawing.import_drawing(new_drawing)
-        for product in products:
-            if obj := tool.Ifc.get_object(product):
-                tool.Drawing.ensure_annotation_in_drawing_plane(obj, camera=new_camera)
-                tool.Collector.assign(obj)
-

 class UnassignGroup(bpy.types.Operator, tool.Ifc.Operator):
    bl_idname = "bim.unassign_group"
@@ -156,7 +156,6 @@ class RadianceRender(bpy.types.Operator):
        print(f"Quality: {quality}, Detail: {detail}, Variability: {variability}")
        print(f"Output directory: {output_dir}")

-        hdr_image_path, hdr_mask_path, sky_map_cal_path = None, None
        if use_hdr:
            hdr_image = "noon_grass_2k.hdr"
            hdr_mask = "noon_grass_2k_mask.hdr"
@@ -255,9 +254,6 @@ class RadianceRender(bpy.types.Operator):
        # 4 0 0 -1 180

        if use_hdr and choose_hdr_image == "Noon":
-            assert hdr_image_path is not None
-            assert hdr_mask_path is not None
-            assert sky_map_cal_path is not None

            with open(sky_file_path, "w") as f:
                f.write(sky_description_str)
@@ -56,7 +56,6 @@ classes = (
    operator.RemoveMaterial,
    operator.RemoveMaterialSet,
    operator.RemoveProfile,
-    operator.RenameMaterial,
    operator.ReorderMaterialSetItem,
    operator.SelectByMaterial,
    operator.SelectMaterialInMaterialsUI,
@@ -102,26 +102,6 @@ class EditMaterial(bpy.types.Operator, tool.Ifc.Operator):
        core.edit_material(tool.Ifc, tool.Material, material=tool.Ifc.get().by_id(self.material))


-class RenameMaterial(bpy.types.Operator, tool.Ifc.Operator):
-    bl_idname = "bim.rename_material"
-    bl_label = "Rename Material"
-    bl_description = "Rename an IfcMaterial"
-    bl_options = {"REGISTER", "UNDO"}
-    material: bpy.props.IntProperty()
-    name: bpy.props.StringProperty(name="Name")
-
-    def invoke(self, context, event):
-        material = tool.Ifc.get().by_id(self.material)
-        self.name = material.Name or ""
-        return context.window_manager.invoke_props_dialog(self)
-
-    def draw(self, context):
-        self.layout.prop(self, "name")
-
-    def _execute(self, context):
-        core.rename_material(tool.Ifc, tool.Material, material=tool.Ifc.get().by_id(self.material), name=self.name)
-
-
 class DisableEditingMaterial(bpy.types.Operator):
    bl_idname = "bim.disable_editing_material"
    bl_label = "Disable Editing Material"
@@ -564,7 +564,6 @@ class SelectAllArrayObjects(bpy.types.Operator):
                    except RuntimeError:
                        self.report({"ERROR"}, f"Objects that don't have an array parent, were deselected.")
                        object.select_set(False)
-                        continue

                    array_objects = tool.Array.get_all_objects(parent_element)
                    tool.Blender.set_objects_selection(
@@ -93,30 +93,6 @@ def _stroke_lines_alpha(
    gpu.state.blend_set("NONE")


-def _connected_components(
-    vertex_groups: dict[int, list[bmesh.types.BMVert]],
-) -> list[list[bmesh.types.BMVert]]:
-    """Split each vertex group's members into their connected components,
-    since a duplicated arc/circle loop shares its source loop's group index."""
-    components = []
-    for verts in vertex_groups.values():
-        remaining = set(verts)
-        while remaining:
-            seed = remaining.pop()
-            stack = [seed]
-            component = [seed]
-            while stack:
-                v = stack.pop()
-                for edge in v.link_edges:
-                    other = edge.other_vert(v)
-                    if other in remaining:
-                        remaining.discard(other)
-                        stack.append(other)
-                        component.append(other)
-            components.append(component)
-    return components
-
-
 class ProfileDecorator:
    installed = None

@@ -289,7 +265,7 @@ class ProfileDecorator:
        # Draw arcs
        arc_centroids = []
        arc_segments = []
-        for arc in _connected_components(arcs):
+        for arc in arcs.values():
            if len(arc) != 3:
                continue
            sorted_arc = [None, None, None]
@@ -316,7 +292,7 @@ class ProfileDecorator:
        # Draw circles
        circle_centroids = []
        circle_segments = []
-        for circle in _connected_components(circles):
+        for circle in circles.values():
            if len(circle) != 2:
                continue
            p1 = obj.matrix_world @ circle[0].co
@@ -408,8 +408,6 @@ class MEPGenerator:
                    compare = tool.Cad.is_x(requested_value, fitting_value, compare_precision)
                elif isinstance(fitting_value, list):
                    compare = tool.Cad.are_vectors_equal(requested_value, Vector(fitting_value), precision)
-                else:
-                    assert False, f"{key} {second_key}"
                return compare

            ignore_keys = []
@@ -478,13 +476,11 @@ class MEPGenerator:
            if predefined_type == "OBSTRUCTION":
                return packed_data

-            start_port = None
            for port in ports:
                port_local_position = V(*port.ObjectPlacement.RelativePlacement.Location.Coordinates)
                if tool.Cad.is_x(port_local_position.length, 0.0):
                    start_port = port
                    break
-            assert start_port is not None

            connected_port = tool.System.get_connected_port(start_port)
            connected_element = tool.System.get_port_relating_element(connected_port)
@@ -325,7 +325,7 @@ class AddOccurrence(bpy.types.Operator, tool.Ifc.Operator):
        if self.from_invoke and str(self.relating_type_id) in AuthoringData.data["relating_type_id"]:
            props.relating_type_id = str(self.relating_type_id)

-        building_obj, building_element = None, None
+        building_obj = None
        if len(context.selected_objects) == 1 and context.active_object:
            building_obj = context.active_object
            building_element = tool.Ifc.get_entity(building_obj)
@@ -593,8 +593,6 @@ class DumbProfileJoiner:
            axisl = (profile2.matrix_world.inverted() @ axis1[1]) - (profile2.matrix_world.inverted() @ axis1[0])
        elif connection1 == "ATSTART":
            axisl = (profile2.matrix_world.inverted() @ axis1[0]) - (profile2.matrix_world.inverted() @ axis1[1])
-        else:
-            assert False, connection1
        xy_angle = degrees(Vector((1, 0)).angle_signed(axisl.normalized().to_2d()))
        if xy_angle >= -135 and xy_angle <= -45:
            closest_plane = "bottom"
@@ -619,8 +617,6 @@ class DumbProfileJoiner:
                axisl = (profile1.matrix_world.inverted() @ axis2[1]) - (profile1.matrix_world.inverted() @ axis2[0])
            elif connection2 == "ATSTART":
                axisl = (profile1.matrix_world.inverted() @ axis2[0]) - (profile1.matrix_world.inverted() @ axis2[1])
-            else:
-                assert False, connection2
            xy_angle2 = degrees(Vector((1, 0)).angle_signed(axisl.normalized().to_2d()))
            if xy_angle2 >= -135 and xy_angle2 <= -45:
                closest_plane2 = "bottom"
@@ -848,8 +844,6 @@ class DumbProfileJoiner:
            else:
                y_axis = obj.matrix_world.to_quaternion() @ Vector((0, 1, 0))
                z_axis = obj.matrix_world.to_quaternion() @ Vector((-1, 0, 0))
-        else:
-            assert False, plane
        return self.create_matrix(p, x_axis, y_axis, z_axis)

    def create_matrix(self, p: Vector, x: Vector, y: Vector, z: Vector) -> Matrix:
@@ -508,7 +508,6 @@ class EditSketchExtrusionProfile(bpy.types.Operator, tool.Ifc.Operator):
        converter.run()

        profile = tool.Ifc.get().createIfcArbitraryClosedProfileDef("AREA")
-        curve = None
        for path in converter.paths:
            points = []
            lines = path[0]
@@ -518,7 +517,6 @@ class EditSketchExtrusionProfile(bpy.types.Operator, tool.Ifc.Operator):
                points.append(tool.Ifc.get().createIfcCartesianPoint(local_point))
            points.append(points[0])
            curve = tool.Ifc.get().createIfcPolyline(points)
-        assert curve
        profile.OuterCurve = curve

        old_profile = extrusion.SweptArea
@@ -1577,7 +1577,6 @@ class DumbWallJoiner:
        # Get the ATEND connection from wall1 to use it in wall2
        relating_element = None
        connections = element1.ConnectedTo
-        relating_connection, description = ..., ...
        for conn in connections:
            if conn.is_a("IfcRelConnectsPathElements") and conn.RelatingConnectionType == "ATEND":
                relating_element = conn.RelatedElement
@@ -1592,7 +1591,6 @@ class DumbWallJoiner:
                description = conn.Description
                bonsai.core.geometry.remove_connection(tool.Geometry, connection=conn)
        if relating_element:
-            assert relating_connection is not ... and description is not ...
            ifcopenshell.api.geometry.connect_path(
                tool.Ifc.get(),
                relating_element=relating_element,
@@ -162,7 +162,7 @@ class ProjectLibraryData:
        library_file = IfcStore.library_file
        if library_file is None or library_file.schema == "IFC2X3":
            return results
-        root = library_file.by_type("IfcProject")[0]
+        root = tool.Project.get_root_context(library_file)
        results.append((str(root.id()), f"{root.is_a()} {root.Name or 'Unnamed'}", root.Description or ""))
        for library_id, data in cls.data["project_libraries"].items():
            results.append((str(library_id), data["Name"] or "Unnamed", data["Description"] or ""))
@@ -281,7 +281,7 @@ class RefreshLibrary(bpy.types.Operator):
        elements = {e for e in elements if not tool.Project.is_element_assigned_to_project_library(e, rels)}
        self.props.add_library_project_library("Unassigned", len(elements), 0, False)

-        root_context = library_file.by_type("IfcProject")[0]
+        root_context = tool.Project.get_root_context(library_file)
        hierarchy = tool.Project.get_project_hierarchy(library_file)
        tool.Project.load_project_libraries_to_ui(root_context, hierarchy)
        return {"FINISHED"}
@@ -714,8 +714,6 @@ class AppendLibraryElement(bpy.types.Operator, tool.Ifc.Operator):
            representations = element.RepresentationMaps or []
        elif element.is_a("IfcProduct"):
            representations = [element.Representation] if element.Representation else []
-        else:
-            assert False, element
        for representation in representations or []:
            for element in self.file.traverse(representation):
                if not element.is_a("IfcRepresentationItem") or not element.StyledByItem:
@@ -761,22 +759,21 @@ class EditProjectLibrary(bpy.types.Operator):
        attributes = bonsai.bim.helper.export_attributes(props.project_library_attributes)
        ifcopenshell.api.attribute.edit_attributes(library_file, project_library, attributes)

-        # Update parent library. Tear down the old IfcRelDeclares/IfcRelNests before
-        # creating the new one; a library must have exactly one of the two, never both.
+        # Update parent library.
        previous_parent_library = tool.Project.get_parent_library(project_library)
        new_parent_library = library_file.by_id(int(props.parent_library))
        if previous_parent_library != new_parent_library:
-            if previous_parent_library is not None:
-                if previous_parent_library.is_a("IfcProject"):
-                    ifcopenshell.api.project.unassign_declaration(
-                        library_file, [project_library], previous_parent_library
-                    )
-                else:
-                    ifcopenshell.api.nest.unassign_object(library_file, [project_library])
-            if new_parent_library.is_a("IfcProject"):
-                ifcopenshell.api.project.assign_declaration(library_file, [project_library], new_parent_library)
-            else:
+            if previous_parent_library is None:
+                # Edited library was a root in a library-only file; nest it under the new parent.
                ifcopenshell.api.nest.assign_object(library_file, [project_library], new_parent_library)
+            elif previous_parent_library.is_a("IfcProject"):
+                # Then new one is IfcProjectLibrary.
+                ifcopenshell.api.nest.assign_object(library_file, [project_library], new_parent_library)
+            else:  # Previous is IfcProjectLibrary.
+                ifcopenshell.api.nest.unassign_object(library_file, [project_library])
+                # If new one is IfcProject, then it's already assigned by default.
+                if new_parent_library.is_a("IfcProjectLibrary"):
+                    ifcopenshell.api.nest.assign_object(library_file, [project_library], new_parent_library)

        props.is_editing_project_library = False
        bpy.ops.bim.refresh_library()
@@ -810,9 +807,12 @@ class AddProjectLibrary(bpy.types.Operator):
        props = tool.Project.get_project_props()
        library_file = IfcStore.library_file
        assert library_file
-        root_context = library_file.by_type("IfcProject")[0]
+        root_context = tool.Project.get_root_context(library_file)
        project_library = ifcopenshell.api.root.create_entity(library_file, "IfcProjectLibrary")
-        ifcopenshell.api.project.assign_declaration(library_file, [project_library], root_context)
+        if root_context.is_a("IfcProject"):
+            ifcopenshell.api.project.assign_declaration(library_file, [project_library], root_context)
+        else:
+            ifcopenshell.api.nest.assign_object(library_file, [project_library], root_context)
        ProjectLibraryData.load()  # Update enum.
        props.selected_project_library = str(project_library.id())
        props.is_editing_project_library = True
@@ -1299,10 +1299,6 @@ class LoadProjectElements(bpy.types.Operator):
        tool.Project.set_default_modeling_dimensions()
        tool.Root.reload_grid_decorator()
        bonsai.bim.handler.refresh_ui_data()
-        for screen in bpy.data.screens:
-            for area in screen.areas:
-                if area.type == "VIEW_3D":
-                    bonsai.bim.handler.viewport_shading_changed_callback(area)
        return {"FINISHED"}

    def get_decomposition_elements(self) -> set[ifcopenshell.entity_instance]:
@@ -1580,13 +1576,10 @@ class LoadLink(bpy.types.Operator, tool.Ifc.Operator):
        json_filepath = self.filepath_.with_suffix(".ifc.cache.json")

        def should_clear_cache() -> bool:
-            # Nothing to clear if the cache file was never created (e.g. a
-            # fresh link). Check this first so os.remove below is never
-            # called on a non-existent path, regardless of use_cache.
-            if not blend_filepath.exists():
-                return False
            if not self.use_cache:
                return True
+            if not blend_filepath.exists():
+                return False
            data = json.loads(json_filepath.read_text())
            # Empty 'query' - model loaded without custom query.
            # Missing 'query' - model was loaded before custom queries were introduced in Bonsai.
@@ -2036,7 +2029,6 @@ class ExportIFC(bpy.types.Operator, ExportHelper):
        project_props = tool.Project.get_project_props()
        prefs = tool.Blender.get_addon_preferences()
        project_props.use_relative_project_path = self.use_relative_path
-        old_history_size, old_undo_steps = None, None
        if prefs.should_disable_undo_on_save:
            old_history_size = tool.Ifc.get().history_size
            old_undo_steps = context.preferences.edit.undo_steps
@@ -2044,7 +2036,6 @@ class ExportIFC(bpy.types.Operator, ExportHelper):
            context.preferences.edit.undo_steps = 0
        IfcStore.execute_ifc_operator(self, context)
        if prefs.should_disable_undo_on_save:
-            assert old_history_size is not None and old_undo_steps is not None
            tool.Ifc.get().history_size = old_history_size
            context.preferences.edit.undo_steps = old_undo_steps
        return {"FINISHED"}
@@ -113,8 +113,6 @@ class EditPset(bpy.types.Operator, tool.Ifc.Operator):
        elif props.active_pset_type == "QTO":
            pset = ifcopenshell.api.pset.add_qto(self.file, product=element, name=props.active_pset_name)
            props.active_pset_id = pset.id()
-        else:
-            assert False

        if self.properties:
            properties = json.loads(self.properties)
@@ -228,8 +228,6 @@ def get_qto_name(self: "PsetProperties", context: bpy.types.Context) -> tool.Ble
    if "bpy.data.objects" in pset_type:
        if prop_type == "PsetProperties":
            results = get_object_qto_name(self, context)
-        else:
-            assert False
    elif prop_type == "TaskPsetProperties":
        results = get_task_qto_names(self, context)
    elif prop_type == "ResourcePsetProperties":
@@ -480,7 +480,6 @@ class BIM_PT_material_psets(Panel):
    def draw(self, context):
        assert self.layout
        props = tool.Material.get_material_props()
-        ifc_definition_id = None
        if material := props.active_material:
            ifc_definition_id = material.ifc_definition_id

@@ -104,7 +104,7 @@ def get_footing_length(o: bpy.types.Object) -> float:
        return get_length(o)
    if predefined_type == "FOOTING_BEAM" or predefined_type == "STRIP_FOOTING":
        return get_z(o)
-    elif predefined_type == "PAD_FOOTING" or predefined_type == "PILE_CAP":
+    elif predefined_type == "PAD_FOOTING":
        return max(get_x(o), get_y(o))
    else:
        return get_length(o)
@@ -197,26 +197,12 @@ def get_footing_height(o: bpy.types.Object) -> float:
        return get_height(o)
    if predefined_type == "FOOTING_BEAM" or predefined_type == "STRIP_FOOTING":
        return get_y(o)
-    elif predefined_type == "PAD_FOOTING" or predefined_type == "PILE_CAP":
+    elif predefined_type == "PAD_FOOTING":
        return get_z(o)
    else:
        return get_height(o)


-def get_footing_width(o: bpy.types.Object) -> float:
-    element = tool.Ifc.get_entity(o)
-    assert element
-    predefined_type = ifcopenshell.util.element.get_predefined_type(element)
-    if not predefined_type:
-        return get_width(o)
-    if predefined_type == "FOOTING_BEAM" or predefined_type == "STRIP_FOOTING":
-        return get_x(o)
-    elif predefined_type == "PAD_FOOTING" or predefined_type == "PILE_CAP":
-        return get_width(o)
-    else:
-        return get_width(o)
-
-
 def get_height(o: bpy.types.Object) -> float:
    """_summary_: Returns the height of the object bounding box

@@ -239,7 +225,7 @@ def get_opening_depth(obj: bpy.types.Object) -> float:
    if is_opening_horizontal(obj):
        return get_height(obj)
    else:
-        return get_y(obj)
+        return get_width(obj)


 def get_opening_mapping_area(obj: bpy.types.Object) -> float:
@@ -413,13 +413,12 @@ class UnlinkObject(bpy.types.Operator, tool.Ifc.Operator):
    skip_invoke: bpy.props.BoolProperty(default=False, options={"SKIP_SAVE"})

    def _execute(self, context):
-        objects: list[bpy.types.Object]
        if self.obj:
-            requested_obj = bpy.data.objects.get(self.obj)
-            objects = [requested_obj] if requested_obj is not None else []
+            objects = [bpy.data.objects.get(self.obj)]
        else:
            objects = context.selected_objects

+        objects: list[bpy.types.Object]
        for obj in objects:
            was_active_object = obj == context.active_object

@@ -631,13 +630,10 @@ class AddElement(bpy.types.Operator, tool.Ifc.Operator):
                    local_z = wall_matrix.to_3x3() @ Vector((0, 0, 1))
                    direction_sense = getattr(usage, "DirectionSense", "POSITIVE")

-                    layer_set_direction = usage.LayerSetDirection
-                    if layer_set_direction == "AXIS2":
+                    if usage.LayerSetDirection == "AXIS2":
                        z_axis = tuple(local_y) if direction_sense == "POSITIVE" else tuple(-local_y)
-                    elif layer_set_direction == "AXIS3":
+                    elif usage.LayerSetDirection == "AXIS3":
                        z_axis = tuple(local_z) if direction_sense == "POSITIVE" else tuple(-local_z)
-                    else:
-                        assert False, layer_set_direction

                    item = builder.extrude(
                        profile,
@@ -767,8 +763,6 @@ class AddElement(bpy.types.Operator, tool.Ifc.Operator):
                        WebThickness=default_web_thickness / unit_scale,
                        FlangeThickness=default_flange_thickness / unit_scale,
                    )
-                else:
-                    assert False, representation_template

            rel = ifcopenshell.api.material.assign_material(
                tool.Ifc.get(), products=[element], type="IfcMaterialProfileSet"
@@ -132,12 +132,5 @@ class SelectSimilarData:
            if pset.endswith("Common"):
                keys.extend([f'/.*Common/."{name}"' for name in properties.keys() if name != "id"])
            else:
-                pset_part = f'"{pset}"' if " " in pset else pset
-                keys.extend(
-                    [
-                        f'{pset_part}."{name}"' if " " in name else f"{pset_part}.{name}"
-                        for name in properties.keys()
-                        if name != "id"
-                    ]
-                )
+                keys.extend([f"{pset}.{name}" for name in properties.keys() if name != "id"])
        return [(k, k, "") for k in keys]
@@ -1009,7 +1009,6 @@ class ColourByProperty(Operator):
        palette = props.palette
        is_qualitative = palette in ("tab10", "paired")

-        colours = None
        if is_qualitative:
            colours = tool.Search.get_qualitative_palette(palette)

@@ -1036,7 +1035,6 @@ class ColourByProperty(Operator):
                if value in colourscheme:
                    colourscheme[value]["total"] += 1
                else:
-                    assert colours is not None
                    colourscheme[value] = {"colour": next(colours)[0:3], "total": 1}
                obj.color = (*colourscheme[value]["colour"], 1)
            else:
@@ -1141,7 +1139,6 @@ class SelectByProperty(Operator):

        is_qualitative = palette in ("tab10", "paired")

-        values = None
        if not is_qualitative:
            values = []
            for colour in props.colourscheme:
@@ -12,7 +12,7 @@ function create_gantt_chart(json_data) {
        vShowTaskInfoLink: 1, // Show link in tool tip (0/1)
        vShowEndWeekDate: 0,  // Show/Hide the date for the last day of the week in header for daily
        vUseSingleCell: 10000, // Set the threshold cell per table row (Helps performance for large data.
-        vFormatArr: ['Hour', 'Day', 'Week', 'Month', 'Quarter'], // vUseSingleCell keeps Hour usable on large charts.
+        vFormatArr: ['Day', 'Week', 'Month', 'Quarter'], // Even with setUseSingleCell using Hour format on such a large chart can cause issues in some browsers,
        vShowRes: true, // Disable the resource column.
        vShowComp: false, // Disable the completion column.
        vShowDur: false, // Disable the duration column, because jsgantt doesn't calculate durations the way we want.
@@ -281,11 +281,11 @@ class BIM_PT_work_schedules(Panel):
    def draw_task_operators(self) -> None:
        row = self.layout.row(align=True)
        row.alignment = "RIGHT"
-        task, ifc_definition_id = None, None
+        ifc_definition_id = None
        if self.tprops.tasks and self.props.active_task_index < len(self.tprops.tasks):
            task = self.tprops.tasks[self.props.active_task_index]
            ifc_definition_id = task.ifc_definition_id
-        if task and ifc_definition_id:
+        if ifc_definition_id:
            if self.props.active_task_id:
                if self.props.editing_task_type == "TASKTIME":
                    row.operator("bim.edit_task_time", text="", icon="CHECKMARK")
@@ -341,8 +341,6 @@ class BIM_PT_work_schedules(Panel):
            row.prop(self.props, "other_columns", text="")
            column_type, name = self.props.other_columns.split(".")
            data_type = "string"
-        else:
-            assert False, column_type
        row.operator("bim.set_task_sort_column", text="", icon="SORTALPHA").column = f"{column_type}.{name}"
        row.prop(
            self.props, "is_sort_reversed", text="", icon="SORT_DESC" if self.props.is_sort_reversed else "SORT_ASC"
@@ -516,7 +516,7 @@ class SetContainerVisibility(bpy.types.Operator):
        if self.mode == "ISOLATE":
            if tool.Ifc.get_schema() == "IFC2X3":
                containers = tool.Ifc.get().by_type("IfcSpatialStructureElement")
-            else:
+            elif tool.Ifc.get_schema() != "IFC2X3":
                containers = set(tool.Ifc.get().by_type("IfcSpatialElement"))
                containers -= set(tool.Ifc.get().by_type("IfcSpatialZone"))
            for container in containers:
@@ -125,7 +125,6 @@ class BIM_PT_spatial_decomposition(Panel):
            row.label(text="Warning: No Default Container", icon="ERROR")
        row.operator("bim.import_spatial_decomposition", icon="FILE_REFRESH", text="")

-        ifc_definition_id = None
        if self.props.active_container:
            ifc_definition_id = self.props.active_container.ifc_definition_id
            row = self.layout.row(align=True)
@@ -171,7 +170,6 @@ class BIM_PT_spatial_decomposition(Panel):

        if not self.props.active_container:
            return
-        assert ifc_definition_id is not None

        container_has_elements = bool(self.props.total_elements)
        if container_has_elements:
@@ -45,7 +45,6 @@ class SpatialTool(WorkSpaceTool):
        ("bim.spatial_hotkey", {"type": "T", "value": "PRESS", "shift": True}, {"properties": [("hotkey", "S_T")]}),
        ("bim.spatial_hotkey", {"type": "G", "value": "PRESS", "shift": True}, {"properties": [("hotkey", "S_G")]}),
        ("bim.spatial_hotkey", {"type": "H", "value": "PRESS", "shift": True}, {"properties": [("hotkey", "S_H")]}),
-        ("bim.spatial_hotkey", {"type": "Q", "value": "PRESS", "shift": True}, {"properties": [("hotkey", "S_Q")]}),
    )

    def draw_settings(context, layout, ws_tool):
@@ -185,9 +184,3 @@ class Hotkey(bpy.types.Operator, tool.Ifc.Operator):

    def hotkey_S_G(self):
        bpy.ops.bim.generate_space()
-
-    def hotkey_S_Q(self):
-        # Mirrors BimTool.hotkey_S_Q so quantities can be (re)calculated without switching tools.
-        if not bpy.context.selected_objects:
-            return
-        bpy.ops.bim.perform_quantity_take_off()
--- a/Show More
+++ b/Show More