Issues

• [Bug]: sdist compiler wrapper rewrites -lgcc_s to -lunwind for toolchains that link libgcc_s themselves

  bug
  aspect-build/rules_py#1641 · Filter by author Spikhalskiy opened on Oct 23, 2026

• [Bug]: sdist builds lose -flag=<path> toolchain paths such as -resource-dir=, so clang can't find its builtin headers

  bug
  aspect-build/rules_py#1640 · Filter by author Spikhalskiy opened on Oct 23, 2026

• [Bug]: py_image_layer's mtree step runs readlink -f on every regular file and discards the result

  bug
  aspect-build/rules_py#1638 · Filter by author Spikhalskiy opened on Oct 23, 2026

• [Bug]: py_image_layer drops runfiles root_symlinks/symlinks entries, so Bash runfiles lookups fail in the image on Bazel 9

  bug
  aspect-build/rules_py#1636 · Filter by author Spikhalskiy opened on Oct 23, 2026

• [Bug]: pyright and ty can't resolve wheels that reach the venv only through site.addsitedir

  bug
  aspect-build/rules_py#1634 · Filter by author Spikhalskiy opened on Oct 23, 2026

• [Bug]: py_binary/py_test export a runfiles-relative VIRTUAL_ENV that breaks after a chdir

  bug
  aspect-build/rules_py#1633 · Filter by author Spikhalskiy opened on Oct 23, 2026

• [FR]: Collect coverage of native code (C/C++/Rust) loaded by py_test

  aspect-build/rules_py#1631 · Filter by author Spikhalskiy opened on Oct 23, 2026

• [Bug]: pytest sharding splits tests before -k / -m / --deselect filtering, leaving shards empty

  bug
  aspect-build/rules_py#1629 · Filter by author Spikhalskiy opened on Oct 23, 2026

• [Bug]: uv extension fails with key "version" not found on uv.lock records of packages with a dynamic version

  bug
  aspect-build/rules_py#1627 · Filter by author Spikhalskiy opened on Oct 23, 2026

• [Bug]: py_pex_binary output depends on input file modes, so local and remote builds differ

  aspect-build/rules_py#1621 · Filter by author ctcjab opened on Oct 22, 2026

• [Bug]: py_image_layer tar bytes depend on input filesystem hardlinks

  bug
  aspect-build/rules_py#1612 · Filter by author joeybutton opened on Oct 21, 2026
  3

• [FR]: gazelle_python_manifest: index wheels in the build's own platform

  aspect-build/rules_py#1608 · Filter by author kmosher opened on Oct 15, 2026

• uv: hub package aliases have no default actual branch, so cquery --output=proto crashes in multi-group workspaces

  bug
  aspect-build/rules_py#1605 · Filter by author Spikhalskiy opened on Oct 9, 2026

• py_tools extension fails when two non-root modules register the default rules_py_tools

  aspect-build/rules_py#1582 · Filter by author rickmark opened on Oct 5, 2026

• [Bug]: exec-configured Python tools inherit the target platform's platform_libc / platform_version

  bug
  aspect-build/rules_py#1574 · Filter by author sallustfire opened on Oct 1, 2026
  

• [Bug]: pytest_shard can assign the same test to multiple shards, or to none, if pytest-randomly is included in the deps

  bug
  aspect-build/rules_py#1571 · Filter by author tyler-breisacher-zipline opened on Sep 29, 2026
  1

• [FR]: Get rules_py working with the hermetic Linux sandbox

  aspect-build/rules_py#1521 · Filter by author acozzette opened on Sep 3, 2026

• [Bug]: pyi_deps, pyi_srcs not supported by py_library

  bug
  aspect-build/rules_py#1514 · Filter by author addisonjones3 opened on Sep 1, 2026
  

• fix(uv): 2.x conflict groups silently drop Torch transitive dependencies

  aspect-build/rules_py#1510 · Filter by author henridwyer opened on Aug 31, 2026

• [Bug]: _aspect.pth entries anchored two level above the runfiles root when the target lives in an external repo.

  bug
  aspect-build/rules_py#1509 · Filter by author oikox opened on Aug 30, 2026

• feat(uv): let builds declare their execution fleet's platform identity for PEP 517 frontends

  aspect-build/rules_py#1487 · Filter by author xangcastle opened on Aug 26, 2026
  1

  

• [FR]: A first-party wheel rule that builds with uv's backend

  aspect-build/rules_py#1480 · Filter by author maxbartel opened on Aug 21, 2026

• [Bug]: py_layer_tier ignores root

  bug
  aspect-build/rules_py#1476 · Filter by author tsudol-plaid opened on Aug 20, 2026

• py_binary and py_test analyzed rule kinds silently bypass rules_lint Python aspects

  aspect-build/rules_py#1415 · Filter by author TrapsterDK opened on Aug 11, 2026

• WhlInstall prints SyntaxError for non-Python .py template during pyc precompilation

  aspect-build/rules_py#1412 · Filter by author TrapsterDK opened on Aug 10, 2026