Merge remote-tracking branch 'origin/main' into gggg

* origin/main: (22 commits)
  [ty] Allow gradual lower/upper bounds in a constraint set (#21957)
  [ty] disallow explicit specialization of type variables themselves (#21938)
  [ty] Improve diagnostics for unsupported binary operations and unsupported augmented assignments (#21947)
  [ty] update implicit root docs (#21955)
  [ty] Enable even more goto-definition on inlay hints (#21950)
  Document known lambda formatting deviations from Black (#21954)
  [ty] fix hover type on named expression target (#21952)
  Bump benchmark dependencies (#21951)
  Keep lambda parameters on one line and parenthesize the body if it expands (#21385)
  [ty] Improve resolution of absolute imports in tests (#21817)
  [ty] Support `__all__ += submodule.__all__`
  [ty] Change frequency of invalid `__all__` debug message
  [ty] Add `KnownUnion::to_type()` (#21948)
  [ty] Classify `cls` as class parameter (#21944)
  [ty] Stabilize rename (#21940)
  [ty] Ignore `__all__` for document and workspace symbol requests
  [ty] Attach db to background request handler task (#21941)
  [ty] Fix outdated version in publish diagnostics after `didChange` (#21943)
  [ty] avoid fixpoint unioning of types containing current-cycle Divergent (#21910)
  [ty] improve bad specialization results & error messages (#21840)
  ...

Author: dcreager

CHANGELOG.md

@@ -1,5 +1,47 @@
 # Changelog
 
+## 0.14.9
+
+Released on 2025-12-11.
+
+### Preview features
+
+- \[`ruff`\] New `RUF100` diagnostics for unused range suppressions ([#21783](https://github.com/astral-sh/ruff/pull/21783))
+- \[`pylint`\] Detect subclasses of builtin exceptions (`PLW0133`) ([#21382](https://github.com/astral-sh/ruff/pull/21382))
+
+### Bug fixes
+
+- Fix comment placement in lambda parameters ([#21868](https://github.com/astral-sh/ruff/pull/21868))
+- Skip over trivia tokens after re-lexing ([#21895](https://github.com/astral-sh/ruff/pull/21895))
+- \[`flake8-bandit`\] Fix false positive when using non-standard `CSafeLoader` path (S506). ([#21830](https://github.com/astral-sh/ruff/pull/21830))
+- \[`flake8-bugbear`\] Accept immutable slice default arguments (`B008`) ([#21823](https://github.com/astral-sh/ruff/pull/21823))
+
+### Rule changes
+
+- \[`pydocstyle`\] Suppress `D417` for parameters with `Unpack` annotations ([#21816](https://github.com/astral-sh/ruff/pull/21816))
+
+### Performance
+
+- Use `memchr` for computing line indexes ([#21838](https://github.com/astral-sh/ruff/pull/21838))
+
+### Documentation
+
+- Document `*.pyw` is included by default in preview ([#21885](https://github.com/astral-sh/ruff/pull/21885))
+- Document range suppressions, reorganize suppression docs ([#21884](https://github.com/astral-sh/ruff/pull/21884))
+- Update mkdocs-material to 9.7.0 (Insiders now free) ([#21797](https://github.com/astral-sh/ruff/pull/21797))
+
+### Contributors
+
+- [@Avasam](https://github.com/Avasam)
+- [@MichaReiser](https://github.com/MichaReiser)
+- [@charliermarsh](https://github.com/charliermarsh)
+- [@amyreese](https://github.com/amyreese)
+- [@phongddo](https://github.com/phongddo)
+- [@prakhar1144](https://github.com/prakhar1144)
+- [@mahiro72](https://github.com/mahiro72)
+- [@ntBre](https://github.com/ntBre)
+- [@LoicRiegel](https://github.com/LoicRiegel)
+
 ## 0.14.8
 
 Released on 2025-12-04.

Cargo.lock

@@ -147,8 +147,8 @@ curl -LsSf https://astral.sh/ruff/install.sh | sh
 powershell -c "irm https://astral.sh/ruff/install.ps1 | iex"
 
 # For a specific version.
-curl -LsSf https://astral.sh/ruff/0.14.8/install.sh | sh
-powershell -c "irm https://astral.sh/ruff/0.14.8/install.ps1 | iex"
+curl -LsSf https://astral.sh/ruff/0.14.9/install.sh | sh
+powershell -c "irm https://astral.sh/ruff/0.14.9/install.ps1 | iex"
 ```
 
 You can also install Ruff via [Homebrew](https://formulae.brew.sh/formula/ruff), [Conda](https://anaconda.org/conda-forge/ruff),
@@ -181,7 +181,7 @@ Ruff can also be used as a [pre-commit](https://pre-commit.com/) hook via [`ruff
 ```yaml
 - repo: https://github.com/astral-sh/ruff-pre-commit
   # Ruff version.
-  rev: v0.14.8
+  rev: v0.14.9
   hooks:
     # Run the linter.
     - id: ruff-check

README.md

@@ -1,6 +1,6 @@
 [package]
 name = "ruff"
-version = "0.14.8"
+version = "0.14.9"
 publish = true
 authors = { workspace = true }
 edition = { workspace = true }

crates/ruff/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "ruff_linter"
-version = "0.14.8"
+version = "0.14.9"
 publish = false
 authors = { workspace = true }
 edition = { workspace = true }