Release Notes
Released on 2026-10-01.
Preview features
- Add a migration guide for categories (#28087)
- [
pyupgrade] Add rule for context manager iterator annotations (UP052) (#29000)
Performance
- Reduce memory used by diagnostics (#28951)
Server
- Avoid running
uv formatin untrusted workspaces (#28873)
Documentation
- Fix links to moved changelog sections and renamed mdtests (#28941)
- Add Python 3.15 as a supported version (#28907)
- Add ty as a type checker example (#28906)
Other changes
- Update Rust toolchain to 1.99 and MSRV to 1.97 (#29047)
Contributors
Install ruff 0.16.10
Install prebuilt binaries via shell script
curl --proto '=https' --tlsv1.2 -LsSf https://releases.astral.sh/github/ruff/releases/download/0.16.10/ruff-installer.sh | shInstall prebuilt binaries via powershell script
powershell -ExecutionPolicy Bypass -c "irm https://releases.astral.sh/github/ruff/releases/download/0.16.10/ruff-installer.ps1 | iex"Download ruff 0.16.10
Verifying GitHub Artifact Attestations
The artifacts in this release have attestations generated with GitHub Artifact Attestations. These can be verified by using the GitHub CLI:
gh attestation verify <file-path of downloaded artifact> --repo astral-sh/ruffYou can also download the attestation from GitHub and verify against that directly:
gh attestation verify <file-path of downloaded artifact> --bundle <file-path of downloaded attestation>