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@github-actions github-actions released this 24 Jun 01:11
Immutable release. Only release title and notes can be modified.
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Release Notes

Released on 2026-06-23.

Preview features

  • Support human-readable names when hovering suppression comments and in code actions (#26114)

Bug fixes

  • Fall back to default settings when editor-only settings are invalid (#26244)
  • Fix panic when inserting text at a notebook cell boundary (#26111)

Rule changes

  • [pylint] Update fix suggestions for __floor__, __trunc__, __length_hint__, and __matmul__ variants (PLC2801) (#26239)

Performance

  • Avoid allocating when parsing single string literals (#26200)
  • Avoid reallocating singleton call arguments (#26223)
  • Lazily create source files for lint diagnostics (#26226)
  • Optimize formatter text width and indentation (#26236)
  • Reserve capacity for builtin bindings (#26229)
  • Skip repeated-key checks for singleton dictionaries (#26228)
  • Use ArrayVec for qualified name segments (#26224)

Documentation

  • [flake8-pyi] Note that PYI051 is an opinionated stylistic rule (#26179)
  • [pyupgrade] Clarify UP029 as a Python 2 compatibility rule (#26243)

Other changes

  • Publish Ruff crates to crates.io (#26271)

Contributors

Install ruff 0.15.19

Install prebuilt binaries via shell script

curl --proto '=https' --tlsv1.2 -LsSf https://releases.astral.sh/github/ruff/releases/download/0.15.19/ruff-installer.sh | sh

Install prebuilt binaries via powershell script

powershell -ExecutionPolicy Bypass -c "irm https://releases.astral.sh/github/ruff/releases/download/0.15.19/ruff-installer.ps1 | iex"

Download ruff 0.15.19

File Platform Checksum
ruff-aarch64-apple-darwin.tar.gz Apple Silicon macOS checksum
ruff-x86_64-apple-darwin.tar.gz Intel macOS checksum
ruff-aarch64-pc-windows-msvc.zip ARM64 Windows checksum
ruff-i686-pc-windows-msvc.zip x86 Windows checksum
ruff-x86_64-pc-windows-msvc.zip x64 Windows checksum
ruff-aarch64-unknown-linux-gnu.tar.gz ARM64 Linux checksum
ruff-i686-unknown-linux-gnu.tar.gz x86 Linux checksum
ruff-powerpc64-unknown-linux-gnu.tar.gz PPC64 Linux checksum
ruff-powerpc64le-unknown-linux-gnu.tar.gz PPC64LE Linux checksum
ruff-riscv64gc-unknown-linux-gnu.tar.gz RISCV Linux checksum
ruff-s390x-unknown-linux-gnu.tar.gz S390x Linux checksum
ruff-x86_64-unknown-linux-gnu.tar.gz x64 Linux checksum
ruff-armv7-unknown-linux-gnueabihf.tar.gz ARMv7 Linux checksum
ruff-aarch64-unknown-linux-musl.tar.gz ARM64 MUSL Linux checksum
ruff-i686-unknown-linux-musl.tar.gz x86 MUSL Linux checksum
ruff-x86_64-unknown-linux-musl.tar.gz x64 MUSL Linux checksum
ruff-arm-unknown-linux-musleabihf.tar.gz ARMv6 MUSL Linux (Hardfloat) checksum
ruff-armv7-unknown-linux-musleabihf.tar.gz ARMv7 MUSL Linux checksum

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/ruff

You 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>