Sourced from ruff's releases.

0.15.10

Release Notes

Released on 2026-04-09.

Preview features

• [flake8-logging] Allow closures in except handlers (LOG004) (#24464)
• [flake8-self] Make SLF diagnostics robust to non-self-named variables (#24281)
• [flake8-simplify] Make the fix for collapsible-if safe in preview (SIM102) (#24371)

Bug fixes

• Avoid emitting multi-line f-string elements before Python 3.12 (#24377)
• Avoid syntax error from E502 fixes in f-strings and t-strings (#24410)
• Strip form feeds from indent passed to dedent_to (#24381)
• [pyupgrade] Fix panic caused by handling of octals (UP012) (#24390)
• Reject multi-line f-string elements before Python 3.12 (#24355)

Rule changes

• [ruff] Treat f-string interpolation as potential side effect (RUF019) (#24426)

Server

• Add support for custom file extensions (#24463)

Documentation

• Document adding fixes in CONTRIBUTING.md (#24393)
• Fix JSON typo in settings example (#24517)

Contributors

• @​charliermarsh
• @​dylwil3
• @​silverstein
• @​anishgirianish
• @​shizukushq
• @​zanieb
• @​AlexWaygood

Install ruff 0.15.10

Install prebuilt binaries via shell script

curl --proto '=https' --tlsv1.2 -LsSf https://releases.astral.sh/github/ruff/releases/download/0.15.10/ruff-installer.sh | sh

... (truncated)

Sourced from ruff's changelog.

0.15.10

Released on 2026-04-09.

Preview features

• [flake8-logging] Allow closures in except handlers (LOG004) (#24464)
• [flake8-self] Make SLF diagnostics robust to non-self-named variables (#24281)
• [flake8-simplify] Make the fix for collapsible-if safe in preview (SIM102) (#24371)

Bug fixes

• Avoid emitting multi-line f-string elements before Python 3.12 (#24377)
• Avoid syntax error from E502 fixes in f-strings and t-strings (#24410)
• Strip form feeds from indent passed to dedent_to (#24381)
• [pyupgrade] Fix panic caused by handling of octals (UP012) (#24390)
• Reject multi-line f-string elements before Python 3.12 (#24355)

Rule changes

• [ruff] Treat f-string interpolation as potential side effect (RUF019) (#24426)

Server

• Add support for custom file extensions (#24463)

Documentation

• Document adding fixes in CONTRIBUTING.md (#24393)
• Fix JSON typo in settings example (#24517)

Contributors

• @​charliermarsh
• @​dylwil3
• @​silverstein
• @​anishgirianish
• @​shizukushq
• @​zanieb
• @​AlexWaygood

• 252f761 Bump 0.15.10 (#24519)
• 37a1ec8 [ty] Fix assignability of intersections with bounded typevars (#24502)
• f518cc9 [ty] Allow partially stringified type[…] annotations (#24518)
• 16c4090 docs: fix JSON typo in settings example (#24517)
• 99d97bd [ty] Tighten up a few edge cases in Concatenate type-expression parsing (#2...
• 2714e34 [ty] Enable pull-diagnostics by default in E2E tests (#24516)
• d8bc700 LSP: Add support for custom extensions (#24463)
• a45f96d [ty] stop special-casing str constructor (#24514)
• 87a0f01 [ruff] Treat f-string interpolation as potential side effect in RUF019 (#24426)
• e9ba848 [ty] Fix excess subscript argument inference for non-generic types (#24354)
• Additional commits viewable in compare view

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