Ruff jumped from 59 to 413 default rules, catching syntax errors and runtime issues previously opt-in—unpinned dependencies will break CI until you fix violations or pin the version.
Summary
Blanket rule enablement forces immediate remediation across projects; comprehensive test coverage makes upgrades safe but requires active fix or version pinning to prevent CI failures. Caught hundreds of minor issues in production codebases.
Why it matters
Blanket rule enablement forces immediate remediation across projects; comprehensive test coverage makes upgrades safe but requires active fix or version pinning to prevent CI failures. Caught hundreds of minor issues in production codebases.
Implementation verdict
Replaces implicit linting configuration discipline with stricter defaults. Requires either pinning ruff version, running `ruff check . --fix --unsafe-fixes` to auto-remediate, or configuring ignored rules in pyproject.toml. Worth upgrading now if your project has strong test coverage; expect 100–1600+ violations depending on codebase size.
Sources
Dev Signal
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