docs(development): Add polars version bump guide#1727
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Document the step-by-step workflow for bumping the polars version, including common patterns for deprecations, CI troubleshooting tips, and NEWS.md conventions. Based on lessons learned from the py-1.37.1 → py-1.38.1 bump. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Pull request overview
Adds a new section to DEVELOPMENT.md documenting the workflow for bumping the pinned upstream Polars revision (in src/rust/Cargo.toml), with guidance on investigating upstream changes, regenerating artifacts, handling deprecations, and common CI issues.
Changes:
- Documented a step-by-step process for updating the Polars git
revpins and rebuilding/regenerating artifacts. - Added examples for parameter/method/class deprecation patterns intended to mirror existing codebase practices.
- Added CI troubleshooting notes and
NEWS.mdheading/link conventions for version bump PRs.
This is a personal setup, not a standard part of the workflow. Replace with generic guidance about comparing upstream tags. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
- Fix version bump explanation: DESCRIPTION is updated by build-lib-sums, not build-autogenerated-polars-version-file - Fix build-all description to include build-lib-sums and build-readme - Use local deprecated()/is_present() helpers instead of lifecycle:: prefix - Fix sprintf argument order in deprecation example (format_arg before format_fn) - Fix "deprecating a method" intro to cover both delegation and no-op patterns Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
eitsupi
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eitsupi
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Feb 8, 2026
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