generated: '2026-07-20'
method: searched
source: https://github.com/pola-rs/polars/releases
scheme: semver
notes: Polars publishes per-binding GitHub Releases (Python, Rust) with dated changelogs; the Rust core and Python wheel version independently.
current:
  python: 1.42.1
  rust: 0.54.4
entries:
- version: 'py-1.42.1'
  date: '2026-06-30'
  breaking: false
  highlights:
  - Bug fixes and performance improvements
  - Fix incorrect sorted fast-path returning nan for grouped max
  - Fix panic on scan_parquet filter of fixed-size binary column
- version: 'py-1.42.0'
  date: '2026-06-24'
  breaking: false
  highlights:
  - Deprecate the strict parameter of pl.concat in favor of how='horizontal_extend'
  - New features and query-engine enhancements
- version: 'rust-0.54.4'
  date: '2026-06-04'
  breaking: false
  highlights:
  - Rust core release with bug fixes and optimizer improvements
- version: 'py-1.41.2'
  date: '2026-05-29'
  breaking: false
  highlights:
  - Patch release with bug fixes
- version: 'py-1.41.1'
  date: '2026-05-27'
  breaking: false
  highlights:
  - Patch release with bug fixes