v0.5.0: Deletion and performance improvements

What's Changed

New features

• Delete rows in a dataset with Dataset.delete()
  • Add delete() method to Python API by @wjones127 in #953
  • feat: handle deletes in count_rows, updater, merge by @wjones127 in #995
  • feat: add feature flags to the dataset manifest by @wjones127 in #979
• You can now customize the log level to reduce verbose messages
  • Use log and allow users to customize log via LANCE_LOG env by @eddyxu in #987
• Negative numbers are now fully supported in SQL expressions
  • [rust] Added support for minus operator for numeric literals by @trueutkarsh in #983
• openblas is now an optional dependency
  • Add feature flag for opq by @TevinWang in #998
• Remove a directory (dataset) recursively. by @eddyxu in #1011

Bugfixes

• fix s3 get_range issues: 416, range not satisfiable by @LiWeiJie in #975
• fix: make sure we are always running with a single partition by @wjones127 in #977
• fix: handle NaN values in argmin by @wjones127 in #1000

Performance Improvments

• [Rust] Reduce arrow overhead during kmean training by @eddyxu in #990
• Zero copy during kmean membership computation by @eddyxu in #992
• [Rust] Improve kmean training performance by removing dynamic dispatch by @eddyxu in #996

Other

• upgrade to arrow 40 and datafusion 26 by @chebbyChefNEQ in #1005
• bump arrow versions on duckdb intergration as well by @chebbyChefNEQ in #1007
• Remove a directory (dataset) recursively. by @eddyxu in #1011

New Contributors

• @trueutkarsh made their first contribution in #983
• @TevinWang made their first contribution in #998

Full Changelog: v0.4.21...v0.5.0