Python Polars 1.2.1

🚀 Performance improvements

• Specify tune-cpu & add more features (#17615)
• Better GC and push_view for binviews (#17627)

✨ Enhancements

• Raise error instead of panic in unsupported serde (#17679)
• Expose Arrow C interface directly on Polars (#17696)
• Include file path option for NDJSON (#17681)

🐞 Bug fixes

• Use bytemuck in slice reinterpret for Parquet ArrayChunks (#17700)
• Remove non-existing names from __all__ (#17494)
• Fix return type hint for LazyFrame sink methods (#17698)
• Propagate struct outer nullability eagerly (#17697)
• Address read_database issue with batched reads from Snowflake (#17688)
• Use ETag for HTTP file cache invalidation (#17684)

📖 Documentation

• Fixed default name for value_counts methods based on normalize parameter (#17685)

📦 Build system

• Pin setuptools to fix failing CI (#17695)

🛠️ Other improvements

• Fix return type hint for LazyFrame sink methods (#17698)
• Pin setuptools to fix failing CI (#17695)
• Name tests so they actually run (#17690)
• Add reduce ComputeNode in new streaming engine (#17389)

Thank you to all our contributors for making this release possible!
@5j9, @ByteNybbler, @MarcoGorelli, @alexander-beedie, @coastalwhite, @diegoglozano, @eitsupi, @nameexhaustion, @orlp, @ragyabraham, @ritchie46 and @ruihe774