python-v1.4.2
Summary
Python v1.4.2 introduces session-first DataFusion integration with resolution policies and exposes deletion vector metadata and payloads as Arrow streams. The release also includes fixes for stats alignment, schema merging with generated columns, streaming adapters, and improves performance through per-stream schema caching.
Summary generated by brickster.ai. For the full changelog and any code/binary attachments, follow the GitHub link above.
More from delta-io/delta-rs
Added support for dropping NOT NULL column constraints and custom token credentials in Unity Catalog, plus lazy snapshot materialization and replay capabilities. Fixed delete operations on string columns and OPTIMIZE failures on Spark-written tables; Change Data Feed now respects commit timestamps and supports deletion vectors.
Python-delta v1.6.2 consolidates table URL parsing logic across platforms and exposes partition_values_map as a new public API for accessing partition metadata. The release also fixes merge operation barriers, preserves container values when null counts are invalid, and resolves SFTP dependency issues on Windows.
python-v1.6.1: Column Mapping write support
This release adds column mapping write support and BlindDeltaTable for stats-free appends, alongside improvements to data skipping and partition pruning. S3DynamoDbLogStore has been removed in preparation for 1.0.0.
Delta-rs v0.32.4 is a backport maintenance release of the 0.32.x line following the main branch's move to 1.x, with voluntary ongoing support. The release announcement does not specify user-facing changes; refer to the full changelog for actual features, fixes, or breaking changes since v0.32.3.
rust-v0.32.3 adds support for the variant data type in Delta Lake schemas. The release is otherwise documentation maintenance with no other user-facing changes.
PyArrow 21.0.0 is now required and brings preliminary variant type support; this release also fixes regressions in MERGE operations, partition column changes, S3 GIL contention, and Unity Catalog operations. New features include typed custom metadata support in CommitProperties and Musl arm64 wheels.