python-v0.5.2

• new update_incremental API for streaming table update
• fix a bug in load_version method causing duplicated data @zijie0
• fix crash on table load caused by null partition value @zijie0
• support filtering on null partition value in table load predicate @zijie0

python-v0.5.1

• added columns argument to to_pyarrow_table method to support projections on PyArrow Table conversion @zijie0
• added to_pandas shortcut method to convert a DeltaTable directly to pandas dataframe @bramrodenburg

rust-v0.4.0

• added primitive writer API
• added new DeltaTable method get_file_paths_by_partitions
• added new DeltaTable method get_active_add_actions
• added new DeltaTable method update_incremental
• renamed log_bytes_from_actions to log_entry_from_actions
• avoided clone in DeltaTable's get_files method
• renamed camelCased fields to snake_case thanks to @nfx
• added multi-writer support for S3 backend
• optimized vacuum operation
• added checkpoint writer
• added s3-rustls feature
• added checkpoint lambda function
• made lock optional when creating s3 backend
• added missing partition component in parquet path thanks to @viirya
• started using delta statistics (row nums, null count, total bytes) in datafusion integration, thanks to @Dandandan @viirya
• avoid unnecessary object head in DeltaTable's get_latest_version method thanks to @viirya
• fixed file content write flush in fs storage backend

python-v0.5.0

• Optimize vacuum operation
• Manage empty delta table in Python binding
• Improve Python binding development
• Add repair of failed/expired rename in S3 backend
• Fix Rename camelCased fields to snake_case
• Introduce the primitive writer API which will put a file and create the "add" action
• Add commit_version method to DeltaTransaction
• Add tests and Err restructure for commit_version
• Inline JSON action join when creating delta log entry
• Avoid commit loop call from commit_version
• Rename log_bytes_from_actions to log_entry_from_actions
• Add get_file_paths_by_partitions in Python bindings

python-v0.4.8

• Bump the version of pyarrow needed for Python bindings
• Honor AWS_REGION env var for S3 endpoint override
• Add valueContainsNull for the MapType in DeltaTable schema
• Add Vacuum command in DeltaTable
• Add "element" as the arrow list field name
• Add Date, StructArray, and Map for Pyarrow types in Python schema bindings
• Make list object streams send

python-v0.4.7

• Add createdTime in Metadata
• Update arrow dependency to 4.0.0
• Add dry_run vacuum command
• Accommodate AWS_ENDPOINT_URL in the python binding to allow alternatives to S3
• Add support for hive style partitioning when reading a table with to_pyarrow_dataset
• Allow to_pyarrow_table() to take an optional list of partitions

python-v0.4.6

• Add documentation for Python bindings
• Change the default Delta timestamp to Nanoseconds for Arrow
• Add pyarrow floatingpoint in Python bindings
• Add Metadata in Python bindings

python-v0.4.5

• Add the functionality of filtering partitions when reading a partitioned DeltaTable
• Improve the Python documentation using docstring
• Enable date column support for delta to arrow schema conversion
• Fix the struct data type generation in the Python schema method
• Add the schema when reading DeltaTable parquet files with pyarrow in Python
• Support custom endpoint URL for S3 backend

python-v0.4.4

fix glibc linking for linux build

python-v0.4.3

fix windows build