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arrow 59.0.0

Changelog

59.0.0 (2026-06-04)

Full Changelog

Breaking changes:

• chore: Remove some deprecated Arrow functions from the public API #10040 [arrow] (etseidl)
• chore: Remove some deprecated functions from parquet crate #10035 [parquet] (etseidl)
• Replace From<Vec<_>> impls with TryFroms for FixedSizeBinaryArray #10019 [parquet] [arrow] (quantumish)
• Use Thrift macro to generate Parquet LogicalType serialization code #9997 [parquet] (etseidl)
• refactor: make BloomFilterProperties fpp/ndv private with accessors #9969 [parquet] (CuteChuanChuan)
• Remove deprecated parquet::format module and thrift dependency #9962 [parquet] (jhorstmann)
• generic channel support for FlightClient #9933 [arrow] [arrow-flight] (rumenov)
• Add CompressionCodec Thrift enum for Parquet metadata #9864 [parquet] (etseidl)
• [Variant] remove BorrowedShreddingState #9791 (sdf-jkl)
• Remove deprecated legacy like kernels in arrow-string #9674 [arrow] (AdamGS)

Implemented enhancements:

• Allow casting plain struct to dictionary encoded struct #10038 [arrow]
• Optimize arrow-flight #10029
• Align buffers when importing via from_ffi / ArrowArrayStreamReader #10028 [arrow]
• Switch Parquet LogicalType enum to macro generated version #9995 [parquet]
• Future proof Parquet Thrift parser #9973 [parquet]
• Add DatePart 1-indexed variants #9964 [arrow]
• perf: Rework Parquet Thrift handling of boolean fields #9946 [parquet]
• Add benchmarks for REE to parquet #9935 [parquet] [arrow]
• (re) Allow Large FixedSizeBinaryArrays #9906 [arrow]

... (truncated)

Sourced from arrow's changelog.

59.0.0 (2026-06-04)

Full Changelog

Breaking changes:

• chore: Remove some deprecated Arrow functions from the public API #10040 [arrow] (etseidl)
• chore: Remove some deprecated functions from parquet crate #10035 [parquet] (etseidl)
• Replace From<Vec<_>> impls with TryFroms for FixedSizeBinaryArray #10019 [parquet] [arrow] (quantumish)
• Use Thrift macro to generate Parquet LogicalType serialization code #9997 [parquet] (etseidl)
• refactor: make BloomFilterProperties fpp/ndv private with accessors #9969 [parquet] (CuteChuanChuan)
• Remove deprecated parquet::format module and thrift dependency #9962 [parquet] (jhorstmann)
• generic channel support for FlightClient #9933 [arrow] [arrow-flight] (rumenov)
• Add CompressionCodec Thrift enum for Parquet metadata #9864 [parquet] (etseidl)
• [Variant] remove BorrowedShreddingState #9791 (sdf-jkl)
• Remove deprecated legacy like kernels in arrow-string #9674 [arrow] (AdamGS)

Implemented enhancements:

• Allow casting plain struct to dictionary encoded struct #10038 [arrow]
• Optimize arrow-flight #10029
• Align buffers when importing via from_ffi / ArrowArrayStreamReader #10028 [arrow]
• Switch Parquet LogicalType enum to macro generated version #9995 [parquet]
• Future proof Parquet Thrift parser #9973 [parquet]
• Add DatePart 1-indexed variants #9964 [arrow]
• perf: Rework Parquet Thrift handling of boolean fields #9946 [parquet]
• Add benchmarks for REE to parquet #9935 [parquet] [arrow]
• (re) Allow Large FixedSizeBinaryArrays #9906 [arrow]
• Add a is_normalized flag to DictionaryArray #9841
• [Variant] Remove BorrowedShreddingState #9790
• [parquet] Expose whether FileDecryptionProperties uses a KeyRetriever #9721 [parquet]
• Align cast logic for from/to_decimal for variant to cast kernel #9688 [arrow]

Fixed bugs:

• parquet-variant build might fail on s390x #10026
• FixedSizeBinaryArray implements From<Vec<&[u8]>> etc despite conversion being fallible #10018 [parquet] [arrow]
• string -> decimal cast should not treat empty string as 0 #10009 [arrow]
• Cast FixedSizeList to List will lost datatype metadata in list #10004 [arrow]
• Record reader panics with "index out of bounds" when row group num_rows exceeds actual column data #9992 [parquet]
• parquet predicate-cache: panic / silent row drop on single-leaf nullable struct #9982 [parquet]
• parquet-variant doesn't build on 32-bit targets #9977
• Date32 doesn't parse date with large year #9960 [arrow]
• msrv check failing on main due to tonic@0.14.6 #9938 [parquet] [arrow] [arrow-flight]

Documentation updates:

• Release arrow-rs / parquet Minor/Patch version 58.3.0 or 58.2.1 (May 2026) #9859
• Add docs for BitWriter #9949 [parquet] (alamb)
• Add docs for BitReader #9948 [parquet] (alamb)

... (truncated)

• e5e66fa Add test for parquet-testing/bad_data/ARROW-[GH-47662](https://github.com/apache/arrow-rs/issues/47662).parquet (#10077)
• 9f96a8f Prepare for 59.0.0 release (#10063)
• d7ef673 Bump max throughput in flight benchmark before blocking (#10070)
• 8042ea2 Pluggable page spilling API for the Parquet ArrowWriter (PageStore) (#10020)
• 1e8ea5e fix(parquet): bound data page byte size for large variable-width values (#9972)
• 2a1d40d Reduce Miri runtime even more (#9650)
• 97f4b14 arrow-buffer: i256: implement ilog (#9453)
• 6c39797 Improve email created by create_tarball.sh script (#9944)
• 9949226 perf(parquet): LevelInfoBuilder batch write when no repetition childs (#10037)
• 58bdc7d arrow-buffer: i256: Implement num_traits wrapping shift (#9418)
• Additional commits viewable in compare view