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1 | 1 | # Changelog
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2 | 2 |
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| 3 | +## [v0.11.0](https://github.com/jorgecarleitao/arrow2/tree/v0.11.0) (2022-04-27) |
| 4 | + |
| 5 | +[Full Changelog](https://github.com/jorgecarleitao/arrow2/compare/v0.10.1...v0.11.0) |
| 6 | + |
| 7 | +**Breaking changes:** |
| 8 | + |
| 9 | +- Refactored parquet statistics deserialization [\#962](https://github.com/jorgecarleitao/arrow2/pull/962) ([jorgecarleitao](https://github.com/jorgecarleitao)) |
| 10 | +- Made GroupFilter `Send + Sync` [\#947](https://github.com/jorgecarleitao/arrow2/pull/947) ([jorgecarleitao](https://github.com/jorgecarleitao)) |
| 11 | + |
| 12 | +**New features:** |
| 13 | + |
| 14 | +- Added support for non-ordered projections to IPC reading [\#961](https://github.com/jorgecarleitao/arrow2/pull/961) ([jorgecarleitao](https://github.com/jorgecarleitao)) |
| 15 | +- Added support for reading indexed parquet pages [\#923](https://github.com/jorgecarleitao/arrow2/pull/923) ([jorgecarleitao](https://github.com/jorgecarleitao)) |
| 16 | + |
| 17 | +**Fixed bugs:** |
| 18 | + |
| 19 | +- Parquet regression: `exceptions.ArrowErrorException: NotYetImplemented("Can't read Dictionary(UInt32, LargeUtf8, false) from parquet")` [\#955](https://github.com/jorgecarleitao/arrow2/issues/955) |
| 20 | +- Reading Parquet binary column panics during deserialization 'attempt to subtract with overflow` [\#944](https://github.com/jorgecarleitao/arrow2/issues/944) |
| 21 | +- Reading Parquet file written by pyarrow with `lz4` compression fails with `OutOfSpec("Thrift out of range")` [\#940](https://github.com/jorgecarleitao/arrow2/issues/940) |
| 22 | +- Issues when trying to create a parquet file with FixedSizedListArray [\#691](https://github.com/jorgecarleitao/arrow2/issues/691) |
| 23 | +- Fixed bug in writing csv with buffer resizing [\#965](https://github.com/jorgecarleitao/arrow2/pull/965) ([ritchie46](https://github.com/ritchie46)) |
| 24 | +- Fixed bug in reading binary parquet [\#945](https://github.com/jorgecarleitao/arrow2/pull/945) ([jorgecarleitao](https://github.com/jorgecarleitao)) |
| 25 | +- Fixed error in writing fixedSizeListArray to parquet [\#941](https://github.com/jorgecarleitao/arrow2/pull/941) ([jorgecarleitao](https://github.com/jorgecarleitao)) |
| 26 | +- Fixed support to read dict nested binary parquet [\#924](https://github.com/jorgecarleitao/arrow2/pull/924) ([jorgecarleitao](https://github.com/jorgecarleitao)) |
| 27 | + |
| 28 | +**Enhancements:** |
| 29 | + |
| 30 | +- Reduced memory usage in reading parquet [\#964](https://github.com/jorgecarleitao/arrow2/pull/964) ([jorgecarleitao](https://github.com/jorgecarleitao)) |
| 31 | +- Simpler IPC code [\#939](https://github.com/jorgecarleitao/arrow2/pull/939) ([jorgecarleitao](https://github.com/jorgecarleitao)) |
| 32 | +- don't allocate string when writing to csv [\#935](https://github.com/jorgecarleitao/arrow2/pull/935) ([ritchie46](https://github.com/ritchie46)) |
| 33 | +- Removed un-needed generic parameter [\#927](https://github.com/jorgecarleitao/arrow2/pull/927) ([jorgecarleitao](https://github.com/jorgecarleitao)) |
| 34 | +- update to odbc-api 0.36.0 [\#925](https://github.com/jorgecarleitao/arrow2/pull/925) ([pacman82](https://github.com/pacman82)) |
| 35 | + |
| 36 | +**Documentation updates:** |
| 37 | + |
| 38 | +- Fixed example of parallel read via rayon [\#958](https://github.com/jorgecarleitao/arrow2/pull/958) ([jorgecarleitao](https://github.com/jorgecarleitao)) |
| 39 | +- Fixed guide deployment [\#931](https://github.com/jorgecarleitao/arrow2/pull/931) ([jorgecarleitao](https://github.com/jorgecarleitao)) |
| 40 | +- Typo fix [\#919](https://github.com/jorgecarleitao/arrow2/pull/919) ([bkmgit](https://github.com/bkmgit)) |
| 41 | + |
| 42 | +**Testing updates:** |
| 43 | + |
| 44 | +- Fixed patch of integration tests [\#960](https://github.com/jorgecarleitao/arrow2/pull/960) ([jorgecarleitao](https://github.com/jorgecarleitao)) |
| 45 | +- Added test for MapArray [\#942](https://github.com/jorgecarleitao/arrow2/pull/942) ([jorgecarleitao](https://github.com/jorgecarleitao)) |
| 46 | +- Fixed wrong clippy warning [\#938](https://github.com/jorgecarleitao/arrow2/pull/938) ([jorgecarleitao](https://github.com/jorgecarleitao)) |
| 47 | + |
3 | 48 | ## [v0.10.1](https://github.com/jorgecarleitao/arrow2/tree/v0.10.1) (2022-03-16)
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4 | 49 |
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5 | 50 | [Full Changelog](https://github.com/jorgecarleitao/arrow2/compare/v0.10.0...v0.10.1)
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