Update versions and CHANGELOG for 16.0.0

CHANGELOG-old.md

@@ -17,6 +17,78 @@
   under the License.
 -->
 
+
+## [15.0.0](https://github.com/apache/arrow-rs/tree/15.0.0) (2022-05-27)
+
+[Full Changelog](https://github.com/apache/arrow-rs/compare/14.0.0...15.0.0)
+
+**Breaking changes:**
+
+- Change `ArrayDataBuilder::null_bit_buffer` to accept `Option<Buffer>` rather than `Buffer` [\#1739](https://github.com/apache/arrow-rs/pull/1739) [[arrow](https://github.com/apache/arrow-rs/labels/arrow)] ([HaoYang670](https://github.com/HaoYang670))
+- Remove `null_count` from `ArrayData::try_new()` [\#1721](https://github.com/apache/arrow-rs/pull/1721) [[arrow](https://github.com/apache/arrow-rs/labels/arrow)] ([HaoYang670](https://github.com/HaoYang670))
+- Change parquet writers to use standard `std:io::Write` rather custom `ParquetWriter` trait \(\#1717\) \(\#1163\) [\#1719](https://github.com/apache/arrow-rs/pull/1719) [[parquet](https://github.com/apache/arrow-rs/labels/parquet)] ([tustvold](https://github.com/tustvold))
+- Add explicit column mask for selection in parquet: `ProjectionMask` \(\#1701\) [\#1716](https://github.com/apache/arrow-rs/pull/1716) [[parquet](https://github.com/apache/arrow-rs/labels/parquet)] ([tustvold](https://github.com/tustvold))
+- Add type\_ids in Union datatype [\#1703](https://github.com/apache/arrow-rs/pull/1703) [[parquet](https://github.com/apache/arrow-rs/labels/parquet)] [[arrow](https://github.com/apache/arrow-rs/labels/arrow)] ([viirya](https://github.com/viirya))
+- Fix Parquet Reader's Arrow Schema Inference [\#1682](https://github.com/apache/arrow-rs/pull/1682) [[parquet](https://github.com/apache/arrow-rs/labels/parquet)] [[arrow](https://github.com/apache/arrow-rs/labels/arrow)] ([tustvold](https://github.com/tustvold))
+
+**Implemented enhancements:**
+
+- Rename the `string` kernel to `concatenate_elements` [\#1747](https://github.com/apache/arrow-rs/issues/1747) [[arrow](https://github.com/apache/arrow-rs/labels/arrow)]
+- `ArrayDataBuilder::null_bit_buffer` should accept `Option<Buffer>` as input type [\#1737](https://github.com/apache/arrow-rs/issues/1737) [[arrow](https://github.com/apache/arrow-rs/labels/arrow)]
+- Fix schema comparison for non\_canonical\_map when running flight test [\#1730](https://github.com/apache/arrow-rs/issues/1730) [[arrow](https://github.com/apache/arrow-rs/labels/arrow)]
+- Add support in aggregate kernel for `BinaryArray` [\#1724](https://github.com/apache/arrow-rs/issues/1724) [[arrow](https://github.com/apache/arrow-rs/labels/arrow)]
+- Fix incorrect null\_count in `generate_unions_case` integration test [\#1712](https://github.com/apache/arrow-rs/issues/1712) [[arrow](https://github.com/apache/arrow-rs/labels/arrow)]
+- Keep type ids in Union datatype to follow Arrow spec and integrate with other implementations [\#1690](https://github.com/apache/arrow-rs/issues/1690) [[arrow](https://github.com/apache/arrow-rs/labels/arrow)]
+- Support Reading Alternative List Representations to Arrow From Parquet [\#1680](https://github.com/apache/arrow-rs/issues/1680) [[parquet](https://github.com/apache/arrow-rs/labels/parquet)]
+- Speed up the offsets checking [\#1675](https://github.com/apache/arrow-rs/issues/1675) [[arrow](https://github.com/apache/arrow-rs/labels/arrow)]
+- Separate Parquet -\> Arrow Schema Conversion From ArrayBuilder [\#1655](https://github.com/apache/arrow-rs/issues/1655) [[parquet](https://github.com/apache/arrow-rs/labels/parquet)]
+- Add `leaf_columns` argument to `ArrowReader::get_record_reader_by_columns` [\#1653](https://github.com/apache/arrow-rs/issues/1653) [[parquet](https://github.com/apache/arrow-rs/labels/parquet)]
+- Implement `string_concat` kernel  [\#1540](https://github.com/apache/arrow-rs/issues/1540) [[arrow](https://github.com/apache/arrow-rs/labels/arrow)]
+- Improve Unit Test Coverage of ArrayReaderBuilder [\#1484](https://github.com/apache/arrow-rs/issues/1484) [[parquet](https://github.com/apache/arrow-rs/labels/parquet)]
+
+**Fixed bugs:**
+
+- Parquet write failure \(from record batches\) when data is nested two levels deep  [\#1744](https://github.com/apache/arrow-rs/issues/1744) [[parquet](https://github.com/apache/arrow-rs/labels/parquet)]
+- IPC reader may break on projection [\#1735](https://github.com/apache/arrow-rs/issues/1735) [[arrow](https://github.com/apache/arrow-rs/labels/arrow)]
+- Latest nightly fails to build with feature simd [\#1734](https://github.com/apache/arrow-rs/issues/1734) [[arrow](https://github.com/apache/arrow-rs/labels/arrow)]
+- Trying to write parquet file in parallel results in corrupt file [\#1717](https://github.com/apache/arrow-rs/issues/1717) [[parquet](https://github.com/apache/arrow-rs/labels/parquet)]
+- Roundtrip failure when using DELTA\_BINARY\_PACKED [\#1708](https://github.com/apache/arrow-rs/issues/1708) [[parquet](https://github.com/apache/arrow-rs/labels/parquet)]
+- `ArrayData::try_new` cannot always return expected error. [\#1707](https://github.com/apache/arrow-rs/issues/1707) [[arrow](https://github.com/apache/arrow-rs/labels/arrow)]
+-  "out of order projection is not supported" after Fix Parquet Arrow Schema Inference [\#1701](https://github.com/apache/arrow-rs/issues/1701) [[parquet](https://github.com/apache/arrow-rs/labels/parquet)]
+- Rust is not interoperability with C++ for IPC schemas with dictionaries [\#1694](https://github.com/apache/arrow-rs/issues/1694) [[arrow](https://github.com/apache/arrow-rs/labels/arrow)]
+- Incorrect Repeated Field Schema Inference [\#1681](https://github.com/apache/arrow-rs/issues/1681) [[parquet](https://github.com/apache/arrow-rs/labels/parquet)]
+- Parquet Treats Embedded Arrow Schema as Authoritative [\#1663](https://github.com/apache/arrow-rs/issues/1663) [[parquet](https://github.com/apache/arrow-rs/labels/parquet)]
+- parquet\_to\_arrow\_schema\_by\_columns Incorrectly Handles Nested Types [\#1654](https://github.com/apache/arrow-rs/issues/1654) [[parquet](https://github.com/apache/arrow-rs/labels/parquet)]
+- Inconsistent Arrow Schema When Projecting Nested Parquet File [\#1652](https://github.com/apache/arrow-rs/issues/1652) [[parquet](https://github.com/apache/arrow-rs/labels/parquet)]
+- StructArrayReader Cannot Handle Nested Lists [\#1651](https://github.com/apache/arrow-rs/issues/1651) [[parquet](https://github.com/apache/arrow-rs/labels/parquet)]
+- Bug \(`substring` kernel\): The null buffer is not aligned when `offset != 0` [\#1639](https://github.com/apache/arrow-rs/issues/1639) [[arrow](https://github.com/apache/arrow-rs/labels/arrow)]
+
+**Documentation updates:**
+
+- Parquet command line tool does not install "globally" [\#1710](https://github.com/apache/arrow-rs/issues/1710) [[parquet](https://github.com/apache/arrow-rs/labels/parquet)]
+- Improve integration test document to follow Arrow C++ repo CI [\#1742](https://github.com/apache/arrow-rs/pull/1742) [[arrow](https://github.com/apache/arrow-rs/labels/arrow)] ([viirya](https://github.com/viirya))
+
+**Merged pull requests:**
+
+- Test for list array equality with different offsets [\#1756](https://github.com/apache/arrow-rs/pull/1756) [[arrow](https://github.com/apache/arrow-rs/labels/arrow)] ([alamb](https://github.com/alamb))
+- Rename `string_concat` to `concat_elements_utf8` [\#1754](https://github.com/apache/arrow-rs/pull/1754) [[arrow](https://github.com/apache/arrow-rs/labels/arrow)] ([alamb](https://github.com/alamb))
+- Rename the `string` kernel to `concat_elements`. [\#1752](https://github.com/apache/arrow-rs/pull/1752) [[arrow](https://github.com/apache/arrow-rs/labels/arrow)] ([HaoYang670](https://github.com/HaoYang670))
+- Support writing nested lists to parquet [\#1746](https://github.com/apache/arrow-rs/pull/1746) [[parquet](https://github.com/apache/arrow-rs/labels/parquet)] ([tustvold](https://github.com/tustvold))
+- Pin nightly version to bypass packed\_simd build error [\#1743](https://github.com/apache/arrow-rs/pull/1743) ([viirya](https://github.com/viirya))
+- Fix projection in IPC reader [\#1736](https://github.com/apache/arrow-rs/pull/1736) [[arrow](https://github.com/apache/arrow-rs/labels/arrow)] ([iyupeng](https://github.com/iyupeng))
+- `cargo install` installs not globally [\#1732](https://github.com/apache/arrow-rs/pull/1732) [[parquet](https://github.com/apache/arrow-rs/labels/parquet)] ([kazuk](https://github.com/kazuk))
+- Fix schema comparison for non\_canonical\_map when running flight test [\#1731](https://github.com/apache/arrow-rs/pull/1731) ([viirya](https://github.com/viirya))
+- Add `min_binary` and `max_binary` aggregate kernels [\#1725](https://github.com/apache/arrow-rs/pull/1725) [[arrow](https://github.com/apache/arrow-rs/labels/arrow)] ([HaoYang670](https://github.com/HaoYang670))
+- Fix parquet benchmarks [\#1723](https://github.com/apache/arrow-rs/pull/1723) [[parquet](https://github.com/apache/arrow-rs/labels/parquet)] ([tustvold](https://github.com/tustvold))
+- Fix BitReader::get\_batch zero extension \(\#1708\) [\#1722](https://github.com/apache/arrow-rs/pull/1722) [[parquet](https://github.com/apache/arrow-rs/labels/parquet)] ([tustvold](https://github.com/tustvold))
+- Implementation string concat [\#1720](https://github.com/apache/arrow-rs/pull/1720) [[arrow](https://github.com/apache/arrow-rs/labels/arrow)] ([Ismail-Maj](https://github.com/Ismail-Maj))
+- Check the length of `null_bit_buffer` in `ArrayData::try_new()` [\#1714](https://github.com/apache/arrow-rs/pull/1714) [[arrow](https://github.com/apache/arrow-rs/labels/arrow)] ([HaoYang670](https://github.com/HaoYang670))
+- Fix incorrect null\_count in `generate_unions_case` integration test [\#1713](https://github.com/apache/arrow-rs/pull/1713) [[arrow](https://github.com/apache/arrow-rs/labels/arrow)] ([viirya](https://github.com/viirya))
+- Fix: Null buffer accounts for `offset` in `substring` kernel. [\#1704](https://github.com/apache/arrow-rs/pull/1704) [[arrow](https://github.com/apache/arrow-rs/labels/arrow)] ([HaoYang670](https://github.com/HaoYang670))
+- Minor: Refine `OffsetSizeTrait` to extend `num::Integer`  [\#1702](https://github.com/apache/arrow-rs/pull/1702) [[arrow](https://github.com/apache/arrow-rs/labels/arrow)] ([HaoYang670](https://github.com/HaoYang670))
+- Fix StructArrayReader handling nested lists \(\#1651\)  [\#1700](https://github.com/apache/arrow-rs/pull/1700) [[parquet](https://github.com/apache/arrow-rs/labels/parquet)] ([tustvold](https://github.com/tustvold))
+- Speed up the offsets checking [\#1684](https://github.com/apache/arrow-rs/pull/1684) [[arrow](https://github.com/apache/arrow-rs/labels/arrow)] ([HaoYang670](https://github.com/HaoYang670))
+
 ## [14.0.0](https://github.com/apache/arrow-rs/tree/14.0.0) (2022-05-13)
 
 [Full Changelog](https://github.com/apache/arrow-rs/compare/13.0.0...14.0.0)