layout: default title: Apache Arrow 0.15.1 Release permalink: /release/0.15.1.html

Apache Arrow 0.15.1 (1 November 2019)

This is a major release covering more than 1 months of development.

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Contributors

This release includes 41 commits from 13 distinct contributors.

$ git shortlog -sn apache-arrow-0.15.0..apache-arrow-0.15.1
    10	Wes McKinney
    10	Antoine Pitrou
     7	Krisztián Szűcs
     2	tianchen92
     2	Joris Van den Bossche
     2	Sutou Kouhei
     2	Anthony Abate
     1	Uwe L. Korn
     1	Prudhvi Porandla
     1	Yuqi Gu
     1	ptaylor
     1	Rick Cobb
     1	tianchen

Patch Committers

The following Apache committers merged contributed patches to the repository.

$ git shortlog -csn apache-arrow-0.15.0..apache-arrow-0.15.1
    41	Krisztián Szűcs

Changelog

New Features and Improvements

  • ARROW-6610 - [C++] Add ARROW_FILESYSTEM=ON/OFF CMake configuration flag
  • ARROW-6661 - [Java] Implement APIs like slice to enhance VectorSchemaRoot
  • ARROW-6777 - [GLib][CI] Unpin gobject-introspection gem
  • ARROW-6852 - [C++] memory-benchmark build failed on Arm64
  • ARROW-6927 - [C++] Add gRPC version check
  • ARROW-6963 - [Packaging][Wheel][OSX] Use crossbow's command to deploy artifacts from travis builds

Bug Fixes

  • ARROW-6464 - [Java] Refactor FixedSizeListVector#splitAndTransfer with slice API
  • ARROW-6728 - [C#] Support reading and writing Date32 and Date64 arrays
  • ARROW-6740 - [Python] Unable to delete closed MemoryMappedFile on Windows
  • ARROW-6762 - [C++] JSON reader segfaults on newline
  • ARROW-6795 - [C#] Reading large Arrow files in C# results in an exception
  • ARROW-6806 - [C++] Segfault deserializing ListArray containing null/empty list
  • ARROW-6809 - [RUBY] Gem does not install on macOS due to glib2 3.3.7 compilation failure
  • ARROW-6813 - [Ruby] Arrow::Table.load with headers=true leads to exception in Arrow 0.15
  • ARROW-6834 - [C++] Pin gtest to 1.8.1 to triage failing Appveyor / MSVC build
  • ARROW-6844 - [C++][Parquet][Python] List columns read broken with 0.15.0
  • ARROW-6857 - [Python][C++] Segfault for dictionary_encode on empty chunked_array (edge case)
  • ARROW-6860 - [Python] Only link libarrow_flight.so to pyarrow._flight
  • ARROW-6861 - [Python] arrow-0.15.0 reading arrow-0.14.1-output Parquet dictionary column: Failure reading column: IOError: Arrow error: Invalid: Resize cannot downsize
  • ARROW-6869 - [C++] Dictionary “delta” building logic in builder_dict.h produces invalid arrays
  • ARROW-6873 - [Python] Stale CColumn reference break Cython cimport pyarrow
  • ARROW-6874 - [Python] Memory leak in Table.to_pandas() when conversion to object dtype
  • ARROW-6876 - [Python] Reading parquet file with many columns becomes slow for 0.15.0
  • ARROW-6877 - [C++] Boost not found from the correct environment
  • ARROW-6878 - [Python] pa.array() does not handle list of dicts with bytes keys correctly under python3
  • ARROW-6882 - [Python] cannot create a chunked_array from dictionary_encoding result
  • ARROW-6886 - [C++] arrow::io header nvcc compiler warnings
  • ARROW-6898 - [Java] Fix potential memory leak in ArrowWriter and several test classes
  • ARROW-6903 - [Python] Wheels broken after ARROW-6860 changes
  • ARROW-6905 - [Packaging][OSX] Nightly builds on MacOS are failing because of brew compile timeouts
  • ARROW-6910 - [Python] pyarrow.parquet.read_table(...) takes up lots of memory which is not released until program exits
  • ARROW-6922 - [Python] Pandas master build is failing (MultiIndex.levels change)
  • ARROW-6937 - [Packaging][Python] Fix conda linux and OSX wheel nightly builds
  • ARROW-6938 - [Python] Windows wheel depends on zstd.dll and libbz2.dll, which are not bundled
  • ARROW-6962 - [C++] [CI] Stop compiling with -Weverything
  • ARROW-6977 - [C++] Only enable jemalloc background_thread if feature is supported
  • ARROW-6983 - [C++] Threaded task group crashes sometimes