Changelog

4.4.0: 08/02/2024

  • blosc2 filter: Added support of blosc2 plugins (PR #295)

  • SZ3 filter: Updated tests and documentation (PR #290, #296)

  • Updated c-blosc2 (v2.13.2) (PR #287, #291, #293, #295)

  • Updated zfp (v1.0.1) (PR #287)

  • Added automated release workflow (PR #292, #294)

  • Updated documentation (PR #285, #288, #297)

4.3.0: 09/11/2023

  • Updated hdf5-blosc2 to support b2nd (PR #282)

  • Updated c-blosc2 (v2.11.1) and enabled its AVX512 support (PR #283)

  • Updated continuous integration to test with Python 3.12 (PR #281)

  • Added European HDF Users Group (HUG) Meeting 2023 presentation and companion material (PR #280)

  • Updated documentation (PR #279, #284)

4.2.0: 12/09/2023

  • Updated libraries: c-blosc (v1.12.5), c-blosc2 (v2.10.2) (PR #273)

  • Updated filter H5Z-ZFP (v1.1.1) (PR #273)

  • Updated build dependencies:

    • Added wheel>=0.34.0 requirement (PR #272)

    • Removed distutils usage (PR #276)

  • Updated documentation (PR #271, #278)

  • Fixed Continuous integration (PR #275)

  • Debian packaging (PR #277):

    • Added Debian 12

    • Removed Debian 10

4.1.3: 16/06/2023

This is a bug fix release:

  • Fixed SZ compression filter build option that was leading to errors higher than the required tolerance (PR #268, #269)

4.1.2: 01/06/2023

  • Updated libraries: c-blosc (v1.12.4), c-blosc2 (v2.9.2), snappy (v1.1.10) zstd (v1.5.5), zlib (v1.2.13) (PR #266)

  • Updated filter registration (PR #264)

4.1.1: 23/01/2023

This is a bug fix release:

  • Fixed c-blosc2 compilation on ARM architecture (PR #262)

  • Updated continuous integration tests (PR #261)

4.1.0: 17/01/2023

This version of hdf5plugin provides 2 new filters: Blosc2 and SZ3.

  • New compression filters:

    • Added SZ3 filter (PR #224, #241, #242, #243, #246)

    • Added Blosc2 filter (PR #201, #249, #253, #255)

  • Updated filters:

    • Updated bitshuffle (v0.5.1) (PR #251)

    • Updated c-blosc (v1.21.2) and LZ4 compression library (v1.9.4) (PR #250)

  • Build:

    • Added build configuration environment variables:

      • HDF5PLUGIN_CPP14 for SZ3 (PR #242)

      • HDF5PLUGIN_BMI2 for Zstd compression library (PR #247)

      • HDF5PLUGIN_INTEL_IPP_DIR for Blosc2 filter and LZ4 compression library (PR #252)

    • Added Intel IPP optional support for LZ4 compression (PR #252)

    • Refactored build (PR #233, #240, #248, #255, #257)

  • Misc.:

    • Updated documentation (PR #256, #259)

4.0.1: 2022/12/06

This is a bug-fix release:

  • Updated embedded version of SZ to fix a compression issue under Windows (PR #231)

  • Updated tests to pass with older versions of bitshuffle (PR #235)

  • Improved HDF5 function wrapper (PR #228)

  • Fixed and updated documentation (PR #223, #232, #238)

4.0.0: 2022/11/28

This version of hdf5plugin requires at least Python >= v3.7 (PR #210).

While the provided plugin filters are backwards compatible, this version includes an updated version of the H5Z-ZFP filter (v1.1.0). This version of the filter can read data compressed by previous versions but newly ZFP-compressed data cannot be read by older versions (PR #190).

  • New compression filters:

    • Added SZ filter (PR #203, #206, #209, #213, #215)

    • Added BZip2 filter (PR #182)

  • New functions:

    • Added get_config() function to retrieve build information and currently registered filters (PR #187)

    • Added get_filters() function to retrieve selected compression filter helper class (PR #212)

    • Added register() function to force registration of provided filters (PR #208, #212)

  • Deprecations:

    • Bitshuffle’s lz4 argument: Use cname argument instead (PR #171)

    • config: use get_config() function instead (PR #210)

    • date, hexversion and strictversion (PR #217)

  • Updated filters:

    • Updated snappy library to v1.1.9 (used by the blosc filter) (PR #192)

    • Updated Zfp filter to HZ5-ZFP v1.1.0 and ZFP v1.0.0 (PR #190)

    • Updated Bitshuffle filter to v0.4.2 (PR #171)

    • Updated c-blosc to commit 9dc93b1 and zstd to v1.5.2 (PR #200)

  • Build:

    • Updated HDF5PLUGIN_STRIP environment variable behaviour and added support for "all" value (PR #188)

    • Added optimisation flags for the blosc filter compilation (PR #180)

    • Added check of native flags availability (PR #189)

  • Misc.:

    • Updated project to use Python >3.7 (PR #210)

    • Code reorganisation, clean-up, code style (PR #191, #205, #217)

    • Updated documentation (PR #184, #196, #199, #211, #218)

    • Updated continuous integration tests (PR #198)

3.3.1: 2022/06/03

  • Fixed LZ4 filter compilation with HDF5PLUGIN_HDF5_DIR (PR #178)

  • Renamed PLUGINS_PATH constant to PLUGIN_PATH without S (PR #179)

  • Added notebook of European HUG meeting 2022 (PR #176)

  • Updated changelog and version (PR #181)

3.3.0: 2022/05/25

  • Deprecated build options passed as arguments to setup.py, use environment variables instead (PR #167)

  • Updated LZ4 filter to latest available code and LZ4 compression v1.9.3 (PR #172)

  • Added clevel argument to Zstd (PR #164)

  • Added config.embedded_filters to advertise embedded filters, and HDF5PLUGIN_STRIP to configure it during the build (PR #169)

  • Added -v option to python -m hdf5plugin.test (PR #166)

  • Changed “filter already loaded, skip it.” log message from warning to info (PR #168)

  • Updated build, now using pyproject.toml (PR #167, #173)

  • Updated changelog and version (PR #174)

3.2.0: 2021/10/15

  • Updated libraries: blosc v1.21.1 (lz4 v1.9.3, zlib v1.2.11, zstd v1.5.0), snappy v1.1.8 (PR #152, #156)

  • Fixed compilation issue occuring on ppc64le in conda-forge (PR #154)

  • Documentation: Added European HDF User Group presentation (PR #150) and updated changelog (PR #155)

3.1.1: 2021/07/07

This is a bug fix release:

  • Fixed hdf5plugin when installed as a Debian/Ubuntu package (PR #147)

  • Fixed and updated documentation (PR #143, #148)

3.1.0: 2021/07/02

This version of hdf5plugin requires Python3 adds mips64 supports and improves support for other architectures.

  • Added support of mips64 architecture (PR #126)

  • Added enhanced documentation based on sphinx hosted at http://www.silx.org/doc/hdf5plugin/latest/ and on readthedocs.org (PR #137, #139, #141)

  • Fixed LZ4 filter by downgrading used lz4 algorithm implementation (PR #123)

  • Fixed python setup.py install (PR #125, #130)

  • Improved build options support (PR #125, #130, #135, #140)

  • Improved tests (PR #128, #129, #132)

  • Cleaned-up python2 compatibility code (PR #134)

  • Updated project description/metadata: Added Python3.9, python_requires, updated status to “Stable” (PR #119, #127, #138)

  • Updated CHANGELOG and version (PR #142)

3.0.0

This version of hdf5plugin requires Python3 and supports arm64 architecture.

  • Stopped Python2.7 support (PR #104, #105)

  • Added support of arm64 architecture (PR #116)

  • Added Zstd filter to the supported plugin list (PR #106)

  • Added hdf5plugin.config to retrieve build options at runtime (PR #113)

  • Added support of build configuration through environment variables (PR #116)

  • Fixed FciDecomp error message when built without c++11 (PR #113)

  • Updated blosc compile flags (-std-c99) to build for manylinux1 (PR #109)

  • Updated c-blosc to v1.20.1 (PR #101)

  • Updated: continuous integration (PR #104, #111), project structure (PR #114, #118), changelog (PR #117)

2.3.2

This is the last version of hdf5plugin supporting Python 2.7.

  • Enabled SIMD on power9 for bitshuffle filter (PR #90)

  • Added github actions continous intergration (PR #99)

  • Added debian/ubuntu packaging support (PR #87)

  • Fixed compilation under macos10.15 with Python 3.8 (PR #102)

  • Fixed numpy 1.20 deprecation warning (PR #97)

  • Updated CHANGELOG and version (PR #91, #103)

2.3.1

  • Fixed support of wheel package version >= 0.35 (PR #82)

  • Fixed typo in error log (PR #81)

  • Continuous integration: Added check of package description (PR #80)

  • Fixed handling of version info (PR #84)

2.3

  • Added ZFP filter (PR #74, #77)

  • Updated README (PR #76, #79)

2.2

  • Added FCIDECOMP filter (PR #68, #71)

2.1.2

  • Fixed OpenMP compilation flag (PR #64)

  • Fixed support of wheel package version >= 0.34 (PR #64)

  • Continuous Integration: Run tests with python3 on macOS rather than python2. (PR #66)

2.1.1

  • Fixed –native build option on platform other than x86_64 (PR #62)

  • Fixed build of the snappy C++11 library for blosc on macOS (PR #60)

2.1.0

  • Added –openmp=[False|True] build option to compile bitshuffle filter with OpenMP. (PR #51)

  • Added –sse2=[True|False] build option to compile blosc and bitshuffle filters with SSE2 instructions if available. (PR #52)

  • Added –avx2=[True|False] build option to compile blosc and bitshuffle filters with AVX2 instructions if available. (PR #52)

  • Added –native=[True|False] build option to compile filters for native CPU architecture. This enables SSE2/AVX2 support for the bitshuffle filter if available. (PR #52)

  • Added snappy compression to the blosc filter if C++11 is available (–cpp11=[True|False] build option). (PR #54)

  • Improved wheel generation by using root_is_pure=True setting. (PR #49)

2.0.0

  • Added compression support for Linux and macOS

  • Added blosc filter

  • Added helper class (Blosc, Bitshuffle and LZ4) to ease providing compression arguments to h5py

  • Added tests

  • Updated documentation

  • Building from source through setup.py

  • No longer use the plugin mechanism via HDF5_PLUGIN_PATH environment variable

1.4.1

  • Support Python 3.7 under 64-bit windows

1.4.0

  • Manylinux support

1.3.1

  • Support Python 3.6 under 64-bit windows.

1.3.0

  • Add 64-bit manylinux version LZ4 filter plugin

  • Add 64-bit manylinux version bitshuffle plugin

  • Implement continuous imtegration testing

1.2.0

  • Add LZ4 filter plugin for MacOS

  • Add bitshuffle plugin decompressor for MacOS

1.1.0

  • Add bitshuffle plugin.

  • Document origin and license of the used sources.

1.0.1

  • Replace corrupted VS2015 64 bit dll.

1.0.0

  • Initial release with LZ4 filter plugin.