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). What's Changed 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) New Contributors @orioltinto made their first contribution in https://github.com/silx-kit/hdf5plugin/pull/209 Full Changelog: https://github.com/silx-kit/hdf5plugin/compare/v3.3.1...v4.0.0