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- update to 1.21.5:
  * Fix SSE2/AVX2 build issue.  Fixes #352.

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- Update to 1.21.4 
  * Upgrade internal-complib zstd from 1.5.2 to 1.5.5.
  * Zlib updated to 1.2.13.
- remove fix of moving pkgconfig file to correct location, it have been fixed upstrem

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- Update to 1.21.1
  * Fix pthread on ppc64le.
  * Updates in internal codecs, important performance improvements

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- Update to 1.21.0:
  * Updated internal codecs

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- Update to version 1.20.1 boo#1179914 CVE-2020-29367:
  * More saftey checks have been implemented so that potential flaws discovered by new fuzzers in OSS-Fuzzer are fixed now
  * BloscLZ updated to 2.3.0. Expect better compression ratios for faster codecs. For details, see our new blog post: https://blosc.org/posts/beast-release/
  * Fixed the _xgetbv() collision. Thanks to Michał Górny (@mgorny).

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Fix build with %{_libxecdir} == /usr/libexec

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- Enable support for SNAPPY compression needed by python-imagecodecs.

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- Update to version 1.19.0:
  * The length of automatic blocksizes for fast codecs (lz4, blosclz) has been incremented quite a bit (up to 256 KB) for better compression ratios.
  * The performance in modern CPUs (with at least 256 KB in L2 cache) should be better too (for older CPUs the performance should stay roughly the same).
  * For small buffers that cannot be compressed (typically < 128 bytes), blosc_compress() returns now a 0 (cannot compress) instead of a negative number (internal error). See #294.
  * blosclz codec updated to 2.1.0. Expect better compression ratios and performance in a wider variety of scenarios.
  * blosc_decompress_unsafe(), blosc_decompress_ctx_unsafe() and blosc_getitem_unsafe() have been removed because they are dangerous and after latest improvements, they should not be used in production.

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- Update to version 1.18.1:
  * Fixed the copy of the leftovers of a chunk when its size is not
    a multiple of the typesize.

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- Update to version 1.17.1:
  * BloscLZ codec updated to 2.0.0.

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