Changelog for libzstd1-1.5.4-5.35.i586.rpm :

* Wed Mar 08 2023 Martin Pluskal - Build AVX2 enabled hwcaps library for x86_64-v3
* Fri Feb 10 2023 Bernhard Wiedemann - update to 1.5.4:
* perf: +20% faster huffman decompression for targets that can\'t compile x64 assembly
* perf: up to +10% faster streaming compression at levels 1-2
* perf: +4-13% for levels 5-12 by optimizing function generation
* pref: +3-11% compression speed for `arm` target
* perf: +5-30% faster dictionary compression at levels 1-4
* perf: +10-20% cold dict compression speed by prefetching CDict tables
* perf: +1% faster compression by removing a branch in ZSTD_fast_noDict
* perf: Small compression ratio improvements in high compression mode
* perf: small speed improvement by better detecting `STATIC_BMI2` for `clang`
* perf: Improved streaming performance when `ZSTD_c_stableInBuffer` is set
* cli: Asynchronous I/O for improved cli speed
* cli: Change `zstdless` behavior to align with `zless`
* cli: Keep original file if `-c` or `--stdout` is given
* cli: Keep original files when result is concatenated into a single output with `-o`
* cli: Preserve Permissions and Ownership of regular files
* cli: Print zlib/lz4/lzma library versions with `-vv`
* cli: Print checksum value for single frame files with `-lv`
* cli: Print `dictID` when present with `-lv`
* cli: when `stderr` is
*not
* the console, disable status updates, but preserve final summary
* cli: support `--best` and `--no-name` in `gzip` compatibility mode
* cli: support for `posix` high resolution timer `clock_gettime()`, for improved benchmark accuracy
* cli: improved help/usage (`-h`, `-H`) formatting
* cli: Fix better handling of bogus numeric values
* cli: Fix input consists of multiple files _and_ `stdin`
* cli: Fix tiny files passthrough
* cli: Fix for `-r` on empty directory
* cli: Fix empty string as argument for `--output-dir-
*`
* cli: Fix decompression memory usage reported by `-vv --long`
* cli: Fix infinite loop when empty input is passed to trainer
* cli: Fix `--adapt` doesn\'t work when `--no-progress` is also set
* api: Support for Block-Level Sequence Producer
* api: Support for in-place decompression
* api: New `ZSTD_CCtx_setCParams()` function, set all parameters defined in a `ZSTD_compressionParameters` structure
* api: Streaming decompression detects incorrect header ID sooner
* api: Window size resizing optimization for edge case
* api: More accurate error codes for busy-loop scenarios
* api: Fix limit overflow in `compressBound` and `decompressBound` (#3362, #3373, Cyan4973) reported by AATTnigeltao
* api: Deprecate several advanced experimental functions: streaming (#3408, AATTembg), copy
* bug: Fix corruption that rarely occurs in 32-bit mode with wlog=25
* bug: Fix for block-splitter
* bug: Fixes for Sequence Compression API
* bug: Fix leaking thread handles on Windows
* bug: Fix timing issues with cmake/meson builds
* build: Allow user to select legacy level for cmake
* build: Enable legacy support by default in cmake
* build: Meson build script improvements
* build: Add aarch64 to supported architectures for zstd_trace
* build: support AIX architecture
* build: Fix `ZSTD_LIB_MINIFY` build macro, which now reduces static library size by half
* build: Fix Windows issues with Multithreading translation layer (#3364, #3380, AATTyoniko) and ARM64 target
* build: Fix `cmake` script
* doc: Updated man page, providing more details for `--train` mode
* doc: Add decompressor errata document
* misc: Enable Intel CET
* misc: Fix `contrib/` seekable format
* misc: Improve speed of the one-file library generator- rebase pzstd.1.patch
* Tue Jan 03 2023 Dirk Müller - add zcat in zstd-gzip (needed by for example the kernel scripts)
* Sun Jan 30 2022 Dirk Müller - enable zlib/gzip compatible backend, as zlib is significantly (50%-100%) faster than gzip- add zstd-gzip compatibility subpackage which can be used as a drop in compatible replacement for gzip- small spec file cleanups
* Fri Jan 21 2022 Bernhard Wiedemann - update to 1.5.2:
* correct a performance regression
* smaller improvements and fixes
* See https://github.com/facebook/zstd/releases/tag/v1.5.2- Refresh pzstd.1.patch- Drop upstream noexecstack.patch
* Wed Jan 05 2022 Dirk Müller - add noexecstack.patch (bsc#1194337)
* Mon Jan 03 2022 Dirk Müller - fix pkgconfig pc file settings by passing in right prefix during build
* Mon Dec 27 2021 Dirk Müller - update to 1.5.1:
* perf: rebalanced compression levels, to better match the intended speed/level curve
* perf: faster huffman decoder, using x64 assembly
* perf: slightly faster high speed modes (strategies fast & dfast)
* perf: improved binary size and faster compilation times
* perf: new row64 mode, used notably in level 12
* perf: faster mid-level compression speed in presence of highly repetitive patterns
* perf: minor compression ratio improvements for small data at high levels
* perf: reduced stack usage (mostly useful for Linux Kernel)
* perf: faster compression speed on incompressible data
* perf: on-demand reduced ZSTD_DCtx state size, using build macro ZSTD_DECODER_INTERNAL_BUFFER, at a small cost of performance
* build: allows hiding static symbols in the dynamic library, using build macro
* build: support for m68k (Motorola 68000\'s)
* build: improved AIX support
* build: improved meson unofficial build
* cli : custom memory limit when training dictionary (#2925)
* cli : report advanced parameters information when compressing in very verbose mode (``-vv`)
* Fri May 14 2021 Ismail Dönmez - Update to version 1.5.0
* https://github.com/facebook/zstd/releases/tag/v1.5.0
* Improved Middle-Level Compression Speed
* Improved High-Level Compression Ratio
* Faster Decompression Speed
* Dynamic Library Supports Multithreading by Default- Drop zstd-1.4.9-Avoid-SIGBUS-on-armv6.patch, merged upstream
* Tue May 11 2021 Bernhard Wiedemann - Add zstd-1.4.9-Avoid-SIGBUS-on-armv6.patch to fix crashes when running armv6 userspace on armv8 64-bit kernels
* Thu Mar 04 2021 Bernhard Wiedemann - Update to version 1.4.9
* https://github.com/facebook/zstd/releases/tag/v1.4.9
* >2x Faster Long Distance Mode
* New Experimental Decompression Feature: ZSTD_d_refMultipleDDicts
* bug: Use umask() to Constrain Created File Permissions
* bug: Make Simple Single-Pass Functions Ignore Advanced Parameters
* cli: Fix --output-dir-mirror\'s Rejection of ..-Containing Paths
* cli: Allow Input From Console When -f/--force is Passed
* Fri Jan 22 2021 Bernhard Wiedemann - Add libzstd-devel-32bit (boo#1181272)
* Sat Dec 19 2020 Bernhard Wiedemann - Update to version 1.4.8 to fix i586+s390x
* Thu Dec 17 2020 Bernhard Wiedemann - Update to version 1.4.7
* Improved --long mode
* --long now automatically enabled for any window size >= 128MB
* Faster decompression of small blocks
* CLI improvements + accept parameter through environment variable ZSTD_NBTHREADS + new command --output-dir-mirror + more accurate warning and error messages
* New experimental features + Shared Thread Pool + Faster Dictionary Compression + New Sequence Ingestion API
* Drop upstream fix-lib-build.patch
* Wed Jul 08 2020 Martin Liška - Remove not needed exports in %install section.
* Wed Jul 08 2020 Martin Liška - Use %make_build macro.- Add upstream patch fix-lib-build.patch which fixes lib-mt target.
* Fri May 22 2020 Ismail Dönmez - Update to version 1.4.5
* perf: Improved decompression speed (x64 >+5%, ARM >+15%)
* perf: Automatically downsizes ZSTD_DCtx when too large for too
* perf: Improved fast compression speed on aarch64 (#2040, ~+3%)
* perf: Small level 1 compression speed gains (depending on compiler)
* fix: Compression ratio regression on huge files (> 3 GB) using high levels (--ultra) and multithreading
* api: ZDICT_finalizeDictionary() is promoted to stable
* api: new experimental parameter ZSTD_d_stableOutBuffer
* cli: New --patch-from command, create and apply patches from files
* cli: --filelist= : Provide a list of files to operate upon from a file
* cli: -b can now benchmark multiple files in decompression mode
* cli: New --no-content-size command
* cli: New --show-default-cparams command
* misc: new diagnosis tool, checked_flipped_bits, in contrib/
* misc: Extend largeNbDicts benchmark to compression
* misc: experimental edit-distance match finder in contrib/