Changelog for libzstd1-1.5.2-1.4.i586.rpm :

* 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/
* Tue Nov 05 2019 Ismail Dönmez - Update to version 1.4.4
* perf: Improved decompression speed, by > 10%
* perf: Better compression speed when re-using a context
* perf: Fix compression ratio when compressing large files with small dictionary
* perf: zstd reference encoder can generate RLE blocks
* perf: minor generic speed optimization
* api: new ability to extract sequences from the parser for analysis
* api: fixed decoding of magic-less frames
* api: fixed ZSTD_initCStream_advanced() performance with fast modes
* cli: Named pipes support
* cli: short tar\'s extension support
* cli: command --output-dir-flat=DIE , generates target files into requested directory
* cli: commands --stream-size=# and --size-hint=#
* cli: command --exclude-compressed
* cli: faster -t test mode
* cli: improved some error messages
* cli: fix rare deadlock condition within dictionary builder
* misc: Improved documentation : ZSTD_CLEVEL, DYNAMIC_BMI2, ZSTD_CDict, function deprecation, zstd format
* misc: fixed educational decoder : accept larger literals section, and removed UNALIGNED() macro- Refresh pzstd.1.patch
* Tue Aug 20 2019 Ismail Dönmez - Update to version 1.4.3
* bug: Fix Dictionary Compression Ratio Regression (#1709)
* bug: Fix Buffer Overflow in v0.3 Decompression (#1722)
* build: Add support for IAR C/C++ Compiler for Arm (#1705)
* misc: Add NULL pointer check in util.c (#1706)
* Tue Jul 30 2019 Bernhard Wiedemann - Add disk _constraints to fix ppc64le build
* Fri Jul 26 2019 Bernhard Wiedemann - Update to version 1.4.2:
* bug: Fix bug in zstd-0.5 decoder by AATTterrelln (#1696)
* bug: Fix seekable decompression in-memory API by AATTiburinoc (#1695)
* bug: Close minor memory leak in CLI by AATTLeeYoung624 (#1701)
* misc: Validate blocks are smaller than size limit by AATTvivekmig (#1685)
* misc: Restructure source files by AATTephiepark (#1679)
* Mon Jul 22 2019 Martin Pluskal - Update to version 1.4.1:
* bug: Fix data corruption in niche use cases by AATTterrelln (#1659)
* bug: Fuzz legacy modes, fix uncovered bugs by AATTterrelln (#1593, #1594, #1595)
* bug: Fix out of bounds read by AATTterrelln (#1590)
* perf: Improve decode speed by ~7% AATTmgrice (#1668)
* perf: Slightly improved compression ratio of level 3 and 4 (ZSTD_dfast) by AATTcyan4973 (#1681)
* perf: Slightly faster compression speed when re-using a context by AATTcyan4973 (#1658)
* perf: Improve compression ratio for small windowLog by AATTcyan4973 (#1624)
* perf: Faster compression speed in high compression mode for repetitive data by AATTterrelln (#1635)
* api: Add parameter to generate smaller dictionaries by AATTtyler-tran (#1656)
* cli: Recognize symlinks when built in C99 mode by AATTfelixhandte (#1640)
* cli: Expose cpu load indicator for each file on -vv mode by AATTephiepark (#1631)
* cli: Restrict read permissions on destination files by AATTchungy (#1644)
* cli: zstdgrep: handle -f flag by AATTfelixhandte (#1618)
* cli: zstdcat: follow symlinks by AATTvejnar (#1604)
* doc: Remove extra size limit on compressed blocks by AATTfelixhandte (#1689)
* doc: Fix typo by AATTyk-tanigawa (#1633)
* doc: Improve documentation on streaming buffer sizes by AATTcyan4973 (#1629)
* build: CMake: support building with LZ4 AATTleeyoung624 (#1626)
* build: CMake: install zstdless and zstdgrep by AATTleeyoung624 (#1647)
* build: CMake: respect existing uninstall target by AATTj301scott (#1619)
* build: Make: skip multithread tests when built without support by AATTmichaelforney (#1620)
* build: Make: Fix examples/ test target by AATTsjnam (#1603)
* build: Meson: rename options out of deprecated namespace by AATTlzutao (#1665)
* build: Meson: fix build by AATTlzutao (#1602)
* build: Visual Studio: don\'t export symbols in static lib by AATTscharan (#1650)
* build: Visual Studio: fix linking by AATTabsotively (#1639)
* build: Fix MinGW-W64 build by AATTmyzhang1029 (#1600)
* misc: Expand decodecorpus coverage by AATTephiepark (#1664)
* Thu Jul 11 2019 Dominique Leuenberger - Add baselibs.conf: libarchive gained zstd support and provides - 32bit libraries. This means, zstd also needs to provide -32bit libs.
* Fri Jun 14 2019 Ismail Dönmez - Remove googletest-devel BuildRequires and pzstd-global-gtest.patch because we want zstd in ring0 (due to rpm\'s zstd payload support) Since googletest is only used in build time (it\'s for testing after all), this should be fine.
* Sun Jun 02 2019 Jan Engelhardt - Update description with 1.4.0 statistics.
* Fri Apr 26 2019 Martin Liška - Use FAT LTO objects in order to provide proper static library (boo#1133297).
* Wed Apr 17 2019 Jan Engelhardt - Update to new upstream release 1.4.0
* perf: level 1 compression speed was improved by ~6–8%
* cli: added --[no-]compress-literals flag to enable or disable literal compression- Reword \"real-time\" in description by some actual statistics, because 603MB/s (lowest zstd level) is not \"real-time\" for quite some applications.
* Sat Jan 05 2019 astiegerAATTsuse.com- zstd 1.3.8:
* better decompression speed on large files (+7%) and cold dictionaries (+15%)
* slightly better compression ratio at high compression modes
* new --rsyncable mode
* support decompression of empty frames into NULL (used to be an error)
* support ZSTD_CLEVEL environment variable
* --no-progress flag, preserving final summary
* various CLI fixes
* fix race condition in one-pass compression functions that could allow out of bounds write (CVE-2019-11922, boo#1142941)
* Wed Oct 24 2018 astiegerAATTsuse.com- zstd 1.3.7:
* fix ratio for dictionary compression at levels 9 and 10
* add man pages for zstdless and zstdgrep- includes changes from zstd 1.3.6:
* faster dictionary builder, also the new default for --train
* previous (slower, slightly higher quality) dictionary builder to be selected via --train-cover
* Faster dictionary decompression and compression under memory limits with many dictionaries used simultaneously
* New command --adapt for compressed network piping of data adjusted to the perceived network conditions- drop zstd-1.3.5-fix-list-stdin.patch, upstream- switch from git tag snaphshot to bootstrapped tarball
* Tue Jul 03 2018 astiegerAATTsuse.com- update to 1.3.5:
* much faster dictionary compression
* small quality improvement for dictionary generation
* slightly improved performance at high compression levels
* automatic memory release for long duration contexts
* fix overlapLog can be manually set
* fix decoding invalid lz4 frames
* fix performance degradation for dictionary compression when using advanced API- add zstd-1.3.5-fix-list-stdin.patch to avoid test issues with - -list when stdin is not a tty, patch from upstream- disable failing pzstd tests
* Thu Jun 14 2018 sweet_f_aAATTgmx.de- fix pzstd tests- add pzstd-global-gtest.patch
* Thu Jun 14 2018 sweet_f_aAATTgmx.de- enable pzstd (parallel zstd)- add pzstd.1.patch, taken from Fedora package (git 21908004)
* Thu May 24 2018 kukukAATTsuse.de- Use %license instead of %doc [bsc#1082318]
* Wed Mar 28 2018 idonmezAATTsuse.com- Update to 1.3.4
* perf: faster speed (especially decoding speed) on recent cpus (haswell+)
* perf: much better performance associating --long with multi-threading
* perf: better compression at levels 13-15
* cli : asynchronous compression by default, for faster experience (use --single-thread for former behavior)
* cli : smoother status report in multi-threading mode
* cli : added command --fast=#, for faster compression modes
* cli : fix crash when not overwriting existing files
* api : `nbThreads` becomes `nbWorkers` : 1 triggers asynchronous mode
* api : compression levels can be negative, for even more speed
* api : ZSTD_getFrameProgression() : get precise progress status of ZSTDMT anytime
* api : ZSTDMT can accept new compression parameters during compression
* api : implemented all advanced dictionary decompression prototypes
* Mon Feb 05 2018 dsterbaAATTsuse.cz- build the static library (depency for btrfsprogs-static)