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Diffstat (limited to 'NEWS')
| -rw-r--r-- | NEWS | 261 |
1 files changed, 261 insertions, 0 deletions
@@ -0,0 +1,261 @@ +v1.1.4 +cli : new : can compress in *.gz format, using --format=gzip command, by Przemyslaw Skibinski +cli : new : advanced benchmark command --priority=rt +cli : fix : write on sparse-enabled file systems in 32-bits mode, by @ds77 +cli : fix : --rm remains silent when input is stdin +cli : experimental : xzstd, with support for xz/lzma decoding, by Przemyslaw Skibinski +speed : improved decompression speed in streaming mode for single shot scenarios (+5%) +memory : DDict (decompression dictionary) memory usage down from 150 KB to 20 KB +arch : 32-bits variant able to generate and decode very long matches (>32 MB), by Sean Purcell +API : new : ZSTD_findFrameCompressedSize(), ZSTD_getFrameContentSize(), ZSTD_findDecompressedSize() +API : changed : dropped support of legacy versions <= v0.3 (can be changed by modifying ZSTD_LEGACY_SUPPORT value) +build: new: meson build system in contrib/meson, by Dima Krasner +build: improved cmake script, by @Majlen +build: added -Wformat-security flag, as recommended by Padraig Brady +doc : new : educational decoder, by Sean Purcell + +v1.1.3 +cli : zstd can decompress .gz files (can be disabled with `make zstd-nogz` or `make HAVE_ZLIB=0`) +cli : new : experimental target `make zstdmt`, with multi-threading support +cli : new : improved dictionary builder "cover" (experimental), by Nick Terrell, based on prior work by Giuseppe Ottaviano. +cli : new : advanced commands for detailed parameters, by Przemyslaw Skibinski +cli : fix zstdless on Mac OS-X, by Andrew Janke +cli : fix #232 "compress non-files" +dictBuilder : improved dictionary generation quality, thanks to Nick Terrell +API : new : lib/compress/ZSTDMT_compress.h multithreading API (experimental) +API : new : ZSTD_create?Dict_byReference(), requested by Bartosz Taudul +API : new : ZDICT_finalizeDictionary() +API : fix : ZSTD_initCStream_usingCDict() properly writes dictID into frame header, by Gregory Szorc (#511) +API : fix : all symbols properly exposed in libzstd, by Nick Terrell +build : support for Solaris target, by Przemyslaw Skibinski +doc : clarified specification, by Sean Purcell + +v1.1.2 +API : streaming : decompression : changed : automatic implicit reset when chain-decoding new frames without init +API : experimental : added : dictID retrieval functions, and ZSTD_initCStream_srcSize() +API : zbuff : changed : prototypes now generate deprecation warnings +lib : improved : faster decompression speed at ultra compression settings and 32-bits mode +lib : changed : only public ZSTD_ symbols are now exposed +lib : changed : reduced usage of stack memory +lib : fixed : several corner case bugs, by Nick Terrell +cli : new : gzstd, experimental version able to decode .gz files, by Przemyslaw Skibinski +cli : new : preserve file attributes +cli : new : added zstdless and zstdgrep tools +cli : fixed : status displays total amount decoded, even for file consisting of multiple frames (like pzstd) +cli : fixed : zstdcat +zlib_wrapper : added support for gz* functions, by Przemyslaw Skibinski +install : better compatibility with FreeBSD, by Dimitry Andric +source tree : changed : zbuff source files moved to lib/deprecated + +v1.1.1 +New : command -M#, --memory=, --memlimit=, --memlimit-decompress= to limit allowed memory consumption +New : doc/zstd_manual.html, by Przemyslaw Skibinski +Improved : slightly better compression ratio at --ultra levels (>= 20) +Improved : better memory usage when using streaming compression API, thanks to @Rogier-5 report +Added : API : ZSTD_initCStream_usingCDict(), ZSTD_initDStream_usingDDict() (experimental section) +Added : example/multiple_streaming_compression.c +Changed : zstd_errors.h is now installed within /include (and replaces errors_public.h) +Updated man page +Fixed : zstd-small, zstd-compress and zstd-decompress compilation targets + +v1.1.0 +New : contrib/pzstd, parallel version of zstd, by Nick Terrell +added : NetBSD install target (#338) +Improved : speed for batches of small files +Improved : speed of zlib wrapper, by Przemyslaw Skibinski +Changed : libzstd on Windows supports legacy formats, by Christophe Chevalier +Fixed : CLI -d output to stdout by default when input is stdin (#322) +Fixed : CLI correctly detects console on Mac OS-X +Fixed : CLI supports recursive mode `-r` on Mac OS-X +Fixed : Legacy decoders use unified error codes, reported by benrg (#341), fixed by Przemyslaw Skibinski +Fixed : compatibility with OpenBSD, reported by Juan Francisco Cantero Hurtado (#319) +Fixed : compatibility with Hurd, by Przemyslaw Skibinski (#365) +Fixed : zstd-pgo, reported by octoploid (#329) + +v1.0.0 +Change Licensing, all project is now BSD, Copyright Facebook +Small decompression speed improvement +API : Streaming API supports legacy format +API : ZDICT_getDictID(), ZSTD_sizeof_{CCtx, DCtx, CStream, DStream}(), ZSTD_setDStreamParamter() +CLI supports legacy formats v0.4+ +Fixed : compression fails on certain huge files, reported by Jesse McGrew +Enhanced documentation, by Przemyslaw Skibinski + +v0.8.1 +New streaming API +Changed : --ultra now enables levels beyond 19 +Changed : -i# now selects benchmark time in second +Fixed : ZSTD_compress* can now compress > 4 GB in a single pass, reported by Nick Terrell +Fixed : speed regression on specific patterns (#272) +Fixed : support for Z_SYNC_FLUSH, by Dmitry Krot (#291) +Fixed : ICC compilation, by Przemyslaw Skibinski + +v0.8.0 +Improved : better speed on clang and gcc -O2, thanks to Eric Biggers +New : Build on FreeBSD and DragonFly, thanks to JrMarino +Changed : modified API : ZSTD_compressEnd() +Fixed : legacy mode with ZSTD_HEAPMODE=0, by Christopher Bergqvist +Fixed : premature end of frame when zero-sized raw block, reported by Eric Biggers +Fixed : large dictionaries (> 384 KB), reported by Ilona Papava +Fixed : checksum correctly checked in single-pass mode +Fixed : combined --test amd --rm, reported by Andreas M. Nilsson +Modified : minor compression level adaptations +Updated : compression format specification to v0.2.0 +changed : zstd.h moved to /lib directory + +v0.7.5 +Transition version, supporting decoding of v0.8.x + +v0.7.4 +Added : homebrew for Mac, by Daniel Cade +Added : more examples +Fixed : segfault when using small dictionaries, reported by Felix Handte +Modified : default compression level for CLI is now 3 +Updated : specification, to v0.1.1 + +v0.7.3 +New : compression format specification +New : `--` separator, stating that all following arguments are file names. Suggested by Chip Turner. +New : `ZSTD_getDecompressedSize()` +New : OpenBSD target, by Juan Francisco Cantero Hurtado +New : `examples` directory +fixed : dictBuilder using HC levels, reported by Bartosz Taudul +fixed : legacy support from ZSTD_decompress_usingDDict(), reported by Felix Handte +fixed : multi-blocks decoding with intermediate uncompressed blocks, reported by Greg Slazinski +modified : removed "mem.h" and "error_public.h" dependencies from "zstd.h" (experimental section) +modified : legacy functions no longer need magic number + +v0.7.2 +fixed : ZSTD_decompressBlock() using multiple consecutive blocks. Reported by Greg Slazinski. +fixed : potential segfault on very large files (many gigabytes). Reported by Chip Turner. +fixed : CLI displays system error message when destination file cannot be created (#231). Reported by Chip Turner. + +v0.7.1 +fixed : ZBUFF_compressEnd() called multiple times with too small `dst` buffer, reported by Christophe Chevalier +fixed : dictBuilder fails if first sample is too small, reported by Руслан Ковалёв +fixed : corruption issue, reported by cj +modified : checksum enabled by default in command line mode + +v0.7.0 +New : Support for directory compression, using `-r`, thanks to Przemyslaw Skibinski +New : Command `--rm`, to remove source file after successful de/compression +New : Visual build scripts, by Christophe Chevalier +New : Support for Sparse File-systems (do not use space for zero-filled sectors) +New : Frame checksum support +New : Support pass-through mode (when using `-df`) +API : more efficient Dictionary API : `ZSTD_compress_usingCDict()`, `ZSTD_decompress_usingDDict()` +API : create dictionary files from custom content, by Giuseppe Ottaviano +API : support for custom malloc/free functions +New : controllable Dictionary ID +New : Support for skippable frames + +v0.6.1 +New : zlib wrapper API, thanks to Przemyslaw Skibinski +New : Ability to compile compressor / decompressor separately +Changed : new lib directory structure +Fixed : Legacy codec v0.5 compatible with dictionary decompression +Fixed : Decoder corruption error (#173) +Fixed : null-string roundtrip (#176) +New : benchmark mode can select directory as input +Experimental : midipix support, VMS support + +v0.6.0 +Stronger high compression modes, thanks to Przemyslaw Skibinski +API : ZSTD_getFrameParams() provides size of decompressed content +New : highest compression modes require `--ultra` command to fully unleash their capacity +Fixed : zstd cli return error code > 0 and removes dst file artifact when decompression fails, thanks to Chip Turner + +v0.5.1 +New : Optimal parsing => Very high compression modes, thanks to Przemyslaw Skibinski +Changed : Dictionary builder integrated into libzstd and zstd cli +Changed (!) : zstd cli now uses "multiple input files" as default mode. See `zstd -h`. +Fix : high compression modes for big-endian platforms +New : zstd cli : `-t` | `--test` command + +v0.5.0 +New : dictionary builder utility +Changed : streaming & dictionary API +Improved : better compression of small data + +v0.4.7 +Improved : small compression speed improvement in HC mode +Changed : `zstd_decompress.c` has ZSTD_LEGACY_SUPPORT to 0 by default +fix : bt search bug + +v0.4.6 +fix : fast compression mode on Windows +New : cmake configuration file, thanks to Artyom Dymchenko +Improved : high compression mode on repetitive data +New : block-level API +New : ZSTD_duplicateCCtx() + +v0.4.5 +new : -m/--multiple : compress/decompress multiple files + +v0.4.4 +Fixed : high compression modes for Windows 32 bits +new : external dictionary API extended to buffered mode and accessible through command line +new : windows DLL project, thanks to Christophe Chevalier + +v0.4.3 : +new : external dictionary API +new : zstd-frugal + +v0.4.2 : +Generic minor improvements for small blocks +Fixed : big-endian compatibility, by Peter Harris (#85) + +v0.4.1 +Fixed : ZSTD_LEGACY_SUPPORT=0 build mode (reported by Luben) +removed `zstd.c` + +v0.4.0 +Command line utility compatible with high compression levels +Removed zstdhc => merged into zstd +Added : ZBUFF API (see zstd_buffered.h) +Rolling buffer support + +v0.3.6 +small blocks params + +v0.3.5 +minor generic compression improvements + +v0.3.4 +Faster fast cLevels + +v0.3.3 +Small compression ratio improvement + +v0.3.2 +Fixed Visual Studio + +v0.3.1 : +Small compression ratio improvement + +v0.3 +HC mode : compression levels 2-26 + +v0.2.2 +Fix : Visual Studio 2013 & 2015 release compilation, by Christophe Chevalier + +v0.2.1 +Fix : Read errors, advanced fuzzer tests, by Hanno Böck + +v0.2.0 +**Breaking format change** +Faster decompression speed +Can still decode v0.1 format + +v0.1.3 +fix uninitialization warning, reported by Evan Nemerson + +v0.1.2 +frame concatenation support + +v0.1.1 +fix compression bug +detects write-flush errors + +v0.1.0 +first release |