xref: /aosp_15_r20/external/zstd/CHANGELOG (revision 01826a4963a0d8a59bc3812d29bdf0fb76416722)
1*01826a49SYabin CuiV1.5.6 (Mar 2024)
2*01826a49SYabin Cuiapi: Promote `ZSTD_c_targetCBlockSize` to Stable API by @felixhandte
3*01826a49SYabin Cuiapi: new `ZSTD_d_maxBlockSize` experimental parameter, to reduce streaming decompression memory, by @terrelln
4*01826a49SYabin Cuiperf: improve performance of param `ZSTD_c_targetCBlockSize`, by @Cyan4973
5*01826a49SYabin Cuiperf: improved compression of arrays of integers at high compression, by @Cyan4973
6*01826a49SYabin Cuilib: reduce binary size with selective built-time exclusion, by @felixhandte
7*01826a49SYabin Cuilib: improved huffman speed on small data and linux kernel, by @terrelln
8*01826a49SYabin Cuilib: accept dictionaries with partial literal tables, by @terrelln
9*01826a49SYabin Cuilib: fix CCtx size estimation with external sequence producer, by @embg
10*01826a49SYabin Cuilib: fix corner case decoder behaviors, by @Cyan4973 and @aimuz
11*01826a49SYabin Cuilib: fix zdict prototype mismatch in static_only mode, by @ldv-alt
12*01826a49SYabin Cuilib: fix several bugs in magicless-format decoding, by @embg
13*01826a49SYabin Cuicli: add common compressed file types to `--exclude-compressed`` by @daniellerozenblit
14*01826a49SYabin Cuicli: fix mixing `-c` and `-o` commands with `--rm`, by @Cyan4973
15*01826a49SYabin Cuicli: fix erroneous exclusion of hidden files with `--output-dir-mirror` by @felixhandte
16*01826a49SYabin Cuicli: improved time accuracy on BSD, by @felixhandte
17*01826a49SYabin Cuicli: better errors on argument parsing, by @KapJI
18*01826a49SYabin Cuitests: better compatibility with older versions of `grep`, by @Cyan4973
19*01826a49SYabin Cuitests: lorem ipsum generator as default backup content, by @Cyan4973
20*01826a49SYabin Cuibuild: cmake improvements by @terrelln, @sighingnow, @gjasny, @JohanMabille, @Saverio976, @gruenich, @teo-tsirpanis
21*01826a49SYabin Cuibuild: bazel support, by @jondo2010
22*01826a49SYabin Cuibuild: fix cross-compiling for AArch64 with lld by @jcelerier
23*01826a49SYabin Cuibuild: fix Apple platform compatibility, by @nidhijaju
24*01826a49SYabin Cuibuild: fix Visual 2012 and lower compatibility, by @Cyan4973
25*01826a49SYabin Cuibuild: improve win32 support, by @DimitriPapadopoulos
26*01826a49SYabin Cuibuild: better C90 compliance for zlibWrapper, by @emaste
27*01826a49SYabin Cuiport: make: fat binaries on macos, by @mredig
28*01826a49SYabin Cuiport: ARM64EC compatibility for Windows, by @dunhor
29*01826a49SYabin Cuiport: QNX support by @klausholstjacobsen
30*01826a49SYabin Cuiport: MSYS2 and Cygwin makefile installation and test support, by @QBos07
31*01826a49SYabin Cuiport: risc-v support validation in CI, by @Cyan4973
32*01826a49SYabin Cuiport: sparc64 support validation in CI, by @Cyan4973
33*01826a49SYabin Cuiport: AIX compatibility, by @likema
34*01826a49SYabin Cuiport: HP-UX compatibility, by @likema
35*01826a49SYabin Cuidoc: Improved specification accuracy, by @elasota
36*01826a49SYabin Cuibug: Fix and deprecate ZSTD_generateSequences (#3981)
37*01826a49SYabin Cui
38*01826a49SYabin Cuiv1.5.5 (Apr 2023)
39*01826a49SYabin Cuifix: fix rare corruption bug affecting the high compression mode, reported by @danlark1 (#3517, @terrelln)
40*01826a49SYabin Cuiperf: improve mid-level compression speed (#3529, #3533, #3543, @yoniko and #3552, @terrelln)
41*01826a49SYabin Cuilib: deprecated bufferless block-level API (#3534) by @terrelln
42*01826a49SYabin Cuicli: mmap large dictionaries to save memory, by @daniellerozenblit
43*01826a49SYabin Cuicli: improve speed of --patch-from mode (~+50%) (#3545) by @daniellerozenblit
44*01826a49SYabin Cuicli: improve i/o speed (~+10%) when processing lots of small files (#3479) by @felixhandte
45*01826a49SYabin Cuicli: zstd no longer crashes when requested to write into write-protected directory (#3541) by @felixhandte
46*01826a49SYabin Cuicli: fix decompression into block device using -o, reported by @georgmu (#3583)
47*01826a49SYabin Cuibuild: fix zstd CLI compiled with lzma support but not zlib support (#3494) by @Hello71
48*01826a49SYabin Cuibuild: fix cmake does no longer require 3.18 as minimum version (#3510) by @kou
49*01826a49SYabin Cuibuild: fix MSVC+ClangCL linking issue (#3569) by @tru
50*01826a49SYabin Cuibuild: fix zstd-dll, version of zstd CLI that links to the dynamic library (#3496) by @yoniko
51*01826a49SYabin Cuibuild: fix MSVC warnings (#3495) by @embg
52*01826a49SYabin Cuidoc: updated zstd specification to clarify corner cases, by @Cyan4973
53*01826a49SYabin Cuidoc: document how to create fat binaries for macos (#3568) by @rickmark
54*01826a49SYabin Cuimisc: improve seekable format ingestion speed (~+100%) for very small chunk sizes (#3544) by @Cyan4973
55*01826a49SYabin Cuimisc: tests/fullbench can benchmark multiple files (#3516) by @dloidolt
56*01826a49SYabin Cui
57*01826a49SYabin Cuiv1.5.4 (Feb 2023)
58*01826a49SYabin Cuiperf: +20% faster huffman decompression for targets that can't compile x64 assembly (#3449, @terrelln)
59*01826a49SYabin Cuiperf: up to +10% faster streaming compression at levels 1-2 (#3114, @embg)
60*01826a49SYabin Cuiperf: +4-13% for levels 5-12 by optimizing function generation (#3295, @terrelln)
61*01826a49SYabin Cuipref: +3-11% compression speed for `arm` target (#3199, #3164, #3145, #3141, #3138, @JunHe77 and #3139, #3160, @danlark1)
62*01826a49SYabin Cuiperf: +5-30% faster dictionary compression at levels 1-4 (#3086, #3114, #3152, @embg)
63*01826a49SYabin Cuiperf: +10-20% cold dict compression speed by prefetching CDict tables (#3177, @embg)
64*01826a49SYabin Cuiperf: +1% faster compression by removing a branch in ZSTD_fast_noDict (#3129, @felixhandte)
65*01826a49SYabin Cuiperf: Small compression ratio improvements in high compression mode (#2983, #3391, @Cyan4973 and #3285, #3302, @daniellerozenblit)
66*01826a49SYabin Cuiperf: small speed improvement by better detecting `STATIC_BMI2` for `clang` (#3080, @TocarIP)
67*01826a49SYabin Cuiperf: Improved streaming performance when `ZSTD_c_stableInBuffer` is set (#2974, @Cyan4973)
68*01826a49SYabin Cuicli: Asynchronous I/O for improved cli speed (#2975, #2985, #3021, #3022, @yoniko)
69*01826a49SYabin Cuicli: Change `zstdless` behavior to align with `zless` (#2909, @binhdvo)
70*01826a49SYabin Cuicli: Keep original file if `-c` or `--stdout` is given (#3052, @dirkmueller)
71*01826a49SYabin Cuicli: Keep original files when result is concatenated into a single output with `-o` (#3450, @Cyan4973)
72*01826a49SYabin Cuicli: Preserve Permissions and Ownership of regular files (#3432, @felixhandte)
73*01826a49SYabin Cuicli: Print zlib/lz4/lzma library versions with `-vv` (#3030, @terrelln)
74*01826a49SYabin Cuicli: Print checksum value for single frame files with `-lv`  (#3332, @Cyan4973)
75*01826a49SYabin Cuicli: Print `dictID` when present with `-lv` (#3184, @htnhan)
76*01826a49SYabin Cuicli: when `stderr` is *not* the console, disable status updates, but preserve final summary (#3458, @Cyan4973)
77*01826a49SYabin Cuicli: support `--best` and `--no-name` in `gzip` compatibility mode (#3059, @dirkmueller)
78*01826a49SYabin Cuicli: support for `posix` high resolution timer `clock_gettime()`, for improved benchmark accuracy (#3423, @Cyan4973)
79*01826a49SYabin Cuicli: improved help/usage (`-h`,  `-H`) formatting (#3094, @dirkmueller and #3385, @jonpalmisc)
80*01826a49SYabin Cuicli: Fix better handling of bogus numeric values (#3268, @ctkhanhly)
81*01826a49SYabin Cuicli: Fix input consists of multiple files _and_ `stdin` (#3222, @yoniko)
82*01826a49SYabin Cuicli: Fix tiny files passthrough (#3215, @cgbur)
83*01826a49SYabin Cuicli: Fix for `-r` on empty directory (#3027, @brailovich)
84*01826a49SYabin Cuicli: Fix empty string as argument for `--output-dir-*` (#3220, @embg)
85*01826a49SYabin Cuicli: Fix decompression memory usage reported by `-vv --long` (#3042, @u1f35c, and #3232, @zengyijing)
86*01826a49SYabin Cuicli: Fix infinite loop when empty input is passed to trainer (#3081, @terrelln)
87*01826a49SYabin Cuicli: Fix `--adapt` doesn't work when `--no-progress` is also set (#3354, @terrelln)
88*01826a49SYabin Cuiapi: Support for Block-Level Sequence Producer (#3333, @embg)
89*01826a49SYabin Cuiapi: Support for in-place decompression (#3432, @terrelln)
90*01826a49SYabin Cuiapi: New  `ZSTD_CCtx_setCParams()`  function, set all parameters defined in a  `ZSTD_compressionParameters`  structure (#3403, @Cyan4973)
91*01826a49SYabin Cuiapi: Streaming decompression detects incorrect header ID sooner (#3175, @Cyan4973)
92*01826a49SYabin Cuiapi: Window size resizing optimization for edge case (#3345, @daniellerozenblit)
93*01826a49SYabin Cuiapi: More accurate error codes for busy-loop scenarios (#3413, #3455, @Cyan4973)
94*01826a49SYabin Cuiapi: Fix limit overflow in `compressBound` and `decompressBound` (#3362, #3373, Cyan4973) reported by @nigeltao
95*01826a49SYabin Cuiapi: Deprecate several advanced experimental functions: streaming (#3408, @embg), copy (#3196, @mileshu)
96*01826a49SYabin Cuibug: Fix corruption that rarely occurs in 32-bit mode with wlog=25 (#3361, @terrelln)
97*01826a49SYabin Cuibug: Fix for block-splitter (#3033, @Cyan4973)
98*01826a49SYabin Cuibug: Fixes for Sequence Compression API (#3023, #3040, @Cyan4973)
99*01826a49SYabin Cuibug: Fix leaking thread handles on Windows (#3147, @animalize)
100*01826a49SYabin Cuibug: Fix timing issues with cmake/meson builds (#3166, #3167, #3170, @Cyan4973)
101*01826a49SYabin Cuibuild: Allow user to select legacy level for cmake (#3050, @shadchin)
102*01826a49SYabin Cuibuild: Enable legacy support by default in cmake (#3079, @niamster)
103*01826a49SYabin Cuibuild: Meson build script improvements (#3039, #3120, #3122, #3327, #3357, @eli-schwartz and #3276, @neheb)
104*01826a49SYabin Cuibuild: Add aarch64 to supported architectures for zstd_trace (#3054, @ooosssososos)
105*01826a49SYabin Cuibuild: support AIX architecture (#3219, @qiongsiwu)
106*01826a49SYabin Cuibuild: Fix `ZSTD_LIB_MINIFY` build macro, which now reduces static library size by half (#3366, @terrelln)
107*01826a49SYabin Cuibuild: Fix Windows issues with Multithreading translation layer (#3364, #3380, @yoniko) and ARM64 target (#3320, @cwoffenden)
108*01826a49SYabin Cuibuild: Fix `cmake` script (#3382, #3392, @terrelln and #3252 @Tachi107 and #3167 @Cyan4973)
109*01826a49SYabin Cuidoc: Updated man page, providing more details for `--train` mode (#3112, @Cyan4973)
110*01826a49SYabin Cuidoc: Add decompressor errata document (#3092, @terrelln)
111*01826a49SYabin Cuimisc: Enable Intel CET (#2992, #2994, @hjl-tools)
112*01826a49SYabin Cuimisc: Fix `contrib/` seekable format (#3058, @yhoogstrate and #3346, @daniellerozenblit)
113*01826a49SYabin Cuimisc: Improve speed of the one-file library generator (#3241, @wahern and #3005, @cwoffenden)
114*01826a49SYabin Cui
115*01826a49SYabin Cuiv1.5.3 (dev version, unpublished)
116*01826a49SYabin Cui
117*01826a49SYabin Cuiv1.5.2 (Jan, 2022)
118*01826a49SYabin Cuiperf: Regain Minimal memset()-ing During Reuse of Compression Contexts (@Cyan4973, #2969)
119*01826a49SYabin Cuibuild: Build Zstd with `noexecstack` on All Architectures (@felixhandte, #2964)
120*01826a49SYabin Cuidoc: Clarify Licensing (@terrelln, #2981)
121*01826a49SYabin Cui
122*01826a49SYabin Cuiv1.5.1 (Dec, 2021)
123*01826a49SYabin Cuiperf: rebalanced compression levels, to better match the intended speed/level curve, by @senhuang42
124*01826a49SYabin Cuiperf: faster huffman decoder, using x64 assembly, by @terrelln
125*01826a49SYabin Cuiperf: slightly faster high speed modes (strategies fast & dfast), by @felixhandte
126*01826a49SYabin Cuiperf: improved binary size and faster compilation times, by @terrelln
127*01826a49SYabin Cuiperf: new row64 mode, used notably in level 12, by @senhuang42
128*01826a49SYabin Cuiperf: faster mid-level compression speed in presence of highly repetitive patterns, by @senhuang42
129*01826a49SYabin Cuiperf: minor compression ratio improvements for small data at high levels, by @cyan4973
130*01826a49SYabin Cuiperf: reduced stack usage (mostly useful for Linux Kernel), by @terrelln
131*01826a49SYabin Cuiperf: faster compression speed on incompressible data, by @bindhvo
132*01826a49SYabin Cuiperf: on-demand reduced ZSTD_DCtx state size, using build macro ZSTD_DECODER_INTERNAL_BUFFER, at a small cost of performance, by @bindhvo
133*01826a49SYabin Cuibuild: allows hiding static symbols in the dynamic library, using build macro, by @skitt
134*01826a49SYabin Cuibuild: support for m68k (Motorola 68000's), by @cyan4973
135*01826a49SYabin Cuibuild: improved AIX support, by @Helflym
136*01826a49SYabin Cuibuild: improved meson unofficial build, by @eli-schwartz
137*01826a49SYabin Cuicli : custom memory limit when training dictionary (#2925), by @embg
138*01826a49SYabin Cuicli : report advanced parameters information when compressing in very verbose mode (`-vv`), by @Svetlitski-FB
139*01826a49SYabin Cui
140*01826a49SYabin Cuiv1.5.0  (May 11, 2021)
141*01826a49SYabin Cuiapi: Various functions promoted from experimental to stable API: (#2579-2581, @senhuang42)
142*01826a49SYabin Cui  `ZSTD_defaultCLevel()`
143*01826a49SYabin Cui  `ZSTD_getDictID_fromCDict()`
144*01826a49SYabin Cuiapi: Several experimental functions have been deprecated and will emit a compiler warning (#2582, @senhuang42)
145*01826a49SYabin Cui  `ZSTD_compress_advanced()`
146*01826a49SYabin Cui  `ZSTD_compress_usingCDict_advanced()`
147*01826a49SYabin Cui  `ZSTD_compressBegin_advanced()`
148*01826a49SYabin Cui  `ZSTD_compressBegin_usingCDict_advanced()`
149*01826a49SYabin Cui  `ZSTD_initCStream_srcSize()`
150*01826a49SYabin Cui  `ZSTD_initCStream_usingDict()`
151*01826a49SYabin Cui  `ZSTD_initCStream_usingCDict()`
152*01826a49SYabin Cui  `ZSTD_initCStream_advanced()`
153*01826a49SYabin Cui  `ZSTD_initCStream_usingCDict_advanced()`
154*01826a49SYabin Cui  `ZSTD_resetCStream()`
155*01826a49SYabin Cuiapi: ZSTDMT_NBWORKERS_MAX reduced to 64 for 32-bit environments (@Cyan4973)
156*01826a49SYabin Cuiperf: Significant speed improvements for middle compression levels (#2494, @senhuang42 @terrelln)
157*01826a49SYabin Cuiperf: Block splitter to improve compression ratio, enabled by default for high compression levels (#2447, @senhuang42)
158*01826a49SYabin Cuiperf: Decompression loop refactor, speed improvements on `clang` and for `--long` modes (#2614 #2630, @Cyan4973)
159*01826a49SYabin Cuiperf: Reduced stack usage during compression and decompression entropy stage (#2522 #2524, @terrelln)
160*01826a49SYabin Cuibug: Improve setting permissions of created files (#2525, @felixhandte)
161*01826a49SYabin Cuibug: Fix large dictionary non-determinism (#2607, @terrelln)
162*01826a49SYabin Cuibug: Fix non-determinism test failures on Linux i686 (#2606, @terrelln)
163*01826a49SYabin Cuibug: Fix various dedicated dictionary search bugs (#2540 #2586, @senhuang42 @felixhandte)
164*01826a49SYabin Cuibug: Ensure `ZSTD_estimateCCtxSize*() `monotonically increases with compression level (#2538, @senhuang42)
165*01826a49SYabin Cuibug: Fix --patch-from mode parameter bound bug with small files (#2637, @occivink)
166*01826a49SYabin Cuibug: Fix UBSAN error in decompression (#2625, @terrelln)
167*01826a49SYabin Cuibug: Fix superblock compression divide by zero bug (#2592, @senhuang42)
168*01826a49SYabin Cuibug: Make the number of physical CPU cores detection more robust (#2517, @PaulBone)
169*01826a49SYabin Cuidoc: Improve `zdict.h` dictionary training API documentation (#2622, @terrelln)
170*01826a49SYabin Cuidoc: Note that public `ZSTD_free*()` functions accept NULL pointers (#2521, @animalize)
171*01826a49SYabin Cuidoc: Add style guide docs for open source contributors (#2626, @Cyan4973)
172*01826a49SYabin Cuitests: Better regression test coverage for different dictionary modes (#2559, @senhuang42)
173*01826a49SYabin Cuitests: Better test coverage of index reduction (#2603, @terrelln)
174*01826a49SYabin Cuitests: OSS-Fuzz coverage for seekable format (#2617, @senhuang42)
175*01826a49SYabin Cuitests: Test coverage for ZSTD threadpool API (#2604, @senhuang42)
176*01826a49SYabin Cuibuild: Dynamic library built multithreaded by default (#2584, @senhuang42)
177*01826a49SYabin Cuibuild: Move  `zstd_errors.h`  and  `zdict.h`  to  `lib/`  root (#2597, @terrelln)
178*01826a49SYabin Cuibuild: Allow `ZSTDMT_JOBSIZE_MIN` to be configured at compile-time, reduce default to 512KB (#2611, @Cyan4973)
179*01826a49SYabin Cuibuild: Single file library build script moved to `build/` directory (#2618, @felixhandte)
180*01826a49SYabin Cuibuild: `ZBUFF_*()` is no longer built by default (#2583, @senhuang42)
181*01826a49SYabin Cuibuild: Fixed Meson build (#2548, @SupervisedThinking @kloczek)
182*01826a49SYabin Cuibuild: Fix excessive compiler warnings with clang-cl and CMake (#2600, @nickhutchinson)
183*01826a49SYabin Cuibuild: Detect presence of `md5` on Darwin (#2609, @felixhandte)
184*01826a49SYabin Cuibuild: Avoid SIGBUS on armv6 (#2633, @bmwiedmann)
185*01826a49SYabin Cuicli: `--progress` flag added to always display progress bar (#2595, @senhuang42)
186*01826a49SYabin Cuicli: Allow reading from block devices with `--force` (#2613, @felixhandte)
187*01826a49SYabin Cuicli: Fix CLI filesize display bug (#2550, @Cyan4973)
188*01826a49SYabin Cuicli: Fix windows CLI `--filelist` end-of-line bug (#2620, @Cyan4973)
189*01826a49SYabin Cuicontrib: Various fixes for linux kernel patch (#2539, @terrelln)
190*01826a49SYabin Cuicontrib: Seekable format - Decompression hanging edge case fix (#2516, @senhuang42)
191*01826a49SYabin Cuicontrib: Seekable format - New seek table-only API  (#2113 #2518, @mdittmer @Cyan4973)
192*01826a49SYabin Cuicontrib: Seekable format - Fix seek table descriptor check when loading (#2534, @foxeng)
193*01826a49SYabin Cuicontrib: Seekable format - Decompression fix for large offsets, (#2594, @azat)
194*01826a49SYabin Cuimisc: Automatically published release tarballs available on Github (#2535, @felixhandte)
195*01826a49SYabin Cui
196*01826a49SYabin Cuiv1.4.9  (Mar 1, 2021)
197*01826a49SYabin Cuibug: Use `umask()` to Constrain Created File Permissions (#2495, @felixhandte)
198*01826a49SYabin Cuibug: Make Simple Single-Pass Functions Ignore Advanced Parameters (#2498, @terrelln)
199*01826a49SYabin Cuiapi: Add (De)Compression Tracing Functionality (#2482, @terrelln)
200*01826a49SYabin Cuiapi: Support References to Multiple DDicts (#2446, @senhuang42)
201*01826a49SYabin Cuiapi: Add Function to Generate Skippable Frame (#2439, @senhuang42)
202*01826a49SYabin Cuiperf: New Algorithms for the Long Distance Matcher (#2483, @mpu)
203*01826a49SYabin Cuiperf: Performance Improvements for Long Distance Matcher (#2464, @mpu)
204*01826a49SYabin Cuiperf: Don't Shrink Window Log when Streaming with a Dictionary (#2451, @terrelln)
205*01826a49SYabin Cuicli: Fix `--output-dir-mirror` rejection of `..` -containing paths (#2512, @felixhandte)
206*01826a49SYabin Cuicli: Allow Input From Console When `-f`/`--force` is Passed (#2466, @felixhandte)
207*01826a49SYabin Cuicli: Improve Help Message (#2500, @senhuang42)
208*01826a49SYabin Cuitests: Remove Flaky Tests (#2455, #2486, #2445, @Cyan4973)
209*01826a49SYabin Cuitests: Correctly Invoke md5 Utility on NetBSD (#2492, @niacat)
210*01826a49SYabin Cuitests: Avoid Using `stat -c` on NetBSD (#2513, @felixhandte)
211*01826a49SYabin Cuibuild: Zstd CLI Can Now be Linked to Dynamic `libzstd` (#2457, #2454 @Cyan4973)
212*01826a49SYabin Cuibuild: Hide and Avoid Using Static-Only Symbols (#2501, #2504, @skitt)
213*01826a49SYabin Cuibuild: CMake: Enable Only C for lib/ and programs/ Projects (#2498, @concatime)
214*01826a49SYabin Cuibuild: CMake: Use `configure_file()` to Create the `.pc` File (#2462, @lazka)
215*01826a49SYabin Cuibuild: Fix Fuzzer Compiler Detection & Update UBSAN Flags (#2503, @terrelln)
216*01826a49SYabin Cuibuild: Add Guards for `_LARGEFILE_SOURCE` and `_LARGEFILE64_SOURCE` (#2444, @indygreg)
217*01826a49SYabin Cuibuild: Improve `zlibwrapper` Makefile (#2437, @Cyan4973)
218*01826a49SYabin Cuicontrib: Add `recover_directory` Program (#2473, @terrelln)
219*01826a49SYabin Cuidoc: Change License Year to 2021 (#2452 & #2465, @terrelln & @senhuang42)
220*01826a49SYabin Cuidoc: Fix Typos (#2459, @ThomasWaldmann)
221*01826a49SYabin Cui
222*01826a49SYabin Cuiv1.4.8  (Dec 18, 2020)
223*01826a49SYabin Cuihotfix: wrong alignment of an internal buffer
224*01826a49SYabin Cui
225*01826a49SYabin Cuiv1.4.7  (Dec 16, 2020)
226*01826a49SYabin Cuiperf: stronger --long mode at high compression levels, by @senhuang42
227*01826a49SYabin Cuiperf: stronger --patch-from at high compression levels, thanks to --long improvements
228*01826a49SYabin Cuiperf: faster dictionary compression at medium compression levels, by @felixhandte
229*01826a49SYabin Cuiperf: small speed & memory usage improvements for ZSTD_compress2(), by @terrelln
230*01826a49SYabin Cuiperf: improved fast compression speeds with Visual Studio, by @animalize
231*01826a49SYabin Cuicli : Set nb of threads with environment variable ZSTD_NBTHREADS, by @senhuang42
232*01826a49SYabin Cuicli : accept decompressing files with *.zstd suffix
233*01826a49SYabin Cuicli : provide a condensed summary by default when processing multiple files
234*01826a49SYabin Cuicli : fix : stdin input no longer confused as user prompt
235*01826a49SYabin Cuicli : improve accuracy of several error messages
236*01826a49SYabin Cuiapi : new sequence ingestion API, by @senhuang42
237*01826a49SYabin Cuiapi : shared thread pool: control total nb of threads used by multiple compression jobs, by @marxin
238*01826a49SYabin Cuiapi : new ZSTD_getDictID_fromCDict(), by @LuAPi
239*01826a49SYabin Cuiapi : zlibWrapper only uses public API, and is compatible with dynamic library, by @terrelln
240*01826a49SYabin Cuiapi : fix : multithreaded compression has predictable output even in special cases (see #2327) (issue not accessible from cli)
241*01826a49SYabin Cuiapi : fix : dictionary compression correctly respects dictionary compression level (see #2303) (issue not accessible from cli)
242*01826a49SYabin Cuibuild: fix cmake script when using path with spaces, by @terrelln
243*01826a49SYabin Cuibuild: improved compile-time detection of aarch64/neon platforms, by @bsdimp
244*01826a49SYabin Cuibuild: Fix building on AIX 5.1, by @likema
245*01826a49SYabin Cuibuild: compile paramgrill with cmake on Windows, requested by @mirh
246*01826a49SYabin Cuidoc : clarify repcode updates in format specification, by @felixhandte
247*01826a49SYabin Cui
248*01826a49SYabin Cuiv1.4.6
249*01826a49SYabin Cuifix : Always return dstSize_tooSmall when that is the case
250*01826a49SYabin Cuifix : Fix ZSTD_initCStream_advanced() with static allocation and no dictionary
251*01826a49SYabin Cuiperf: Improve small block decompression speed by 20%+, by @terrelln
252*01826a49SYabin Cuiperf: Reduce compression stack usage by 1 KB, by @terrelln
253*01826a49SYabin Cuiperf: Improve decompression speed by improving ZSTD_wildcopy, by @helloguo (#2252, #2256)
254*01826a49SYabin Cuiperf: Improve histogram construction, by @cyan4973 (#2253)
255*01826a49SYabin Cuicli : Add --output-dir-mirror option, by @xxie24 (#2219)
256*01826a49SYabin Cuicli : Warn when (de)compressing multiple files into a single output, by @senhuang42 (#2279)
257*01826a49SYabin Cuicli : Improved progress bar and status summary when (de)compressing multiple files, by @senhuang42 (#2283)
258*01826a49SYabin Cuicli : Call stat less often, by @felixhandte (#2262)
259*01826a49SYabin Cuicli : Allow --patch-from XXX and --filelist XXX in addition to --patch-from=XXX and --filelist=XXX, by @cyan4973 (#2250)
260*01826a49SYabin Cuicli : Allow --patch-from to compress stdin with --stream-size, by @bimbashrestha (#2206)
261*01826a49SYabin Cuiapi : Do not install zbuff.h, since it has long been deprecated, by @cyan4973 (#2166).
262*01826a49SYabin Cuiapi : Fix ZSTD_CCtx_setParameter() with ZSTD_c_compressionLevel to make 0 mean default level, by @i-do-cpp (#2291)
263*01826a49SYabin Cuiapi : Rename ZSTDMT_NBTHREADS_MAX to ZSTDMT_NBWORKERS_MAX, by @marxin (#2228).
264*01826a49SYabin Cuibuild: Install pkg-config file with CMake and MinGW, by @tonytheodore (#2183)
265*01826a49SYabin Cuibuild: Install DLL with CMake on Windows, by @BioDataAnalysis (#2221)
266*01826a49SYabin Cuibuild: Fix DLL install location with CMake, by @xantares and @bimbashrestha (#2186)
267*01826a49SYabin Cuibuild: Add ZSTD_NO_UNUSED_FUNCTIONS macro to hide unused functions
268*01826a49SYabin Cuibuild: Add ZSTD_NO_INTRINSICS macro to avoid explicit intrinsics
269*01826a49SYabin Cuibuild: Add STATIC_BMI2 macro for compile time detection of BMI2 on MSVC, by @Niadb (#2258)
270*01826a49SYabin Cuibuild: Fix -Wcomma warnings, by @cwoffenden
271*01826a49SYabin Cuibuild: Remove distutils requirement for meson build, by @neheb (#2197)
272*01826a49SYabin Cuibuild: Fix cli compilation with uclibc
273*01826a49SYabin Cuibuild: Fix cli compilation without st_mtime, by @ffontaine (#2246)
274*01826a49SYabin Cuibuild: Fix shadowing warnings in library
275*01826a49SYabin Cuibuild: Fix single file library compilation with Enscripten, by @yoshihitoh (#2227)
276*01826a49SYabin Cuimisc: Improve single file library and include dictBuilder, by @cwoffenden
277*01826a49SYabin Cuimisc: Allow compression dictionaries with missing symbols
278*01826a49SYabin Cuimisc: Add freestanding translation script in contrib/freestanding_lib
279*01826a49SYabin Cuimisc: Collect all of zstd's libc dependencies into zstd_deps.h
280*01826a49SYabin Cuidoc : Add ZSTD_versionString() to manual, by @animalize
281*01826a49SYabin Cuidoc : Fix documentation for ZSTD_CCtxParams_setParameter(), by @felixhandte (#2270)
282*01826a49SYabin Cui
283*01826a49SYabin Cuiv1.4.5  (May 22, 2020)
284*01826a49SYabin Cuifix : Compression ratio regression on huge files (> 3 GB) using high levels (--ultra) and multithreading, by @terrelln
285*01826a49SYabin Cuiperf: Improved decompression speed: x64 : +10% (clang) / +5% (gcc); ARM : from +15% to +50%, depending on SoC, by @terrelln
286*01826a49SYabin Cuiperf: Automatically downsizes ZSTD_DCtx when too large for too long (#2069, by @bimbashreshta)
287*01826a49SYabin Cuiperf: Improved fast compression speed on aarch64 (#2040, ~+3%, by @caoyzh)
288*01826a49SYabin Cuiperf: Small level 1 compression speed gains (depending on compiler)
289*01826a49SYabin Cuicli : New --patch-from command, create and apply patches from files, by @bimbashreshta
290*01826a49SYabin Cuicli : New --filelist= : Provide a list of files to operate upon from a file
291*01826a49SYabin Cuicli : -b -d command can now benchmark decompression on multiple files
292*01826a49SYabin Cuicli : New --no-content-size command
293*01826a49SYabin Cuicli : New --show-default-cparams information command
294*01826a49SYabin Cuiapi : ZDICT_finalizeDictionary() is promoted to stable (#2111)
295*01826a49SYabin Cuiapi : new experimental parameter ZSTD_d_stableOutBuffer (#2094)
296*01826a49SYabin Cuibuild: Generate a single-file libzstd library (#2065, by @cwoffenden)
297*01826a49SYabin Cuibuild: Relative includes no longer require -I compiler flags for zstd lib subdirs (#2103, by @felixhandte)
298*01826a49SYabin Cuibuild: zstd now compiles cleanly under -pedantic (#2099)
299*01826a49SYabin Cuibuild: zstd now compiles with make-4.3
300*01826a49SYabin Cuibuild: Support mingw cross-compilation from Linux, by @Ericson2314
301*01826a49SYabin Cuibuild: Meson multi-thread build fix on windows
302*01826a49SYabin Cuibuild: Some misc icc fixes backed by new ci test on travis
303*01826a49SYabin Cuimisc: bitflip analyzer tool, by @felixhandte
304*01826a49SYabin Cuimisc: Extend largeNbDicts benchmark to compression
305*01826a49SYabin Cuimisc: Edit-distance match finder in contrib/
306*01826a49SYabin Cuidoc : Improved beginner CONTRIBUTING.md docs
307*01826a49SYabin Cuidoc : New issue templates for zstd
308*01826a49SYabin Cui
309*01826a49SYabin Cuiv1.4.4  (Nov 6, 2019)
310*01826a49SYabin Cuiperf: Improved decompression speed, by > 10%, by @terrelln
311*01826a49SYabin Cuiperf: Better compression speed when re-using a context, by @felixhandte
312*01826a49SYabin Cuiperf: Fix compression ratio when compressing large files with small dictionary, by @senhuang42
313*01826a49SYabin Cuiperf: zstd reference encoder can generate RLE blocks, by @bimbashrestha
314*01826a49SYabin Cuiperf: minor generic speed optimization, by @davidbolvansky
315*01826a49SYabin Cuiapi: new ability to extract sequences from the parser for analysis, by @bimbashrestha
316*01826a49SYabin Cuiapi: fixed decoding of magic-less frames, by @terrelln
317*01826a49SYabin Cuiapi: fixed ZSTD_initCStream_advanced() performance with fast modes, reported by @QrczakMK
318*01826a49SYabin Cuicli: Named pipes support, by @bimbashrestha
319*01826a49SYabin Cuicli: short tar's extension support, by @stokito
320*01826a49SYabin Cuicli: command --output-dir-flat= , generates target files into requested directory, by @senhuang42
321*01826a49SYabin Cuicli: commands --stream-size=# and --size-hint=#, by @nmagerko
322*01826a49SYabin Cuicli: command --exclude-compressed, by @shashank0791
323*01826a49SYabin Cuicli: faster `-t` test mode
324*01826a49SYabin Cuicli: improved some error messages, by @vangyzen
325*01826a49SYabin Cuicli: fix command `-D dictionary` on Windows, reported by @artyompetrov
326*01826a49SYabin Cuicli: fix rare deadlock condition within dictionary builder, by @terrelln
327*01826a49SYabin Cuibuild: single-file decoder with emscripten compilation script, by @cwoffenden
328*01826a49SYabin Cuibuild: fixed zlibWrapper compilation on Visual Studio, reported by @bluenlive
329*01826a49SYabin Cuibuild: fixed deprecation warning for certain gcc version, reported by @jasonma163
330*01826a49SYabin Cuibuild: fix compilation on old gcc versions, by @cemeyer
331*01826a49SYabin Cuibuild: improved installation directories for cmake script, by Dmitri Shubin
332*01826a49SYabin Cuipack: modified pkgconfig, for better integration into openwrt, requested by @neheb
333*01826a49SYabin Cuimisc: Improved documentation : ZSTD_CLEVEL, DYNAMIC_BMI2, ZSTD_CDict, function deprecation, zstd format
334*01826a49SYabin Cuimisc: fixed educational decoder : accept larger literals section, and removed UNALIGNED() macro
335*01826a49SYabin Cui
336*01826a49SYabin Cuiv1.4.3  (Aug 20, 2019)
337*01826a49SYabin Cuibug: Fix Dictionary Compression Ratio Regression by @cyan4973 (#1709)
338*01826a49SYabin Cuibug: Fix Buffer Overflow in legacy v0.3 decompression by @felixhandte (#1722)
339*01826a49SYabin Cuibuild: Add support for IAR C/C++ Compiler for Arm by @joseph0918 (#1705)
340*01826a49SYabin Cui
341*01826a49SYabin Cuiv1.4.2  (Jul 26, 2019)
342*01826a49SYabin Cuibug: Fix bug in zstd-0.5 decoder by @terrelln (#1696)
343*01826a49SYabin Cuibug: Fix seekable decompression in-memory API by @iburinoc (#1695)
344*01826a49SYabin Cuimisc: Validate blocks are smaller than size limit by @vivekmg (#1685)
345*01826a49SYabin Cuimisc: Restructure source files by @ephiepark (#1679)
346*01826a49SYabin Cui
347*01826a49SYabin Cuiv1.4.1  (Jul 20, 2019)
348*01826a49SYabin Cuibug: Fix data corruption in niche use cases by @terrelln (#1659)
349*01826a49SYabin Cuibug: Fuzz legacy modes, fix uncovered bugs by @terrelln (#1593, #1594, #1595)
350*01826a49SYabin Cuibug: Fix out of bounds read by @terrelln (#1590)
351*01826a49SYabin Cuiperf: Improve decode speed by ~7% @mgrice (#1668)
352*01826a49SYabin Cuiperf: Slightly improved compression ratio of level 3 and 4 (ZSTD_dfast) by @cyan4973 (#1681)
353*01826a49SYabin Cuiperf: Slightly faster compression speed when re-using a context by @cyan4973 (#1658)
354*01826a49SYabin Cuiperf: Improve compression ratio for small windowLog by @cyan4973 (#1624)
355*01826a49SYabin Cuiperf: Faster compression speed in high compression mode for repetitive data by @terrelln (#1635)
356*01826a49SYabin Cuiapi: Add parameter to generate smaller dictionaries by @tyler-tran (#1656)
357*01826a49SYabin Cuicli: Recognize symlinks when built in C99 mode by @felixhandte (#1640)
358*01826a49SYabin Cuicli: Expose cpu load indicator for each file on -vv mode by @ephiepark (#1631)
359*01826a49SYabin Cuicli: Restrict read permissions on destination files by @chungy (#1644)
360*01826a49SYabin Cuicli: zstdgrep: handle -f flag by @felixhandte (#1618)
361*01826a49SYabin Cuicli: zstdcat: follow symlinks by @vejnar (#1604)
362*01826a49SYabin Cuidoc: Remove extra size limit on compressed blocks by @felixhandte (#1689)
363*01826a49SYabin Cuidoc: Fix typo by @yk-tanigawa (#1633)
364*01826a49SYabin Cuidoc: Improve documentation on streaming buffer sizes by @cyan4973 (#1629)
365*01826a49SYabin Cuibuild: CMake: support building with LZ4 @leeyoung624 (#1626)
366*01826a49SYabin Cuibuild: CMake: install zstdless and zstdgrep by @leeyoung624 (#1647)
367*01826a49SYabin Cuibuild: CMake: respect existing uninstall target by @j301scott (#1619)
368*01826a49SYabin Cuibuild: Make: skip multithread tests when built without support by @michaelforney (#1620)
369*01826a49SYabin Cuibuild: Make: Fix examples/ test target by @sjnam (#1603)
370*01826a49SYabin Cuibuild: Meson: rename options out of deprecated namespace by @lzutao (#1665)
371*01826a49SYabin Cuibuild: Meson: fix build by @lzutao (#1602)
372*01826a49SYabin Cuibuild: Visual Studio: don't export symbols in static lib by @scharan (#1650)
373*01826a49SYabin Cuibuild: Visual Studio: fix linking by @absotively (#1639)
374*01826a49SYabin Cuibuild: Fix MinGW-W64 build by @myzhang1029 (#1600)
375*01826a49SYabin Cuimisc: Expand decodecorpus coverage by @ephiepark (#1664)
376*01826a49SYabin Cui
377*01826a49SYabin Cuiv1.4.0  (Apr 17, 2019)
378*01826a49SYabin Cuiperf: Improve level 1 compression speed in most scenarios by 6% by @gbtucker and @terrelln
379*01826a49SYabin Cuiapi: Move the advanced API, including all functions in the staging section, to the stable section
380*01826a49SYabin Cuiapi: Make ZSTD_e_flush and ZSTD_e_end block for maximum forward progress
381*01826a49SYabin Cuiapi: Rename ZSTD_CCtxParam_getParameter to ZSTD_CCtxParams_getParameter
382*01826a49SYabin Cuiapi: Rename ZSTD_CCtxParam_setParameter to ZSTD_CCtxParams_setParameter
383*01826a49SYabin Cuiapi: Don't export ZSTDMT functions from the shared library by default
384*01826a49SYabin Cuiapi: Require ZSTD_MULTITHREAD to be defined to use ZSTDMT
385*01826a49SYabin Cuiapi: Add ZSTD_decompressBound() to provide an upper bound on decompressed size by @shakeelrao
386*01826a49SYabin Cuiapi: Fix ZSTD_decompressDCtx() corner cases with a dictionary
387*01826a49SYabin Cuiapi: Move ZSTD_getDictID_*() functions to the stable section
388*01826a49SYabin Cuiapi: Add ZSTD_c_literalCompressionMode flag to enable or disable literal compression by @terrelln
389*01826a49SYabin Cuiapi: Allow compression parameters to be set when a dictionary is used
390*01826a49SYabin Cuiapi: Allow setting parameters before or after ZSTD_CCtx_loadDictionary() is called
391*01826a49SYabin Cuiapi: Fix ZSTD_estimateCStreamSize_usingCCtxParams()
392*01826a49SYabin Cuiapi: Setting ZSTD_d_maxWindowLog to 0 means use the default
393*01826a49SYabin Cuicli: Ensure that a dictionary is not used to compress itself by @shakeelrao
394*01826a49SYabin Cuicli: Add --[no-]compress-literals flag to enable or disable literal compression
395*01826a49SYabin Cuidoc: Update the examples to use the advanced API
396*01826a49SYabin Cuidoc: Explain how to transition from old streaming functions to the advanced API in the header
397*01826a49SYabin Cuibuild: Improve the Windows release packages
398*01826a49SYabin Cuibuild: Improve CMake build by @hjmjohnson
399*01826a49SYabin Cuibuild: Build fixes for FreeBSD by @lwhsu
400*01826a49SYabin Cuibuild: Remove redundant warnings by @thatsafunnyname
401*01826a49SYabin Cuibuild: Fix tests on OpenBSD by @bket
402*01826a49SYabin Cuibuild: Extend fuzzer build system to work with the new clang engine
403*01826a49SYabin Cuibuild: CMake now creates the libzstd.so.1 symlink
404*01826a49SYabin Cuibuild: Improve Menson build by @lzutao
405*01826a49SYabin Cuimisc: Fix symbolic link detection on FreeBSD
406*01826a49SYabin Cuimisc: Use physical core count for -T0 on FreeBSD by @cemeyer
407*01826a49SYabin Cuimisc: Fix zstd --list on truncated files by @kostmo
408*01826a49SYabin Cuimisc: Improve logging in debug mode by @felixhandte
409*01826a49SYabin Cuimisc: Add CirrusCI tests by @lwhsu
410*01826a49SYabin Cuimisc: Optimize dictionary memory usage in corner cases
411*01826a49SYabin Cuimisc: Improve the dictionary builder on small or homogeneous data
412*01826a49SYabin Cuimisc: Fix spelling across the repo by @jsoref
413*01826a49SYabin Cui
414*01826a49SYabin Cuiv1.3.8  (Dec 28, 2018)
415*01826a49SYabin Cuiperf: better decompression speed on large files (+7%) and cold dictionaries (+15%)
416*01826a49SYabin Cuiperf: slightly better compression ratio at high compression modes
417*01826a49SYabin Cuiapi : finalized advanced API, last stage before "stable" status
418*01826a49SYabin Cuiapi : new --rsyncable mode, by @terrelln
419*01826a49SYabin Cuiapi : support decompression of empty frames into NULL (used to be an error) (#1385)
420*01826a49SYabin Cuibuild: new set of macros to build a minimal size decoder, by @felixhandte
421*01826a49SYabin Cuibuild: fix compilation on MIPS32, reported by @clbr (#1441)
422*01826a49SYabin Cuibuild: fix compilation with multiple -arch flags, by @ryandesign
423*01826a49SYabin Cuibuild: highly upgraded meson build, by @lzutao
424*01826a49SYabin Cuibuild: improved buck support, by @obelisk
425*01826a49SYabin Cuibuild: fix cmake script : can create debug build, by @pitrou
426*01826a49SYabin Cuibuild: Makefile : grep works on both colored consoles and systems without color support
427*01826a49SYabin Cuibuild: fixed zstd-pgo, by @bmwiedemann
428*01826a49SYabin Cuicli : support ZSTD_CLEVEL environment variable, by @yijinfb (#1423)
429*01826a49SYabin Cuicli : --no-progress flag, preserving final summary (#1371), by @terrelln
430*01826a49SYabin Cuicli : ensure destination file is not source file (#1422)
431*01826a49SYabin Cuicli : clearer error messages, especially when input file not present
432*01826a49SYabin Cuidoc : clarified zstd_compression_format.md, by @ulikunitz
433*01826a49SYabin Cuimisc: fixed zstdgrep, returns 1 on failure, by @lzutao
434*01826a49SYabin Cuimisc: NEWS renamed as CHANGELOG, in accordance with fboss
435*01826a49SYabin Cui
436*01826a49SYabin Cuiv1.3.7  (Oct 20, 2018)
437*01826a49SYabin Cuiperf: slightly better decompression speed on clang (depending on hardware target)
438*01826a49SYabin Cuifix : performance of dictionary compression for small input < 4 KB at levels 9 and 10
439*01826a49SYabin Cuibuild: no longer build backtrace by default in release mode; restrict further automatic mode
440*01826a49SYabin Cuibuild: control backtrace support through build macro BACKTRACE
441*01826a49SYabin Cuimisc: added man pages for zstdless and zstdgrep, by @samrussell
442*01826a49SYabin Cui
443*01826a49SYabin Cuiv1.3.6  (Oct 6, 2018)
444*01826a49SYabin Cuiperf: much faster dictionary builder, by @jenniferliu
445*01826a49SYabin Cuiperf: faster dictionary compression on small data when using multiple contexts, by @felixhandte
446*01826a49SYabin Cuiperf: faster dictionary decompression when using a very large number of dictionaries simultaneously
447*01826a49SYabin Cuicli : fix : does no longer overwrite destination when source does not exist (#1082)
448*01826a49SYabin Cuicli : new command --adapt, for automatic compression level adaptation
449*01826a49SYabin Cuiapi : fix : block api can be streamed with > 4 GB, reported by @catid
450*01826a49SYabin Cuiapi : reduced ZSTD_DDict size by 2 KB
451*01826a49SYabin Cuiapi : minimum negative compression level is defined, and can be queried using ZSTD_minCLevel().
452*01826a49SYabin Cuibuild: support Haiku target, by @korli
453*01826a49SYabin Cuibuild: Read Legacy format is limited to v0.5+ by default. Can be changed at compile time with macro ZSTD_LEGACY_SUPPORT.
454*01826a49SYabin Cuidoc : zstd_compression_format.md updated to match wording in IETF RFC 8478
455*01826a49SYabin Cuimisc: tests/paramgrill, a parameter optimizer, by @GeorgeLu97
456*01826a49SYabin Cui
457*01826a49SYabin Cuiv1.3.5  (Jun 29, 2018)
458*01826a49SYabin Cuiperf: much faster dictionary compression, by @felixhandte
459*01826a49SYabin Cuiperf: small quality improvement for dictionary generation, by @terrelln
460*01826a49SYabin Cuiperf: slightly improved high compression levels (notably level 19)
461*01826a49SYabin Cuimem : automatic memory release for long duration contexts
462*01826a49SYabin Cuicli : fix : overlapLog can be manually set
463*01826a49SYabin Cuicli : fix : decoding invalid lz4 frames
464*01826a49SYabin Cuiapi : fix : performance degradation for dictionary compression when using advanced API, by @terrelln
465*01826a49SYabin Cuiapi : change : clarify ZSTD_CCtx_reset() vs ZSTD_CCtx_resetParameters(), by @terrelln
466*01826a49SYabin Cuibuild: select custom libzstd scope through control macros, by @GeorgeLu97
467*01826a49SYabin Cuibuild: OpenBSD patch, by @bket
468*01826a49SYabin Cuibuild: make and make all are compatible with -j
469*01826a49SYabin Cuidoc : clarify zstd_compression_format.md, updated for IETF RFC process
470*01826a49SYabin Cuimisc: pzstd compatible with reproducible compilation, by @lamby
471*01826a49SYabin Cui
472*01826a49SYabin Cuiv1.3.4  (Mar 27, 2018)
473*01826a49SYabin Cuiperf: faster speed (especially decoding speed) on recent cpus (haswell+)
474*01826a49SYabin Cuiperf: much better performance associating --long with multi-threading, by @terrelln
475*01826a49SYabin Cuiperf: better compression at levels 13-15
476*01826a49SYabin Cuicli : asynchronous compression by default, for faster experience (use --single-thread for former behavior)
477*01826a49SYabin Cuicli : smoother status report in multi-threading mode
478*01826a49SYabin Cuicli : added command --fast=#, for faster compression modes
479*01826a49SYabin Cuicli : fix crash when not overwriting existing files, by Pádraig Brady (@pixelb)
480*01826a49SYabin Cuiapi : `nbThreads` becomes `nbWorkers` : 1 triggers asynchronous mode
481*01826a49SYabin Cuiapi : compression levels can be negative, for even more speed
482*01826a49SYabin Cuiapi : ZSTD_getFrameProgression() : get precise progress status of ZSTDMT anytime
483*01826a49SYabin Cuiapi : ZSTDMT can accept new compression parameters during compression
484*01826a49SYabin Cuiapi : implemented all advanced dictionary decompression prototypes
485*01826a49SYabin Cuibuild: improved meson recipe, by Shawn Landden (@shawnl)
486*01826a49SYabin Cuibuild: VS2017 scripts, by @HaydnTrigg
487*01826a49SYabin Cuimisc: all /contrib projects fixed
488*01826a49SYabin Cuimisc: added /contrib/docker script by @gyscos
489*01826a49SYabin Cui
490*01826a49SYabin Cuiv1.3.3  (Dec 21, 2017)
491*01826a49SYabin Cuiperf: faster zstd_opt strategy (levels 16-19)
492*01826a49SYabin Cuifix : bug #944 : multithreading with shared ditionary and large data, reported by @gsliepen
493*01826a49SYabin Cuicli : fix : content size written in header by default
494*01826a49SYabin Cuicli : fix : improved LZ4 format support, by @felixhandte
495*01826a49SYabin Cuicli : new : hidden command `-S`, to benchmark multiple files while generating one result per file
496*01826a49SYabin Cuiapi : fix : support large skippable frames, by @terrelln
497*01826a49SYabin Cuiapi : fix : streaming interface was adding a useless 3-bytes null block to small frames
498*01826a49SYabin Cuiapi : change : when setting `pledgedSrcSize`, use `ZSTD_CONTENTSIZE_UNKNOWN` macro value to mean "unknown"
499*01826a49SYabin Cuibuild: fix : compilation under rhel6 and centos6, reported by @pixelb
500*01826a49SYabin Cuibuild: added `check` target
501*01826a49SYabin Cui
502*01826a49SYabin Cuiv1.3.2  (Oct 10, 2017)
503*01826a49SYabin Cuinew : long range mode, using --long command, by Stella Lau (@stellamplau)
504*01826a49SYabin Cuinew : ability to generate and decode magicless frames (#591)
505*01826a49SYabin Cuichanged : maximum nb of threads reduced to 200, to avoid address space exhaustion in 32-bits mode
506*01826a49SYabin Cuifix : multi-threading compression works with custom allocators
507*01826a49SYabin Cuifix : ZSTD_sizeof_CStream() was over-evaluating memory usage
508*01826a49SYabin Cuifix : a rare compression bug when compression generates very large distances and bunch of other conditions (only possible at --ultra -22)
509*01826a49SYabin Cuifix : 32-bits build can now decode large offsets (levels 21+)
510*01826a49SYabin Cuicli : added LZ4 frame support by default, by Felix Handte (@felixhandte)
511*01826a49SYabin Cuicli : improved --list output
512*01826a49SYabin Cuicli : new : can split input file for dictionary training, using command -B#
513*01826a49SYabin Cuicli : new : clean operation artefact on Ctrl-C interruption
514*01826a49SYabin Cuicli : fix : do not change /dev/null permissions when using command -t with root access, reported by @mike155 (#851)
515*01826a49SYabin Cuicli : fix : write file size in header in multiple-files mode
516*01826a49SYabin Cuiapi : added macro ZSTD_COMPRESSBOUND() for static allocation
517*01826a49SYabin Cuiapi : experimental : new advanced decompression API
518*01826a49SYabin Cuiapi : fix : sizeof_CCtx() used to over-estimate
519*01826a49SYabin Cuibuild: fix : no-multithread variant compiles without pool.c dependency, reported by Mitchell Blank Jr (@mitchblank) (#819)
520*01826a49SYabin Cuibuild: better compatibility with reproducible builds, by Bernhard M. Wiedemann (@bmwiedemann) (#818)
521*01826a49SYabin Cuiexample : added streaming_memory_usage
522*01826a49SYabin Cuilicense : changed /examples license to BSD + GPLv2
523*01826a49SYabin Cuilicense : fix a few header files to reflect new license (#825)
524*01826a49SYabin Cui
525*01826a49SYabin Cuiv1.3.1  (Aug 21, 2017)
526*01826a49SYabin CuiNew license : BSD + GPLv2
527*01826a49SYabin Cuiperf: substantially decreased memory usage in Multi-threading mode, thanks to reports by Tino Reichardt (@mcmilk)
528*01826a49SYabin Cuiperf: Multi-threading supports up to 256 threads. Cap at 256 when more are requested (#760)
529*01826a49SYabin Cuicli : improved and fixed --list command, by @ib (#772)
530*01826a49SYabin Cuicli : command -vV to list supported formats, by @ib (#771)
531*01826a49SYabin Cuibuild : fixed binary variants, reported by @svenha (#788)
532*01826a49SYabin Cuibuild : fix Visual compilation for non x86/x64 targets, reported by Greg Slazinski (@GregSlazinski) (#718)
533*01826a49SYabin CuiAPI exp : breaking change : ZSTD_getframeHeader() provides more information
534*01826a49SYabin CuiAPI exp : breaking change : pinned down values of error codes
535*01826a49SYabin Cuidoc : fixed huffman example, by Ulrich Kunitz (@ulikunitz)
536*01826a49SYabin Cuinew : contrib/adaptive-compression, I/O driven compression strength, by Paul Cruz (@paulcruz74)
537*01826a49SYabin Cuinew : contrib/long_distance_matching, statistics by Stella Lau (@stellamplau)
538*01826a49SYabin Cuiupdated : contrib/linux-kernel, by Nick Terrell (@terrelln)
539*01826a49SYabin Cui
540*01826a49SYabin Cuiv1.3.0  (Jul 6, 2017)
541*01826a49SYabin Cuicli : new : `--list` command, by Paul Cruz
542*01826a49SYabin Cuicli : changed : xz/lzma support enabled by default
543*01826a49SYabin Cuicli : changed : `-t *` continue processing list after a decompression error
544*01826a49SYabin CuiAPI : added : ZSTD_versionString()
545*01826a49SYabin CuiAPI : promoted to stable status : ZSTD_getFrameContentSize(), by Sean Purcell
546*01826a49SYabin CuiAPI exp : new advanced API : ZSTD_compress_generic(), ZSTD_CCtx_setParameter()
547*01826a49SYabin CuiAPI exp : new : API for static or external allocation : ZSTD_initStatic?Ctx()
548*01826a49SYabin CuiAPI exp : added : ZSTD_decompressBegin_usingDDict(), requested by Guy Riddle (#700)
549*01826a49SYabin CuiAPI exp : clarified memory estimation / measurement functions.
550*01826a49SYabin CuiAPI exp : changed : strongest strategy renamed ZSTD_btultra, fastest strategy ZSTD_fast set to 1
551*01826a49SYabin Cuitools : decodecorpus can generate random dictionary-compressed samples, by Paul Cruz
552*01826a49SYabin Cuinew : contrib/seekable_format, demo and API, by Sean Purcell
553*01826a49SYabin Cuichanged : contrib/linux-kernel, updated version and license, by Nick Terrell
554*01826a49SYabin Cui
555*01826a49SYabin Cuiv1.2.0  (May 5, 2017)
556*01826a49SYabin Cuicli : changed : Multithreading enabled by default (use target zstd-nomt or HAVE_THREAD=0 to disable)
557*01826a49SYabin Cuicli : new : command -T0 means "detect and use nb of cores", by Sean Purcell
558*01826a49SYabin Cuicli : new : zstdmt symlink hardwired to `zstd -T0`
559*01826a49SYabin Cuicli : new : command --threads=# (#671)
560*01826a49SYabin Cuicli : changed : cover dictionary builder by default, for improved quality, by Nick Terrell
561*01826a49SYabin Cuicli : new : commands --train-cover and --train-legacy, to select dictionary algorithm and parameters
562*01826a49SYabin Cuicli : experimental targets `zstd4` and `xzstd4`, with support for lz4 format, by Sean Purcell
563*01826a49SYabin Cuicli : fix : does not output compressed data on console
564*01826a49SYabin Cuicli : fix : ignore symbolic links unless --force specified,
565*01826a49SYabin CuiAPI : breaking change : ZSTD_createCDict_advanced(), only use compressionParameters as argument
566*01826a49SYabin CuiAPI : added : prototypes ZSTD_*_usingCDict_advanced(), for direct control over frameParameters.
567*01826a49SYabin CuiAPI : improved: ZSTDMT_compressCCtx() reduced memory usage
568*01826a49SYabin CuiAPI : fix : ZSTDMT_compressCCtx() now provides srcSize in header (#634)
569*01826a49SYabin CuiAPI : fix : src size stored in frame header is controlled at end of frame
570*01826a49SYabin CuiAPI : fix : enforced consistent rules for pledgedSrcSize==0 (#641)
571*01826a49SYabin CuiAPI : fix : error code "GENERIC" replaced by "dstSizeTooSmall" when appropriate
572*01826a49SYabin Cuibuild: improved cmake script, by @Majlen
573*01826a49SYabin Cuibuild: enabled Multi-threading support for *BSD, by Baptiste Daroussin
574*01826a49SYabin Cuitools: updated Paramgrill. Command -O# provides best parameters for sample and speed target.
575*01826a49SYabin Cuinew : contrib/linux-kernel version, by Nick Terrell
576*01826a49SYabin Cui
577*01826a49SYabin Cuiv1.1.4  (Mar 18, 2017)
578*01826a49SYabin Cuicli : new : can compress in *.gz format, using --format=gzip command, by Przemyslaw Skibinski
579*01826a49SYabin Cuicli : new : advanced benchmark command --priority=rt
580*01826a49SYabin Cuicli : fix : write on sparse-enabled file systems in 32-bits mode, by @ds77
581*01826a49SYabin Cuicli : fix : --rm remains silent when input is stdin
582*01826a49SYabin Cuicli : experimental : xzstd, with support for xz/lzma decoding, by Przemyslaw Skibinski
583*01826a49SYabin Cuispeed : improved decompression speed in streaming mode for single shot scenarios (+5%)
584*01826a49SYabin Cuimemory: DDict (decompression dictionary) memory usage down from 150 KB to 20 KB
585*01826a49SYabin Cuiarch: 32-bits variant able to generate and decode very long matches (>32 MB), by Sean Purcell
586*01826a49SYabin CuiAPI : new : ZSTD_findFrameCompressedSize(), ZSTD_getFrameContentSize(), ZSTD_findDecompressedSize()
587*01826a49SYabin CuiAPI : changed : dropped support of legacy versions <= v0.3 (can be changed by modifying ZSTD_LEGACY_SUPPORT value)
588*01826a49SYabin Cuibuild : new: meson build system in contrib/meson, by Dima Krasner
589*01826a49SYabin Cuibuild : improved cmake script, by @Majlen
590*01826a49SYabin Cuibuild : added -Wformat-security flag, as recommended by Padraig Brady
591*01826a49SYabin Cuidoc : new : educational decoder, by Sean Purcell
592*01826a49SYabin Cui
593*01826a49SYabin Cuiv1.1.3  (Feb 7, 2017)
594*01826a49SYabin Cuicli : zstd can decompress .gz files (can be disabled with `make zstd-nogz` or `make HAVE_ZLIB=0`)
595*01826a49SYabin Cuicli : new : experimental target `make zstdmt`, with multi-threading support
596*01826a49SYabin Cuicli : new : improved dictionary builder "cover" (experimental), by Nick Terrell, based on prior work by Giuseppe Ottaviano.
597*01826a49SYabin Cuicli : new : advanced commands for detailed parameters, by Przemyslaw Skibinski
598*01826a49SYabin Cuicli : fix zstdless on Mac OS-X, by Andrew Janke
599*01826a49SYabin Cuicli : fix #232 "compress non-files"
600*01826a49SYabin CuidictBuilder : improved dictionary generation quality, thanks to Nick Terrell
601*01826a49SYabin CuiAPI : new : lib/compress/ZSTDMT_compress.h multithreading API (experimental)
602*01826a49SYabin CuiAPI : new : ZSTD_create?Dict_byReference(), requested by Bartosz Taudul
603*01826a49SYabin CuiAPI : new : ZDICT_finalizeDictionary()
604*01826a49SYabin CuiAPI : fix : ZSTD_initCStream_usingCDict() properly writes dictID into frame header, by Gregory Szorc (#511)
605*01826a49SYabin CuiAPI : fix : all symbols properly exposed in libzstd, by Nick Terrell
606*01826a49SYabin Cuibuild : support for Solaris target, by Przemyslaw Skibinski
607*01826a49SYabin Cuidoc : clarified specification, by Sean Purcell
608*01826a49SYabin Cui
609*01826a49SYabin Cuiv1.1.2  (Dec 15, 2016)
610*01826a49SYabin CuiAPI : streaming : decompression : changed : automatic implicit reset when chain-decoding new frames without init
611*01826a49SYabin CuiAPI : experimental : added : dictID retrieval functions, and ZSTD_initCStream_srcSize()
612*01826a49SYabin CuiAPI : zbuff : changed : prototypes now generate deprecation warnings
613*01826a49SYabin Cuilib : improved : faster decompression speed at ultra compression settings and 32-bits mode
614*01826a49SYabin Cuilib : changed : only public ZSTD_ symbols are now exposed
615*01826a49SYabin Cuilib : changed : reduced usage  of stack memory
616*01826a49SYabin Cuilib : fixed : several corner case bugs, by Nick Terrell
617*01826a49SYabin Cuicli : new : gzstd, experimental version able to decode .gz files, by Przemyslaw Skibinski
618*01826a49SYabin Cuicli : new : preserve file attributes
619*01826a49SYabin Cuicli : new : added zstdless and zstdgrep tools
620*01826a49SYabin Cuicli : fixed : status displays total amount decoded, even for file consisting of multiple frames (like pzstd)
621*01826a49SYabin Cuicli : fixed : zstdcat
622*01826a49SYabin Cuizlib_wrapper : added support for gz* functions, by Przemyslaw Skibinski
623*01826a49SYabin Cuiinstall : better compatibility with FreeBSD, by Dimitry Andric
624*01826a49SYabin Cuisource tree : changed : zbuff source files moved to lib/deprecated
625*01826a49SYabin Cui
626*01826a49SYabin Cuiv1.1.1  (Nov 2, 2016)
627*01826a49SYabin CuiNew : command -M#, --memory=, --memlimit=, --memlimit-decompress= to limit allowed memory consumption
628*01826a49SYabin CuiNew : doc/zstd_manual.html, by Przemyslaw Skibinski
629*01826a49SYabin CuiImproved : slightly better compression ratio at --ultra levels (>= 20)
630*01826a49SYabin CuiImproved : better memory usage when using streaming compression API, thanks to @Rogier-5 report
631*01826a49SYabin CuiAdded : API : ZSTD_initCStream_usingCDict(), ZSTD_initDStream_usingDDict() (experimental section)
632*01826a49SYabin CuiAdded : example/multiple_streaming_compression.c
633*01826a49SYabin CuiChanged : zstd_errors.h is now installed within /include (and replaces errors_public.h)
634*01826a49SYabin CuiUpdated man page
635*01826a49SYabin CuiFixed : zstd-small, zstd-compress and zstd-decompress compilation targets
636*01826a49SYabin Cui
637*01826a49SYabin Cuiv1.1.0  (Sep 28, 2016)
638*01826a49SYabin CuiNew : contrib/pzstd, parallel version of zstd, by Nick Terrell
639*01826a49SYabin Cuiadded : NetBSD install target (#338)
640*01826a49SYabin CuiImproved : speed for batches of small files
641*01826a49SYabin CuiImproved : speed of zlib wrapper, by Przemyslaw Skibinski
642*01826a49SYabin CuiChanged : libzstd on Windows supports legacy formats, by Christophe Chevalier
643*01826a49SYabin CuiFixed : CLI -d output to stdout by default when input is stdin (#322)
644*01826a49SYabin CuiFixed : CLI correctly detects console on Mac OS-X
645*01826a49SYabin CuiFixed : CLI supports recursive mode `-r` on Mac OS-X
646*01826a49SYabin CuiFixed : Legacy decoders use unified error codes, reported by benrg (#341), fixed by Przemyslaw Skibinski
647*01826a49SYabin CuiFixed : compatibility with OpenBSD, reported by Juan Francisco Cantero Hurtado (#319)
648*01826a49SYabin CuiFixed : compatibility with Hurd, by Przemyslaw Skibinski (#365)
649*01826a49SYabin CuiFixed : zstd-pgo, reported by octoploid (#329)
650*01826a49SYabin Cui
651*01826a49SYabin Cuiv1.0.0  (Sep 1, 2016)
652*01826a49SYabin CuiChange Licensing, all project is now BSD, Copyright Facebook
653*01826a49SYabin CuiSmall decompression speed improvement
654*01826a49SYabin CuiAPI : Streaming API supports legacy format
655*01826a49SYabin CuiAPI : ZDICT_getDictID(), ZSTD_sizeof_{CCtx, DCtx, CStream, DStream}(), ZSTD_setDStreamParameter()
656*01826a49SYabin CuiCLI supports legacy formats v0.4+
657*01826a49SYabin CuiFixed : compression fails on certain huge files, reported by Jesse McGrew
658*01826a49SYabin CuiEnhanced documentation, by Przemyslaw Skibinski
659*01826a49SYabin Cui
660*01826a49SYabin Cuiv0.8.1  (Aug 18, 2016)
661*01826a49SYabin CuiNew streaming API
662*01826a49SYabin CuiChanged : --ultra now enables levels beyond 19
663*01826a49SYabin CuiChanged : -i# now selects benchmark time in second
664*01826a49SYabin CuiFixed : ZSTD_compress* can now compress > 4 GB in a single pass, reported by Nick Terrell
665*01826a49SYabin CuiFixed : speed regression on specific patterns (#272)
666*01826a49SYabin CuiFixed : support for Z_SYNC_FLUSH, by Dmitry Krot (#291)
667*01826a49SYabin CuiFixed : ICC compilation, by Przemyslaw Skibinski
668*01826a49SYabin Cui
669*01826a49SYabin Cuiv0.8.0  (Aug 2, 2016)
670*01826a49SYabin CuiImproved : better speed on clang and gcc -O2, thanks to Eric Biggers
671*01826a49SYabin CuiNew : Build on FreeBSD and DragonFly, thanks to JrMarino
672*01826a49SYabin CuiChanged : modified API : ZSTD_compressEnd()
673*01826a49SYabin CuiFixed : legacy mode with ZSTD_HEAPMODE=0, by Christopher Bergqvist
674*01826a49SYabin CuiFixed : premature end of frame when zero-sized raw block, reported by Eric Biggers
675*01826a49SYabin CuiFixed : large dictionaries (> 384 KB), reported by Ilona Papava
676*01826a49SYabin CuiFixed : checksum correctly checked in single-pass mode
677*01826a49SYabin CuiFixed : combined --test amd --rm, reported by Andreas M. Nilsson
678*01826a49SYabin CuiModified : minor compression level adaptations
679*01826a49SYabin CuiUpdated : compression format specification to v0.2.0
680*01826a49SYabin Cuichanged : zstd.h moved to /lib directory
681*01826a49SYabin Cui
682*01826a49SYabin Cuiv0.7.5  (Aug 1, 2016)
683*01826a49SYabin CuiTransition version, supporting decoding of v0.8.x
684*01826a49SYabin Cui
685*01826a49SYabin Cuiv0.7.4  (Jul 17, 2016)
686*01826a49SYabin CuiAdded : homebrew for Mac, by Daniel Cade
687*01826a49SYabin CuiAdded : more examples
688*01826a49SYabin CuiFixed : segfault when using small dictionaries, reported by Felix Handte
689*01826a49SYabin CuiModified : default compression level for CLI is now 3
690*01826a49SYabin CuiUpdated : specification, to v0.1.1
691*01826a49SYabin Cui
692*01826a49SYabin Cuiv0.7.3  (Jul 9, 2016)
693*01826a49SYabin CuiNew : compression format specification
694*01826a49SYabin CuiNew : `--` separator, stating that all following arguments are file names. Suggested by Chip Turner.
695*01826a49SYabin CuiNew : `ZSTD_getDecompressedSize()`
696*01826a49SYabin CuiNew : OpenBSD target, by Juan Francisco Cantero Hurtado
697*01826a49SYabin CuiNew : `examples` directory
698*01826a49SYabin Cuifixed : dictBuilder using HC levels, reported by Bartosz Taudul
699*01826a49SYabin Cuifixed : legacy support from ZSTD_decompress_usingDDict(), reported by Felix Handte
700*01826a49SYabin Cuifixed : multi-blocks decoding with intermediate uncompressed blocks, reported by Greg Slazinski
701*01826a49SYabin Cuimodified : removed "mem.h" and "error_public.h" dependencies from "zstd.h" (experimental section)
702*01826a49SYabin Cuimodified : legacy functions no longer need magic number
703*01826a49SYabin Cui
704*01826a49SYabin Cuiv0.7.2  (Jul 4, 2016)
705*01826a49SYabin Cuifixed : ZSTD_decompressBlock() using multiple consecutive blocks. Reported by Greg Slazinski.
706*01826a49SYabin Cuifixed : potential segfault on very large files (many gigabytes). Reported by Chip Turner.
707*01826a49SYabin Cuifixed : CLI displays system error message when destination file cannot be created (#231). Reported by Chip Turner.
708*01826a49SYabin Cui
709*01826a49SYabin Cuiv0.7.1  (Jun 23, 2016)
710*01826a49SYabin Cuifixed : ZBUFF_compressEnd() called multiple times with too small `dst` buffer, reported by Christophe Chevalier
711*01826a49SYabin Cuifixed : dictBuilder fails if first sample is too small, reported by Руслан Ковалёв
712*01826a49SYabin Cuifixed : corruption issue, reported by cj
713*01826a49SYabin Cuimodified : checksum enabled by default in command line mode
714*01826a49SYabin Cui
715*01826a49SYabin Cuiv0.7.0  (Jun 17, 2016)
716*01826a49SYabin CuiNew : Support for directory compression, using `-r`, thanks to Przemyslaw Skibinski
717*01826a49SYabin CuiNew : Command `--rm`, to remove source file after successful de/compression
718*01826a49SYabin CuiNew : Visual build scripts, by Christophe Chevalier
719*01826a49SYabin CuiNew : Support for Sparse File-systems (do not use space for zero-filled sectors)
720*01826a49SYabin CuiNew : Frame checksum support
721*01826a49SYabin CuiNew : Support pass-through mode (when using `-df`)
722*01826a49SYabin CuiAPI : more efficient Dictionary API : `ZSTD_compress_usingCDict()`, `ZSTD_decompress_usingDDict()`
723*01826a49SYabin CuiAPI : create dictionary files from custom content, by Giuseppe Ottaviano
724*01826a49SYabin CuiAPI : support for custom malloc/free functions
725*01826a49SYabin CuiNew : controllable Dictionary ID
726*01826a49SYabin CuiNew : Support for skippable frames
727*01826a49SYabin Cui
728*01826a49SYabin Cuiv0.6.1  (May 13, 2016)
729*01826a49SYabin CuiNew : zlib wrapper API, thanks to Przemyslaw Skibinski
730*01826a49SYabin CuiNew : Ability to compile compressor / decompressor separately
731*01826a49SYabin CuiChanged : new lib directory structure
732*01826a49SYabin CuiFixed : Legacy codec v0.5 compatible with dictionary decompression
733*01826a49SYabin CuiFixed : Decoder corruption error (#173)
734*01826a49SYabin CuiFixed : null-string roundtrip (#176)
735*01826a49SYabin CuiNew : benchmark mode can select directory as input
736*01826a49SYabin CuiExperimental : midipix support, VMS support
737*01826a49SYabin Cui
738*01826a49SYabin Cuiv0.6.0  (Apr 13, 2016)
739*01826a49SYabin CuiStronger high compression modes, thanks to Przemyslaw Skibinski
740*01826a49SYabin CuiAPI : ZSTD_getFrameParams() provides size of decompressed content
741*01826a49SYabin CuiNew : highest compression modes require `--ultra` command to fully unleash their capacity
742*01826a49SYabin CuiFixed : zstd cli return error code > 0 and removes dst file artifact when decompression fails, thanks to Chip Turner
743*01826a49SYabin Cui
744*01826a49SYabin Cuiv0.5.1  (Feb 18, 2016)
745*01826a49SYabin CuiNew : Optimal parsing => Very high compression modes, thanks to Przemyslaw Skibinski
746*01826a49SYabin CuiChanged : Dictionary builder integrated into libzstd and zstd cli
747*01826a49SYabin CuiChanged (!) : zstd cli now uses "multiple input files" as default mode. See `zstd -h`.
748*01826a49SYabin CuiFix : high compression modes for big-endian platforms
749*01826a49SYabin CuiNew : zstd cli : `-t` | `--test` command
750*01826a49SYabin Cui
751*01826a49SYabin Cuiv0.5.0  (Feb 5, 2016)
752*01826a49SYabin CuiNew : dictionary builder utility
753*01826a49SYabin CuiChanged : streaming & dictionary API
754*01826a49SYabin CuiImproved : better compression of small data
755*01826a49SYabin Cui
756*01826a49SYabin Cuiv0.4.7  (Jan 22, 2016)
757*01826a49SYabin CuiImproved : small compression speed improvement in HC mode
758*01826a49SYabin CuiChanged : `zstd_decompress.c` has ZSTD_LEGACY_SUPPORT to 0 by default
759*01826a49SYabin Cuifix : bt search bug
760*01826a49SYabin Cui
761*01826a49SYabin Cuiv0.4.6  (Jan 13, 2016)
762*01826a49SYabin Cuifix : fast compression mode on Windows
763*01826a49SYabin CuiNew : cmake configuration file, thanks to Artyom Dymchenko
764*01826a49SYabin CuiImproved : high compression mode on repetitive data
765*01826a49SYabin CuiNew : block-level API
766*01826a49SYabin CuiNew : ZSTD_duplicateCCtx()
767*01826a49SYabin Cui
768*01826a49SYabin Cuiv0.4.5  (Dec 18, 2015)
769*01826a49SYabin Cuinew : -m/--multiple : compress/decompress multiple files
770*01826a49SYabin Cui
771*01826a49SYabin Cuiv0.4.4  (Dec 14, 2015)
772*01826a49SYabin CuiFixed : high compression modes for Windows 32 bits
773*01826a49SYabin Cuinew : external dictionary API extended to buffered mode and accessible through command line
774*01826a49SYabin Cuinew : windows DLL project, thanks to Christophe Chevalier
775*01826a49SYabin Cui
776*01826a49SYabin Cuiv0.4.3  (Dec 7, 2015)
777*01826a49SYabin Cuinew : external dictionary API
778*01826a49SYabin Cuinew : zstd-frugal
779*01826a49SYabin Cui
780*01826a49SYabin Cuiv0.4.2  (Dec 2, 2015)
781*01826a49SYabin CuiGeneric minor improvements for small blocks
782*01826a49SYabin CuiFixed : big-endian compatibility, by Peter Harris (#85)
783*01826a49SYabin Cui
784*01826a49SYabin Cuiv0.4.1  (Dec 1, 2015)
785*01826a49SYabin CuiFixed : ZSTD_LEGACY_SUPPORT=0 build mode (reported by Luben)
786*01826a49SYabin Cuiremoved `zstd.c`
787*01826a49SYabin Cui
788*01826a49SYabin Cuiv0.4.0  (Nov 29, 2015)
789*01826a49SYabin CuiCommand line utility compatible with high compression levels
790*01826a49SYabin CuiRemoved zstdhc => merged into zstd
791*01826a49SYabin CuiAdded : ZBUFF API (see zstd_buffered.h)
792*01826a49SYabin CuiRolling buffer support
793*01826a49SYabin Cui
794*01826a49SYabin Cuiv0.3.6  (Nov 10, 2015)
795*01826a49SYabin Cuismall blocks params
796*01826a49SYabin Cui
797*01826a49SYabin Cuiv0.3.5  (Nov 9, 2015)
798*01826a49SYabin Cuiminor generic compression improvements
799*01826a49SYabin Cui
800*01826a49SYabin Cuiv0.3.4  (Nov 6, 2015)
801*01826a49SYabin CuiFaster fast cLevels
802*01826a49SYabin Cui
803*01826a49SYabin Cuiv0.3.3  (Nov 5, 2015)
804*01826a49SYabin CuiSmall compression ratio improvement
805*01826a49SYabin Cui
806*01826a49SYabin Cuiv0.3.2  (Nov 2, 2015)
807*01826a49SYabin CuiFixed Visual Studio
808*01826a49SYabin Cui
809*01826a49SYabin Cuiv0.3.1  (Nov 2, 2015)
810*01826a49SYabin CuiSmall compression ratio improvement
811*01826a49SYabin Cui
812*01826a49SYabin Cuiv0.3  (Oct 30, 2015)
813*01826a49SYabin CuiHC mode : compression levels 2-26
814*01826a49SYabin Cui
815*01826a49SYabin Cuiv0.2.2  (Oct 28, 2015)
816*01826a49SYabin CuiFix : Visual Studio 2013 & 2015 release compilation, by Christophe Chevalier
817*01826a49SYabin Cui
818*01826a49SYabin Cuiv0.2.1  (Oct 24, 2015)
819*01826a49SYabin CuiFix : Read errors, advanced fuzzer tests, by Hanno Böck
820*01826a49SYabin Cui
821*01826a49SYabin Cuiv0.2.0  (Oct 22, 2015)
822*01826a49SYabin Cui**Breaking format change**
823*01826a49SYabin CuiFaster decompression speed
824*01826a49SYabin CuiCan still decode v0.1 format
825*01826a49SYabin Cui
826*01826a49SYabin Cuiv0.1.3  (Oct 15, 2015)
827*01826a49SYabin Cuifix uninitialization warning, reported by Evan Nemerson
828*01826a49SYabin Cui
829*01826a49SYabin Cuiv0.1.2  (Sep 11, 2015)
830*01826a49SYabin Cuiframe concatenation support
831*01826a49SYabin Cui
832*01826a49SYabin Cuiv0.1.1  (Aug 27, 2015)
833*01826a49SYabin Cuifix compression bug
834*01826a49SYabin Cuidetects write-flush errors
835*01826a49SYabin Cui
836*01826a49SYabin Cuiv0.1.0  (Aug 25, 2015)
837*01826a49SYabin Cuifirst release
838