4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncHISTORY of the LZMA SDK
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync-----------------------
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync4.65 2009-02-03
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync-------------------------
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync- Some minor fixes
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync4.63 2008-12-31
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync-------------------------
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync- Some minor fixes
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync4.61 beta 2008-11-23
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync-------------------------
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync- The bug in ANSI-C LZMA Decoder was fixed:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync If encoded stream was corrupted, decoder could access memory
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync outside of allocated range.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync- Some changes in ANSI-C 7z Decoder interfaces.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync- LZMA SDK is placed in the public domain.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync4.60 beta 2008-08-19
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync-------------------------
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync- Some minor fixes.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync4.59 beta 2008-08-13
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync-------------------------
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync- The bug was fixed:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync LZMA Encoder in fast compression mode could access memory outside of
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync allocated range in some rare cases.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync4.58 beta 2008-05-05
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync-------------------------
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync- ANSI-C LZMA Decoder was rewritten for speed optimizations.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync- ANSI-C LZMA Encoder was included to LZMA SDK.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync- C++ LZMA code now is just wrapper over ANSI-C code.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync4.57 2007-12-12
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync-------------------------
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync- Speed optimizations in �++ LZMA Decoder.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync- Small changes for more compatibility with some C/C++ compilers.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync4.49 beta 2007-07-05
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync-------------------------
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync- .7z ANSI-C Decoder:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync - now it supports BCJ and BCJ2 filters
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync - now it supports files larger than 4 GB.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync - now it supports "Last Write Time" field for files.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync- C++ code for .7z archives compressing/decompressing from 7-zip
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync was included to LZMA SDK.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync4.43 2006-06-04
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync-------------------------
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync- Small changes for more compatibility with some C/C++ compilers.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync4.42 2006-05-15
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync-------------------------
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync- Small changes in .h files in ANSI-C version.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync4.39 beta 2006-04-14
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync-------------------------
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync- The bug in versions 4.33b:4.38b was fixed:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync C++ version of LZMA encoder could not correctly compress
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync files larger than 2 GB with HC4 match finder (-mfhc4).
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync4.37 beta 2005-04-06
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync-------------------------
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync- Fixes in C++ code: code could no be compiled if _NO_EXCEPTIONS was defined.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync4.35 beta 2005-03-02
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync-------------------------
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync- The bug was fixed in C++ version of LZMA Decoder:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync If encoded stream was corrupted, decoder could access memory
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync outside of allocated range.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync4.34 beta 2006-02-27
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync-------------------------
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync- Compressing speed and memory requirements for compressing were increased
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync- LZMA now can use only these match finders: HC4, BT2, BT3, BT4
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync4.32 2005-12-09
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync-------------------------
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync- Java version of LZMA SDK was included
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync4.30 2005-11-20
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync-------------------------
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync- Compression ratio was improved in -a2 mode
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync- Speed optimizations for compressing in -a2 mode
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync- -fb switch now supports values up to 273
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync- The bug in 7z_C (7zIn.c) was fixed:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync It used Alloc/Free functions from different memory pools.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync So if program used two memory pools, it worked incorrectly.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync- 7z_C: .7z format supporting was improved
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync- LZMA# SDK (C#.NET version) was included
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync4.27 (Updated) 2005-09-21
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync-------------------------
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync- Some GUIDs/interfaces in C++ were changed.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync ISequentialInStream::Read now works as old ReadPart
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync ISequentialOutStream::Write now works as old WritePart
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync4.27 2005-08-07
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync-------------------------
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync- The bug in LzmaDecodeSize.c was fixed:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if _LZMA_IN_CB and _LZMA_OUT_READ were defined,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync decompressing worked incorrectly.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync4.26 2005-08-05
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync-------------------------
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync- Fixes in 7z_C code and LzmaTest.c:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync previous versions could work incorrectly,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if malloc(0) returns 0
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync4.23 2005-06-29
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync-------------------------
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync- Small fixes in C++ code
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync4.22 2005-06-10
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync-------------------------
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync- Small fixes
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync4.21 2005-06-08
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync-------------------------
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync- Interfaces for ANSI-C LZMA Decoder (LzmaDecode.c) were changed
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync- New additional version of ANSI-C LZMA Decoder with zlib-like interface:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync- ANSI-C LZMA Decoder now can decompress files larger than 4 GB
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync4.17 2005-04-18
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync-------------------------
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync- New example for RAM->RAM compressing/decompressing:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync LZMA + BCJ (filter for x86 code):
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync - -f86 switch for lzma.exe
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync4.16 2005-03-29
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync-------------------------
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync- The bug was fixed in LzmaDecode.c (ANSI-C LZMA Decoder):
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync If _LZMA_OUT_READ was defined, and if encoded stream was corrupted,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync decoder could access memory outside of allocated range.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync- Speed optimization of ANSI-C LZMA Decoder (now it's about 20% faster).
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Old version of LZMA Decoder now is in file LzmaDecodeSize.c.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync LzmaDecodeSize.c can provide slightly smaller code than LzmaDecode.c
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync- Small speed optimization in LZMA C++ code
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync- filter for SPARC's code was added
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync- Simplified version of .7z ANSI-C Decoder was included
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync4.06 2004-09-05
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync-------------------------
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync- The bug in v4.05 was fixed:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync LZMA-Encoder didn't release output stream in some cases.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync4.05 2004-08-25
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync-------------------------
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync- Source code of filters for x86, IA-64, ARM, ARM-Thumb
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync and PowerPC code was included to SDK
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync- Some internal minor changes
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync4.04 2004-07-28
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync-------------------------
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync- More compatibility with some C++ compilers
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync4.03 2004-06-18
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync-------------------------
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync- "Benchmark" command was added. It measures compressing
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync and decompressing speed and shows rating values.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Also it checks hardware errors.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync4.02 2004-06-10
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync-------------------------
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync- C++ LZMA Encoder/Decoder code now is more portable
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync and it can be compiled by GCC on Linux.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync4.01 2004-02-15
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync-------------------------
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync- Some detection of data corruption was enabled.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync LzmaDecode.c / RangeDecoderReadByte
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync rd->ExtraBytes = 1;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return 0xFF;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync4.00 2004-02-13
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync-------------------------
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync- Original version of LZMA SDK
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncHISTORY of the LZMA
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync-------------------
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync 2001-2008: Improvements to LZMA compressing/decompressing code,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync keeping compatibility with original LZMA format
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync 1996-2001: Development of LZMA compression format
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Some milestones:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync 2001-08-30: LZMA compression was added to 7-Zip
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync 1999-01-02: First version of 7-Zip was released
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncEnd of document