\r
18.05 2018-04-30\r
-------------------------\r
-- The speed for LZMA/LZMA2 compressing was increased \r
- by 8% for fastest/fast compression levels and \r
+- The speed for LZMA/LZMA2 compressing was increased\r
+ by 8% for fastest/fast compression levels and\r
by 3% for normal/maximum compression levels.\r
- Previous versions of 7-Zip could work incorrectly in "Large memory pages" mode in\r
- Windows 10 because of some BUG with "Large Pages" in Windows 10. \r
+ Windows 10 because of some BUG with "Large Pages" in Windows 10.\r
Now 7-Zip doesn't use "Large Pages" on Windows 10 up to revision 1709 (16299).\r
- The BUG was fixed in Lzma2Enc.c\r
Lzma2Enc_Encode2() function worked incorretly,\r
\r
18.03 beta 2018-03-04\r
-------------------------\r
-- Asm\x86\LzmaDecOpt.asm: new optimized LZMA decoder written in asm \r
+- Asm\x86\LzmaDecOpt.asm: new optimized LZMA decoder written in asm\r
for x64 with about 30% higher speed than main version of LZMA decoder written in C.\r
- The speed for single-thread LZMA/LZMA2 decoder written in C was increased by 3%.\r
- 7-Zip now can use multi-threading for 7z/LZMA2 decoding,\r
18.00 beta 2019-01-10\r
-------------------------\r
- The BUG in xz encoder was fixed:\r
- There was memory leak of 16 KB for each file compressed with \r
+ There was memory leak of 16 KB for each file compressed with\r
xz compression method, if additional filter was used.\r
\r
\r
- Minor speed optimization for LZMA2 (xz and 7z) multi-threading compression.\r
7-Zip now uses additional memory buffers for multi-block LZMA2 compression.\r
CPU utilization was slightly improved.\r
-- 7-zip now creates multi-block xz archives by default. Block size can be \r
+- 7-zip now creates multi-block xz archives by default. Block size can be\r
specified with -ms[Size]{m|g} switch.\r
- xz decoder now can unpack random block from multi-block xz archives.\r
- 7-Zip command line: @listfile now doesn't work after -- switch.\r
\r
17.00 beta 2017-04-29\r
-------------------------\r
-- NewHandler.h / NewHandler.cpp: \r
+- NewHandler.h / NewHandler.cpp:\r
now it redefines operator new() only for old MSVC compilers (_MSC_VER < 1900).\r
- C/7zTypes.h : the names of variables in interface structures were changed (vt).\r
- Some bugs were fixed. 7-Zip could crash in some cases.\r
16.02 2016-05-21\r
-------------------------\r
- The BUG in 16.00 - 16.01 was fixed:\r
- Split Handler (SplitHandler.cpp) returned incorrect \r
+ Split Handler (SplitHandler.cpp) returned incorrect\r
total size value (kpidSize) for split archives.\r
\r
\r
16.01 2016-05-19\r
-------------------------- \r
+-------------------------\r
- Some internal changes to reduce the number of compiler warnings.\r
\r
\r
16.00 2016-05-10\r
-------------------------- \r
+-------------------------\r
- Some bugs were fixed.\r
\r
\r
15.12 2015-11-19\r
-------------------------- \r
+-------------------------\r
- The BUG in C version of 7z decoder was fixed:\r
7zDec.c : SzDecodeLzma2()\r
7z decoder could mistakenly report about decoding error for some 7z archives\r
that use LZMA2 compression method.\r
- The probability to get that mistaken decoding error report was about \r
- one error per 16384 solid blocks for solid blocks larger than 16 KB (compressed size). \r
+ The probability to get that mistaken decoding error report was about\r
+ one error per 16384 solid blocks for solid blocks larger than 16 KB (compressed size).\r
- The BUG (in 9.26-15.11) in C version of 7z decoder was fixed:\r
7zArcIn.c : SzReadHeader2()\r
- 7z decoder worked incorrectly for 7z archives that contain \r
- empty solid blocks, that can be placed to 7z archive, if some file is \r
+ 7z decoder worked incorrectly for 7z archives that contain\r
+ empty solid blocks, that can be placed to 7z archive, if some file is\r
unavailable for reading during archive creation.\r
\r
\r
15.09 beta 2015-10-16\r
-------------------------- \r
+-------------------------\r
- The BUG in LZMA / LZMA2 encoding code was fixed.\r
The BUG in LzFind.c::MatchFinder_ReadBlock() function.\r
If input data size is larger than (4 GiB - dictionary_size),\r
the following code worked incorrectly:\r
- - LZMA : LzmaEnc_MemEncode(), LzmaEncode() : LZMA encoding functions \r
- for compressing from memory to memory. \r
+ - LZMA : LzmaEnc_MemEncode(), LzmaEncode() : LZMA encoding functions\r
+ for compressing from memory to memory.\r
That BUG is not related to LZMA encoder version that works via streams.\r
- - LZMA2 : multi-threaded version of LZMA2 encoder worked incorrectly, if \r
- default value of chunk size (CLzma2EncProps::blockSize) is changed \r
+ - LZMA2 : multi-threaded version of LZMA2 encoder worked incorrectly, if\r
+ default value of chunk size (CLzma2EncProps::blockSize) is changed\r
to value larger than (4 GiB - dictionary_size).\r
\r
\r
9.38 beta 2015-01-03\r
-------------------------- \r
+-------------------------\r
- The BUG in 9.31-9.37 was fixed:\r
IArchiveGetRawProps interface was disabled for 7z archives.\r
- The BUG in 9.26-9.36 was fixed:\r
\r
\r
9.36 beta 2014-12-26\r
-------------------------- \r
+-------------------------\r
- The BUG in command line version was fixed:\r
7-Zip created temporary archive in current folder during update archive\r
- operation, if -w{Path} switch was not specified. \r
+ operation, if -w{Path} switch was not specified.\r
The fixed 7-Zip creates temporary archive in folder that contains updated archive.\r
- The BUG in 9.33-9.35 was fixed:\r
7-Zip silently ignored file reading errors during 7z or gz archive creation,\r
\r
\r
9.35 beta 2014-12-07\r
-------------------------- \r
+-------------------------\r
- 7zr.exe now support AES encryption.\r
- SFX mudules were added to LZMA SDK\r
- Some bugs were fixed.\r
\r
\r
9.21 beta 2011-04-11\r
-------------------------- \r
+-------------------------\r
- New class FString for file names at file systems.\r
- Speed optimization in CRC code for big-endian CPUs.\r
- The BUG in Lzma2Dec.c was fixed:\r
\r
\r
9.18 beta 2010-11-02\r
-------------------------- \r
+-------------------------\r
- New small SFX module for installers (SfxSetup).\r
\r
\r
9.11 beta 2010-03-15\r
-------------------------\r
- PPMd compression method support\r
- \r
+\r
\r
9.09 2009-12-12\r
-------------------------\r
4.61 beta 2008-11-23\r
-------------------------\r
- The bug in ANSI-C LZMA Decoder was fixed:\r
- If encoded stream was corrupted, decoder could access memory \r
+ If encoded stream was corrupted, decoder could access memory\r
outside of allocated range.\r
- Some changes in ANSI-C 7z Decoder interfaces.\r
- LZMA SDK is placed in the public domain.\r
4.59 beta 2008-08-13\r
-------------------------\r
- The bug was fixed:\r
- LZMA Encoder in fast compression mode could access memory outside of \r
+ LZMA Encoder in fast compression mode could access memory outside of\r
allocated range in some rare cases.\r
\r
\r
\r
4.57 2007-12-12\r
-------------------------\r
-- Speed optimizations in ?++ LZMA Decoder. \r
+- Speed optimizations in ?++ LZMA Decoder.\r
- Small changes for more compatibility with some C/C++ compilers.\r
\r
\r
- now it supports BCJ and BCJ2 filters\r
- now it supports files larger than 4 GB.\r
- now it supports "Last Write Time" field for files.\r
-- C++ code for .7z archives compressing/decompressing from 7-zip \r
+- C++ code for .7z archives compressing/decompressing from 7-zip\r
was included to LZMA SDK.\r
- \r
+\r
\r
4.43 2006-06-04\r
-------------------------\r
- Small changes for more compatibility with some C/C++ compilers.\r
- \r
+\r
\r
4.42 2006-05-15\r
-------------------------\r
- Small changes in .h files in ANSI-C version.\r
- \r
+\r
\r
4.39 beta 2006-04-14\r
-------------------------\r
- The bug in versions 4.33b:4.38b was fixed:\r
- C++ version of LZMA encoder could not correctly compress \r
+ C++ version of LZMA encoder could not correctly compress\r
files larger than 2 GB with HC4 match finder (-mfhc4).\r
- \r
+\r
\r
4.37 beta 2005-04-06\r
-------------------------\r
-- Fixes in C++ code: code could no be compiled if _NO_EXCEPTIONS was defined. \r
+- Fixes in C++ code: code could no be compiled if _NO_EXCEPTIONS was defined.\r
\r
\r
4.35 beta 2005-03-02\r
-------------------------\r
- The bug was fixed in C++ version of LZMA Decoder:\r
- If encoded stream was corrupted, decoder could access memory \r
+ If encoded stream was corrupted, decoder could access memory\r
outside of allocated range.\r
\r
\r
\r
4.17 2005-04-18\r
-------------------------\r
-- New example for RAM->RAM compressing/decompressing: \r
+- New example for RAM->RAM compressing/decompressing:\r
LZMA + BCJ (filter for x86 code):\r
- LzmaRam.h\r
- LzmaRam.cpp\r
\r
4.16 2005-03-29\r
-------------------------\r
-- The bug was fixed in LzmaDecode.c (ANSI-C LZMA Decoder): \r
+- The bug was fixed in LzmaDecode.c (ANSI-C LZMA Decoder):\r
If _LZMA_OUT_READ was defined, and if encoded stream was corrupted,\r
decoder could access memory outside of allocated range.\r
- Speed optimization of ANSI-C LZMA Decoder (now it's about 20% faster).\r
- Old version of LZMA Decoder now is in file LzmaDecodeSize.c. \r
+ Old version of LZMA Decoder now is in file LzmaDecodeSize.c.\r
LzmaDecodeSize.c can provide slightly smaller code than LzmaDecode.c\r
- Small speed optimization in LZMA C++ code\r
- filter for SPARC's code was added\r
\r
4.05 2004-08-25\r
-------------------------\r
-- Source code of filters for x86, IA-64, ARM, ARM-Thumb \r
+- Source code of filters for x86, IA-64, ARM, ARM-Thumb\r
and PowerPC code was included to SDK\r
- Some internal minor changes\r
\r
\r
4.03 2004-06-18\r
-------------------------\r
-- "Benchmark" command was added. It measures compressing \r
- and decompressing speed and shows rating values. \r
+- "Benchmark" command was added. It measures compressing\r
+ and decompressing speed and shows rating values.\r
Also it checks hardware errors.\r
\r
\r
\r
HISTORY of the LZMA\r
-------------------\r
- 2001-2008: Improvements to LZMA compressing/decompressing code, \r
+ 2001-2008: Improvements to LZMA compressing/decompressing code,\r
keeping compatibility with original LZMA format\r
1996-2001: Development of LZMA compression format\r
\r
\r
2001-08-30: LZMA compression was added to 7-Zip\r
1999-01-02: First version of 7-Zip was released\r
- \r
+\r
\r
End of document\r
projects / mirror_edk2.git / blobdiff