repo sync | baa3858 | 2013-07-26 17:53:31 -0700 | [diff] [blame] | 1 | HISTORY of the LZMA SDK
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| 2 | -----------------------
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| 3 |
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| 4 | 9.18 beta 2010-11-02
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| 5 | -------------------------
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| 6 | - New small SFX module for installers (SfxSetup).
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| 7 |
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| 8 |
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| 9 | 9.12 beta 2010-03-24
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| 10 | -------------------------
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| 11 | - The BUG in LZMA SDK 9.* was fixed: LZMA2 codec didn't work,
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| 12 | if more than 10 threads were used (or more than 20 threads in some modes).
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| 13 |
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| 14 |
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| 15 | 9.11 beta 2010-03-15
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| 16 | -------------------------
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| 17 | - PPMd compression method support
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| 18 |
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| 19 |
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| 20 | 9.09 2009-12-12
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| 21 | -------------------------
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| 22 | - The bug was fixed:
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| 23 | Utf16_To_Utf8 funstions in UTFConvert.cpp and 7zMain.c
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| 24 | incorrectly converted surrogate characters (the code >= 0x10000) to UTF-8.
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| 25 | - Some bugs were fixed
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| 26 |
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| 27 |
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| 28 | 9.06 2009-08-17
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| 29 | -------------------------
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| 30 | - Some changes in ANSI-C 7z Decoder interfaces.
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| 31 |
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| 32 |
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| 33 | 9.04 2009-05-30
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| 34 | -------------------------
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| 35 | - LZMA2 compression method support
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| 36 | - xz format support
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| 37 |
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| 38 |
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| 39 | 4.65 2009-02-03
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| 40 | -------------------------
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| 41 | - Some minor fixes
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| 42 |
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| 43 |
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| 44 | 4.63 2008-12-31
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| 45 | -------------------------
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| 46 | - Some minor fixes
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| 47 |
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| 48 |
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| 49 | 4.61 beta 2008-11-23
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| 50 | -------------------------
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| 51 | - The bug in ANSI-C LZMA Decoder was fixed:
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| 52 | If encoded stream was corrupted, decoder could access memory
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| 53 | outside of allocated range.
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| 54 | - Some changes in ANSI-C 7z Decoder interfaces.
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| 55 | - LZMA SDK is placed in the public domain.
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| 56 |
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| 57 |
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| 58 | 4.60 beta 2008-08-19
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| 59 | -------------------------
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| 60 | - Some minor fixes.
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| 61 |
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| 62 |
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| 63 | 4.59 beta 2008-08-13
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| 64 | -------------------------
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| 65 | - The bug was fixed:
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| 66 | LZMA Encoder in fast compression mode could access memory outside of
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| 67 | allocated range in some rare cases.
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| 68 |
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| 69 |
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| 70 | 4.58 beta 2008-05-05
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| 71 | -------------------------
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| 72 | - ANSI-C LZMA Decoder was rewritten for speed optimizations.
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| 73 | - ANSI-C LZMA Encoder was included to LZMA SDK.
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| 74 | - C++ LZMA code now is just wrapper over ANSI-C code.
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| 75 |
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| 76 |
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| 77 | 4.57 2007-12-12
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| 78 | -------------------------
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| 79 | - Speed optimizations in Ñ++ LZMA Decoder.
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| 80 | - Small changes for more compatibility with some C/C++ compilers.
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| 81 |
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| 82 |
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| 83 | 4.49 beta 2007-07-05
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| 84 | -------------------------
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| 85 | - .7z ANSI-C Decoder:
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| 86 | - now it supports BCJ and BCJ2 filters
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| 87 | - now it supports files larger than 4 GB.
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| 88 | - now it supports "Last Write Time" field for files.
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| 89 | - C++ code for .7z archives compressing/decompressing from 7-zip
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| 90 | was included to LZMA SDK.
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| 91 |
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| 92 |
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| 93 | 4.43 2006-06-04
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| 94 | -------------------------
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| 95 | - Small changes for more compatibility with some C/C++ compilers.
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| 96 |
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| 97 |
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| 98 | 4.42 2006-05-15
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| 99 | -------------------------
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| 100 | - Small changes in .h files in ANSI-C version.
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| 101 |
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| 102 |
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| 103 | 4.39 beta 2006-04-14
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| 104 | -------------------------
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| 105 | - The bug in versions 4.33b:4.38b was fixed:
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| 106 | C++ version of LZMA encoder could not correctly compress
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| 107 | files larger than 2 GB with HC4 match finder (-mfhc4).
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| 108 |
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| 109 |
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| 110 | 4.37 beta 2005-04-06
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| 111 | -------------------------
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| 112 | - Fixes in C++ code: code could no be compiled if _NO_EXCEPTIONS was defined.
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| 113 |
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| 114 |
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| 115 | 4.35 beta 2005-03-02
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| 116 | -------------------------
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| 117 | - The bug was fixed in C++ version of LZMA Decoder:
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| 118 | If encoded stream was corrupted, decoder could access memory
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| 119 | outside of allocated range.
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| 120 |
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| 121 |
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| 122 | 4.34 beta 2006-02-27
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| 123 | -------------------------
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| 124 | - Compressing speed and memory requirements for compressing were increased
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| 125 | - LZMA now can use only these match finders: HC4, BT2, BT3, BT4
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| 126 |
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| 127 |
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| 128 | 4.32 2005-12-09
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| 129 | -------------------------
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| 130 | - Java version of LZMA SDK was included
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| 131 |
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| 132 |
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| 133 | 4.30 2005-11-20
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| 134 | -------------------------
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| 135 | - Compression ratio was improved in -a2 mode
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| 136 | - Speed optimizations for compressing in -a2 mode
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| 137 | - -fb switch now supports values up to 273
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| 138 | - The bug in 7z_C (7zIn.c) was fixed:
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| 139 | It used Alloc/Free functions from different memory pools.
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| 140 | So if program used two memory pools, it worked incorrectly.
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| 141 | - 7z_C: .7z format supporting was improved
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| 142 | - LZMA# SDK (C#.NET version) was included
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| 143 |
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| 144 |
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| 145 | 4.27 (Updated) 2005-09-21
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| 146 | -------------------------
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| 147 | - Some GUIDs/interfaces in C++ were changed.
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| 148 | IStream.h:
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| 149 | ISequentialInStream::Read now works as old ReadPart
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| 150 | ISequentialOutStream::Write now works as old WritePart
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| 151 |
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| 152 |
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| 153 | 4.27 2005-08-07
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| 154 | -------------------------
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| 155 | - The bug in LzmaDecodeSize.c was fixed:
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| 156 | if _LZMA_IN_CB and _LZMA_OUT_READ were defined,
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| 157 | decompressing worked incorrectly.
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| 158 |
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| 159 |
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| 160 | 4.26 2005-08-05
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| 161 | -------------------------
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| 162 | - Fixes in 7z_C code and LzmaTest.c:
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| 163 | previous versions could work incorrectly,
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| 164 | if malloc(0) returns 0
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| 165 |
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| 166 |
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| 167 | 4.23 2005-06-29
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| 168 | -------------------------
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| 169 | - Small fixes in C++ code
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| 170 |
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| 171 |
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| 172 | 4.22 2005-06-10
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| 173 | -------------------------
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| 174 | - Small fixes
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| 175 |
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| 176 |
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| 177 | 4.21 2005-06-08
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| 178 | -------------------------
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| 179 | - Interfaces for ANSI-C LZMA Decoder (LzmaDecode.c) were changed
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| 180 | - New additional version of ANSI-C LZMA Decoder with zlib-like interface:
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| 181 | - LzmaStateDecode.h
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| 182 | - LzmaStateDecode.c
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| 183 | - LzmaStateTest.c
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| 184 | - ANSI-C LZMA Decoder now can decompress files larger than 4 GB
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| 185 |
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| 186 |
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| 187 | 4.17 2005-04-18
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| 188 | -------------------------
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| 189 | - New example for RAM->RAM compressing/decompressing:
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| 190 | LZMA + BCJ (filter for x86 code):
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| 191 | - LzmaRam.h
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| 192 | - LzmaRam.cpp
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| 193 | - LzmaRamDecode.h
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| 194 | - LzmaRamDecode.c
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| 195 | - -f86 switch for lzma.exe
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| 196 |
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| 197 |
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| 198 | 4.16 2005-03-29
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| 199 | -------------------------
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| 200 | - The bug was fixed in LzmaDecode.c (ANSI-C LZMA Decoder):
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| 201 | If _LZMA_OUT_READ was defined, and if encoded stream was corrupted,
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| 202 | decoder could access memory outside of allocated range.
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| 203 | - Speed optimization of ANSI-C LZMA Decoder (now it's about 20% faster).
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| 204 | Old version of LZMA Decoder now is in file LzmaDecodeSize.c.
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| 205 | LzmaDecodeSize.c can provide slightly smaller code than LzmaDecode.c
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| 206 | - Small speed optimization in LZMA C++ code
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| 207 | - filter for SPARC's code was added
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| 208 | - Simplified version of .7z ANSI-C Decoder was included
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| 209 |
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| 210 |
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| 211 | 4.06 2004-09-05
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| 212 | -------------------------
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| 213 | - The bug in v4.05 was fixed:
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| 214 | LZMA-Encoder didn't release output stream in some cases.
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| 215 |
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| 216 |
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| 217 | 4.05 2004-08-25
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| 218 | -------------------------
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| 219 | - Source code of filters for x86, IA-64, ARM, ARM-Thumb
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| 220 | and PowerPC code was included to SDK
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| 221 | - Some internal minor changes
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| 222 |
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| 223 |
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| 224 | 4.04 2004-07-28
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| 225 | -------------------------
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| 226 | - More compatibility with some C++ compilers
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| 227 |
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| 228 |
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| 229 | 4.03 2004-06-18
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| 230 | -------------------------
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| 231 | - "Benchmark" command was added. It measures compressing
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| 232 | and decompressing speed and shows rating values.
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| 233 | Also it checks hardware errors.
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| 234 |
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| 235 |
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| 236 | 4.02 2004-06-10
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| 237 | -------------------------
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| 238 | - C++ LZMA Encoder/Decoder code now is more portable
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| 239 | and it can be compiled by GCC on Linux.
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| 240 |
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| 241 |
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| 242 | 4.01 2004-02-15
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| 243 | -------------------------
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| 244 | - Some detection of data corruption was enabled.
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| 245 | LzmaDecode.c / RangeDecoderReadByte
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| 246 | .....
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| 247 | {
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| 248 | rd->ExtraBytes = 1;
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| 249 | return 0xFF;
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| 250 | }
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| 251 |
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| 252 |
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| 253 | 4.00 2004-02-13
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| 254 | -------------------------
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| 255 | - Original version of LZMA SDK
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| 256 |
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| 257 |
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| 258 |
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| 259 | HISTORY of the LZMA
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| 260 | -------------------
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| 261 | 2001-2008: Improvements to LZMA compressing/decompressing code,
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| 262 | keeping compatibility with original LZMA format
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| 263 | 1996-2001: Development of LZMA compression format
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| 264 |
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| 265 | Some milestones:
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| 266 |
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| 267 | 2001-08-30: LZMA compression was added to 7-Zip
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| 268 | 1999-01-02: First version of 7-Zip was released
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| 269 |
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| 270 |
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| 271 | End of document
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