1 HISTORY of the LZMA SDK 2 ----------------------- 3 4 9.38 beta 2015-01-03 5 ------------------------- 6 - The BUG in 9.30-9.37 was fixed: 7 IArchiveGetRawProps interface was disabled for 7z archives. 8 - The BUG in 9.26-9.36 was fixed: 9 Some code in CPP\7zip\Archive\7z\ worked correctly only under Windows. 10 11 12 9.36 beta 2014-12-26 13 ------------------------- 14 - The BUG in command line version was fixed: 15 7-Zip created temporary archive in current folder during update archive 16 operation, if -w{Path} switch was not specified. 17 The fixed 7-Zip creates temporary archive in folder that contains updated archive. 18 - The BUG in 9.33-9.35 was fixed: 19 7-Zip silently ignored file reading errors during 7z or gz archive creation, 20 and the created archive contained only part of file that was read before error. 21 The fixed 7-Zip stops archive creation and it reports about error. 22 23 24 9.35 beta 2014-12-07 25 ------------------------- 26 - 7zr.exe now support AES encryption. 27 - SFX mudules were added to LZMA SDK 28 - Some bugs were fixed. 29 30 31 9.21 beta 2011-04-11 32 ------------------------- 33 - New class FString for file names at file systems. 34 - Speed optimization in CRC code for big-endian CPUs. 35 - The BUG in Lzma2Dec.c was fixed: 36 Lzma2Decode function didn't work. 37 38 39 9.18 beta 2010-11-02 40 ------------------------- 41 - New small SFX module for installers (SfxSetup). 42 43 44 9.12 beta 2010-03-24 45 ------------------------- 46 - The BUG in LZMA SDK 9.* was fixed: LZMA2 codec didn't work, 47 if more than 10 threads were used (or more than 20 threads in some modes). 48 49 50 9.11 beta 2010-03-15 51 ------------------------- 52 - PPMd compression method support 53 54 55 9.09 2009-12-12 56 ------------------------- 57 - The bug was fixed: 58 Utf16_To_Utf8 funstions in UTFConvert.cpp and 7zMain.c 59 incorrectly converted surrogate characters (the code >= 0x10000) to UTF-8. 60 - Some bugs were fixed 61 62 63 9.06 2009-08-17 64 ------------------------- 65 - Some changes in ANSI-C 7z Decoder interfaces. 66 67 68 9.04 2009-05-30 69 ------------------------- 70 - LZMA2 compression method support 71 - xz format support 72 73 74 4.65 2009-02-03 75 ------------------------- 76 - Some minor fixes 77 78 79 4.63 2008-12-31 80 ------------------------- 81 - Some minor fixes 82 83 84 4.61 beta 2008-11-23 85 ------------------------- 86 - The bug in ANSI-C LZMA Decoder was fixed: 87 If encoded stream was corrupted, decoder could access memory 88 outside of allocated range. 89 - Some changes in ANSI-C 7z Decoder interfaces. 90 - LZMA SDK is placed in the public domain. 91 92 93 4.60 beta 2008-08-19 94 ------------------------- 95 - Some minor fixes. 96 97 98 4.59 beta 2008-08-13 99 ------------------------- 100 - The bug was fixed: 101 LZMA Encoder in fast compression mode could access memory outside of 102 allocated range in some rare cases. 103 104 105 4.58 beta 2008-05-05 106 ------------------------- 107 - ANSI-C LZMA Decoder was rewritten for speed optimizations. 108 - ANSI-C LZMA Encoder was included to LZMA SDK. 109 - C++ LZMA code now is just wrapper over ANSI-C code. 110 111 112 4.57 2007-12-12 113 ------------------------- 114 - Speed optimizations in ++ LZMA Decoder. 115 - Small changes for more compatibility with some C/C++ compilers. 116 117 118 4.49 beta 2007-07-05 119 ------------------------- 120 - .7z ANSI-C Decoder: 121 - now it supports BCJ and BCJ2 filters 122 - now it supports files larger than 4 GB. 123 - now it supports "Last Write Time" field for files. 124 - C++ code for .7z archives compressing/decompressing from 7-zip 125 was included to LZMA SDK. 126 127 128 4.43 2006-06-04 129 ------------------------- 130 - Small changes for more compatibility with some C/C++ compilers. 131 132 133 4.42 2006-05-15 134 ------------------------- 135 - Small changes in .h files in ANSI-C version. 136 137 138 4.39 beta 2006-04-14 139 ------------------------- 140 - The bug in versions 4.33b:4.38b was fixed: 141 C++ version of LZMA encoder could not correctly compress 142 files larger than 2 GB with HC4 match finder (-mfhc4). 143 144 145 4.37 beta 2005-04-06 146 ------------------------- 147 - Fixes in C++ code: code could no be compiled if _NO_EXCEPTIONS was defined. 148 149 150 4.35 beta 2005-03-02 151 ------------------------- 152 - The bug was fixed in C++ version of LZMA Decoder: 153 If encoded stream was corrupted, decoder could access memory 154 outside of allocated range. 155 156 157 4.34 beta 2006-02-27 158 ------------------------- 159 - Compressing speed and memory requirements for compressing were increased 160 - LZMA now can use only these match finders: HC4, BT2, BT3, BT4 161 162 163 4.32 2005-12-09 164 ------------------------- 165 - Java version of LZMA SDK was included 166 167 168 4.30 2005-11-20 169 ------------------------- 170 - Compression ratio was improved in -a2 mode 171 - Speed optimizations for compressing in -a2 mode 172 - -fb switch now supports values up to 273 173 - The bug in 7z_C (7zIn.c) was fixed: 174 It used Alloc/Free functions from different memory pools. 175 So if program used two memory pools, it worked incorrectly. 176 - 7z_C: .7z format supporting was improved 177 - LZMA# SDK (C#.NET version) was included 178 179 180 4.27 (Updated) 2005-09-21 181 ------------------------- 182 - Some GUIDs/interfaces in C++ were changed. 183 IStream.h: 184 ISequentialInStream::Read now works as old ReadPart 185 ISequentialOutStream::Write now works as old WritePart 186 187 188 4.27 2005-08-07 189 ------------------------- 190 - The bug in LzmaDecodeSize.c was fixed: 191 if _LZMA_IN_CB and _LZMA_OUT_READ were defined, 192 decompressing worked incorrectly. 193 194 195 4.26 2005-08-05 196 ------------------------- 197 - Fixes in 7z_C code and LzmaTest.c: 198 previous versions could work incorrectly, 199 if malloc(0) returns 0 200 201 202 4.23 2005-06-29 203 ------------------------- 204 - Small fixes in C++ code 205 206 207 4.22 2005-06-10 208 ------------------------- 209 - Small fixes 210 211 212 4.21 2005-06-08 213 ------------------------- 214 - Interfaces for ANSI-C LZMA Decoder (LzmaDecode.c) were changed 215 - New additional version of ANSI-C LZMA Decoder with zlib-like interface: 216 - LzmaStateDecode.h 217 - LzmaStateDecode.c 218 - LzmaStateTest.c 219 - ANSI-C LZMA Decoder now can decompress files larger than 4 GB 220 221 222 4.17 2005-04-18 223 ------------------------- 224 - New example for RAM->RAM compressing/decompressing: 225 LZMA + BCJ (filter for x86 code): 226 - LzmaRam.h 227 - LzmaRam.cpp 228 - LzmaRamDecode.h 229 - LzmaRamDecode.c 230 - -f86 switch for lzma.exe 231 232 233 4.16 2005-03-29 234 ------------------------- 235 - The bug was fixed in LzmaDecode.c (ANSI-C LZMA Decoder): 236 If _LZMA_OUT_READ was defined, and if encoded stream was corrupted, 237 decoder could access memory outside of allocated range. 238 - Speed optimization of ANSI-C LZMA Decoder (now it's about 20% faster). 239 Old version of LZMA Decoder now is in file LzmaDecodeSize.c. 240 LzmaDecodeSize.c can provide slightly smaller code than LzmaDecode.c 241 - Small speed optimization in LZMA C++ code 242 - filter for SPARC's code was added 243 - Simplified version of .7z ANSI-C Decoder was included 244 245 246 4.06 2004-09-05 247 ------------------------- 248 - The bug in v4.05 was fixed: 249 LZMA-Encoder didn't release output stream in some cases. 250 251 252 4.05 2004-08-25 253 ------------------------- 254 - Source code of filters for x86, IA-64, ARM, ARM-Thumb 255 and PowerPC code was included to SDK 256 - Some internal minor changes 257 258 259 4.04 2004-07-28 260 ------------------------- 261 - More compatibility with some C++ compilers 262 263 264 4.03 2004-06-18 265 ------------------------- 266 - "Benchmark" command was added. It measures compressing 267 and decompressing speed and shows rating values. 268 Also it checks hardware errors. 269 270 271 4.02 2004-06-10 272 ------------------------- 273 - C++ LZMA Encoder/Decoder code now is more portable 274 and it can be compiled by GCC on Linux. 275 276 277 4.01 2004-02-15 278 ------------------------- 279 - Some detection of data corruption was enabled. 280 LzmaDecode.c / RangeDecoderReadByte 281 ..... 282 { 283 rd->ExtraBytes = 1; 284 return 0xFF; 285 } 286 287 288 4.00 2004-02-13 289 ------------------------- 290 - Original version of LZMA SDK 291 292 293 294 HISTORY of the LZMA 295 ------------------- 296 2001-2008: Improvements to LZMA compressing/decompressing code, 297 keeping compatibility with original LZMA format 298 1996-2001: Development of LZMA compression format 299 300 Some milestones: 301 302 2001-08-30: LZMA compression was added to 7-Zip 303 1999-01-02: First version of 7-Zip was released 304 305 306 End of document 307
