history.txt 6.9 KB

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