1HISTORY of the LZMA SDK
2-----------------------
3
49.38 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
129.36 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
249.35 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
319.21 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
399.18 beta      2010-11-02
40-------------------------
41- New small SFX module for installers (SfxSetup).
42
43
449.12 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
509.11 beta      2010-03-15
51-------------------------
52- PPMd compression method support
53
54
559.09           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
639.06           2009-08-17
64-------------------------
65- Some changes in ANSI-C 7z Decoder interfaces.
66
67
689.04           2009-05-30
69-------------------------
70- LZMA2 compression method support
71- xz format support
72
73
744.65           2009-02-03
75-------------------------
76- Some minor fixes
77
78
794.63           2008-12-31
80-------------------------
81- Some minor fixes
82
83
844.61 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
934.60 beta      2008-08-19
94-------------------------
95- Some minor fixes.
96
97
984.59 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
1054.58 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
1124.57           2007-12-12
113-------------------------
114- Speed optimizations in �++ LZMA Decoder.
115- Small changes for more compatibility with some C/C++ compilers.
116
117
1184.49 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
1284.43           2006-06-04
129-------------------------
130- Small changes for more compatibility with some C/C++ compilers.
131
132
1334.42           2006-05-15
134-------------------------
135- Small changes in .h files in ANSI-C version.
136
137
1384.39 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
1454.37 beta      2005-04-06
146-------------------------
147- Fixes in C++ code: code could no be compiled if _NO_EXCEPTIONS was defined.
148
149
1504.35 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
1574.34 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
1634.32           2005-12-09
164-------------------------
165- Java version of LZMA SDK was included
166
167
1684.30           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
1804.27 (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
1884.27           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
1954.26           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
2024.23           2005-06-29
203-------------------------
204- Small fixes in C++ code
205
206
2074.22           2005-06-10
208-------------------------
209- Small fixes
210
211
2124.21           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
2224.17           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
2334.16           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
2464.06           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
2524.05           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
2594.04           2004-07-28
260-------------------------
261- More compatibility with some C++ compilers
262
263
2644.03           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
2714.02           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
2774.01           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
2884.00           2004-02-13
289-------------------------
290- Original version of LZMA SDK
291
292
293
294HISTORY 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
306End of document
307