1HISTORY of the 7-Zip source code 2-------------------------------- 3 424.05 2024-05-14 5------------------------- 6- New switch -myv={MMNN} to set decoder compatibility version for 7z archive creating. 7 {MMNN} is 4-digit number that represents the version of 7-Zip without a dot. 8 If -myv={MMNN} switch is specified, 7-Zip will only use compression methods that can 9 be decoded by the specified version {MMNN} of 7-Zip and newer versions. 10 If -myv={MMNN} switch is not specified, -myv=2300 is used, and 7-Zip will only 11 use compression methods that can be decoded by 7-Zip 23.00 and newer versions. 12- New switch -myfa={FilterID} to allow 7-Zip to use the specified filter method for 7z archive creating. 13- New switch -myfd={FilterID} to disallow 7-Zip to use the specified filter method for 7z archive creating. 14 15 1624.03 2024-03-23 17------------------------- 18- 7-Zip now can use new RISCV filter for compression to 7z and xz archives. 19 RISCV filter can increase compression ratio for data containing executable 20 files compiled for RISC-V architecture. 21- The speed for LZMA and LZMA2 decompression in ARM64 version for Windows 22 was increased by 20%-60%. 23 It uses arm64 assembler code, and clang-cl is required for arm64 assembler code compiling. 24- Some bugs were fixed. 25 26 2724.01 2024-01-31 28------------------------- 29- 7-Zip uses file C/Precomp.h that is included to all c and c++ files. 30 CPP/Common/Common.h also includes C/Precomp.h. 31 C/Precomp.h defines the following macros (if _WIN32 is defined): 32 Z7_LARGE_PAGES 1 33 Z7_LONG_PATH 1 34 Z7_WIN32_WINNT_MIN 0x0500 (or higher) 35 _WIN32_WINNT 0x0500 (or higher) 36 WINVER _WIN32_WINNT 37 UNICODE 1 38 _UNICODE 1 39 if _WIN32_WINNT is defined already, C/Precomp.h doesn't redefine it. 40 41- 7-Zip now can unpack ZSTD archives (.zst extension). 42- 7-Zip now can unpack ZIP and SquashFS archives that use ZSTD compression method. 43- 7-Zip now supports fast hash algorithm XXH64 that is used in ZSTD. 44- Speed optimizations for archive unpacking: rar, zip, gz, wim, cab. 45- Speed optimizations for hash caclulation: CRC-32, CRC-64, Blake2sp. 46- The bug was fixed: 7-Zip for Linux could fail for multivolume creation in some cases. 47- Some bugs were fixed. 48 49 5023.01 2023-06-20 51------------------------- 52- All external macros for compiling C/C++ code of 7-Zip now have Z7_ prefix. 53- 7-Zip COM interfaces now use new macros that allow to declare and implement COM interface. 54- The code has been modified to compile with the maximum diagnostic warning level: 55 -Wall in MSVC and -Weverything in CLANG. 56 And some warning types are disabled in 2 files: 57 - C/Compiler.h for C/C++ code warnings. 58 - CPP/Common/Common.h for C++ code warnings. 59- Linux/macOS versions of 7-Zip: IUnknown interface in new code doesn't use 60 virtual destructor that was used in previous 7-Zip and p7zip: 61 // virtual ~IUnknown() {} 62 So 7-Zip's dynamically linked shared libraries (codecs) are not compatible 63 between new 7-Zip for Linux/macOS and old 7-Zip (and p7zip). 64- Some optimizations in filters code: BCJ, BCJ2, Swap* and opthers. 65- If 7-Zip uses BCJ2 filter for big datasets compressing, it can use additional temp 66 files in system's TEMP folder. 7-Zip uses temp file for additional compressed 67 data stream, if size of such compressed stream is larger than predefined limit: 68 16 MiB in 32-bit version, 4 GiB in 64-bit version. 69- Some bugs were fixed. 70 71 7222.00 2022-06-16 73------------------------- 74- 7-Zip interfaces now support high precision (1 ns) timestamps with reserved 75 fields of tagPROPVARIANT (VT_FILETIME). 76 77 7821.07 2021-12-26 79------------------------- 80- The sorting order of files in archives was slightly changed to be more consistent 81 for cases where the name of some directory is the same as the prefix part of the name 82 of another directory or file. 83- TAR archives created by 7-Zip now are more consistent with archives created by GNU TAR program. 84 85 8621.06 2021-11-24 87------------------------- 88- Bug in LZMA encoder in file LzmaEnc.c was fixed: 89 LzmaEnc_MemEncode(), LzmaEncode() and LzmaCompress() could work incorrectly, 90 if size value for output buffer is smaller than size required for all compressed data. 91 LzmaEnc_Encode() could work incorrectly, 92 if callback ISeqOutStream::Write() doesn't write all compressed data. 93 NCompress::NLzma::CEncoder::Code() could work incorrectly, 94 if callback ISequentialOutStream::Write() returns error code. 95- Bug in versions 21.00-21.05 was fixed: 96 7-Zip didn't set attributes of directories during archive extracting. 97 98 9921.04 beta 2021-11-02 100------------------------- 101- 7-Zip now reduces the number of working CPU threads for compression, 102 if RAM size is not enough for compression with big LZMA2 dictionary. 103- 7-Zip now can create and check "file.sha256" and "file.sha1" text files 104 that contain the list of file names and SHA-1 / SHA-256 checksums in format 105 compatible with sha1sum/sha256sum programs. 106 107 10821.03 beta 2021-07-20 109------------------------- 110- The maximum dictionary size for LZMA/LZMA2 compressing was increased to 4 GB (3840 MiB). 111- Minor speed optimizations in LZMA/LZMA2 compressing. 112 113 11421.02 alpha 2021-05-06 115------------------------- 116- 7-Zip now writes additional field for filename in UTF-8 encoding to zip archives. 117 It allows to extract correct file name from zip archives on different systems. 118- The command line version of 7-Zip for macOS was released. 119- The speed for LZMA and LZMA2 decompression in arm64 versions for macOS and Linux 120 was increased by 20%-60%. 121- Some changes and improvements in ZIP, TAR and NSIS code. 122 123 12421.01 alpha 2021-03-09 125------------------------- 126- The command line version of 7-Zip for Linux was released. 127- The improvements for speed of ARM64 version using hardware CPU instructions 128 for AES, CRC-32, SHA-1 and SHA-256. 129- The bug in versions 18.02 - 21.00 was fixed: 130 7-Zip could not correctly extract some ZIP archives created with xz compression method. 131- Some bugs were fixed. 132 133 13420.02 alpha 2020-08-08 135------------------------- 136- The default number of LZMA2 chunks per solid block in 7z archive was increased to 64. 137 It allows to increase the compression speed for big 7z archives, if there is a big number 138 of CPU cores and threads. 139- The speed of PPMd compressing/decompressing was increased for 7z/ZIP/RAR archives. 140- The new -ssp switch. If the switch -ssp is specified, 7-Zip doesn't allow the system 141 to modify "Last Access Time" property of source files for archiving and hashing operations. 142- Some bugs were fixed. 143 144 14520.00 alpha 2020-02-06 146------------------------- 147- 7-Zip now supports new optional match finders for LZMA/LZMA2 compression: bt5 and hc5, 148 that can work faster than bt4 and hc4 match finders for the data with big redundancy. 149- The compression ratio was improved for Fast and Fastest compression levels with the 150 following default settings: 151 - Fastest level (-mx1) : hc5 match finder with 256 KB dictionary. 152 - Fast level (-mx3) : hc5 match finder with 4 MB dictionary. 153- Minor speed optimizations in multithreaded LZMA/LZMA2 compression for Normal/Maximum/Ultra 154 compression levels. 155- bzip2 decoding code was updated to support bzip2 archives, created by lbzip2 program. 156 157 15819.02 2019-09-05 159------------------------- 160- Support for SHA-1/SHA-256 optimized code in 161 Sha1Opt.c, Sha256Opt.c, Sha256Opt.asm, Sha1Opt.asm. 162 163 16419.00 2019-02-21 165------------------------- 166- Encryption strength for 7z archives was increased: 167 the size of random initialization vector was increased from 64-bit to 128-bit, 168 and the pseudo-random number generator was improved. 169- Some bugs were fixed. 170 171 17218.06 2018-12-30 173------------------------- 174- The speed for LZMA/LZMA2 compressing was increased by 3-10%, 175 and there are minor changes in compression ratio. 176- Some bugs were fixed. 177- The bug in 7-Zip 18.02-18.05 was fixed: 178 There was memory leak in multithreading xz decoder - XzDecMt_Decode(), 179 if xz stream contains only one block. 180- 7-Zip 18.02-18.05 used only one CPU thread for bz2 archive creation. 181- The changes for MSVS compiler makefiles: 182 - the makefiles now use "PLATFORM" macroname with values (x64, x86, arm64) 183 instead of "CPU" macroname with values (AMD64, ARM64). 184 - the makefiles by default now use static version of the run-time library. 185 186 18718.05 2018-04-30 188------------------------- 189- The speed for LZMA/LZMA2 compressing was increased 190 by 8% for fastest/fast compression levels and 191 by 3% for normal/maximum compression levels. 192- Previous versions of 7-Zip could work incorrectly in "Large memory pages" mode in 193 Windows 10 because of some BUG with "Large Pages" in Windows 10. 194 Now 7-Zip doesn't use "Large Pages" on Windows 10 up to revision 1709 (16299). 195 196 19718.03 beta 2018-03-04 198------------------------- 199- Asm\x86\LzmaDecOpt.asm: new optimized LZMA decoder written in asm 200 for x64 with about 30% higher speed than main version of LZMA decoder written in C. 201- The speed for single-thread LZMA/LZMA2 decoder written in C was increased by 3%. 202- 7-Zip now can use multi-threading for 7z/LZMA2 decoding, 203 if there are multiple independent data chunks in LZMA2 stream. 204- 7-Zip now can use multi-threading for xz decoding, 205 if there are multiple blocks in xz stream. 206 207 20817.00 beta 2017-04-29 209------------------------- 210- NewHandler.h / NewHandler.cpp: 211 now it redefines operator new() only for old MSVC compilers (_MSC_VER < 1900). 212- C/7zTypes.h : the names of variables in interface structures were changed (vt). 213- Some bugs were fixed. 7-Zip could crash in some cases. 214- Some internal changes in code. 215 216 21716.02 2016-05-21 218------------------------- 219- The BUG in 16.00 - 16.01 was fixed: 220 Split Handler (SplitHandler.cpp) returned incorrect 221 total size value (kpidSize) for split archives. 222 223 22416.01 2016-05-19 225------------------------- 226- Some bugs were fixed, 227- Some internal changes to reduce the number of compiler warnings. 228 229 23016.00 2016-05-10 231------------------------- 232- 7-Zip now can extract multivolume ZIP archives (z01, z02, ... , zip). 233- Some bugs were fixed, 234 235 23615.12 2015-11-19 237------------------------- 238- The BUG in C version of 7z decoder was fixed: 239 7zDec.c : SzDecodeLzma2() 240 7z decoder could mistakenly report about decoding error for some 7z archives 241 that use LZMA2 compression method. 242 The probability to get that mistaken decoding error report was about 243 one error per 16384 solid blocks for solid blocks larger than 16 KB (compressed size). 244- The BUG (in 9.26-15.11) in C version of 7z decoder was fixed: 245 7zArcIn.c : SzReadHeader2() 246 7z decoder worked incorrectly for 7z archives that contain 247 empty solid blocks, that can be placed to 7z archive, if some file is 248 unavailable for reading during archive creation. 249 250 25115.09 beta 2015-10-16 252------------------------- 253- The BUG in LZMA / LZMA2 encoding code was fixed. 254 The BUG in LzFind.c::MatchFinder_ReadBlock() function. 255 If input data size is larger than (4 GiB - dictionary_size), 256 the following code worked incorrectly: 257 - LZMA : LzmaEnc_MemEncode(), LzmaEncode() : LZMA encoding functions 258 for compressing from memory to memory. 259 That BUG is not related to LZMA encoder version that works via streams. 260 - LZMA2 : multi-threaded version of LZMA2 encoder worked incorrectly, if 261 default value of chunk size (CLzma2EncProps::blockSize) is changed 262 to value larger than (4 GiB - dictionary_size). 263 264 2659.38 beta 2015-01-03 266------------------------- 267- The BUG in 9.31-9.37 was fixed: 268 IArchiveGetRawProps interface was disabled for 7z archives. 269- The BUG in 9.26-9.36 was fixed: 270 Some code in CPP\7zip\Archive\7z\ worked correctly only under Windows. 271 272 2739.36 beta 2014-12-26 274------------------------- 275- The BUG in command line version was fixed: 276 7-Zip created temporary archive in current folder during update archive 277 operation, if -w{Path} switch was not specified. 278 The fixed 7-Zip creates temporary archive in folder that contains updated archive. 279- The BUG in 9.33-9.35 was fixed: 280 7-Zip silently ignored file reading errors during 7z or gz archive creation, 281 and the created archive contained only part of file that was read before error. 282 The fixed 7-Zip stops archive creation and it reports about error. 283 284 2859.31 2012-10-31 286------------------------- 287- InBuffer.h : CInBuffer uses ISequentialInStream *_stream; instead of CMyComPtr<ISequentialInStream> 288 OutBuffer.h: COutBuffer uses ISequentialOutStream *_stream; instead of CMyComPtr<ISequentialOutStream> 289 290 2919.26 2011-04-11 292------------------------- 293- The BUG was fixed: multi-threaded ZIP stored file size that was at scan stage, 294 So if the file was changed after scan, the Unpack Size field was incorrect 295 296 2979.21 2011-04-11 298------------------------- 299- New class FString for file names at file systems. 300- Speed optimization in CRC code for big-endian CPUs. 301 302 3039.18 2010-11-02 304------------------------- 305- New small SFX module for installers (C/Util/SfxSetup). 306 307 3089.17 2010-10-04 309------------------------- 310- IStream.h::IOutStream:: 311 STDMETHOD(SetSize)(Int64 newSize) PURE; 312 was changed to 313 STDMETHOD(SetSize)(UInt64 newSize) PURE; 314 315 3169.09 2009-12-12 317------------------------- 318- The bug was fixed: 319 Utf16_To_Utf8 funstions in UTFConvert.cpp and 7zMain.c 320 incorrectly converted surrogate characters (the code >= 0x10000) to UTF-8. 321 322 3239.05 2009-07-05 324------------------------- 325- FileMapping.h::CFileMapping now returns WRes 326 327 3289.04 2009-05-30 329------------------------- 330- ICoder.h: NCoderPropID::EEnum values were changed 331 332 3339.02 2009-04-23 334------------------------- 335- Bug was fixed: if swap2 filter was requests at compression, 336 7-zip used swap4 filter instead (but id was swap2), so archives were incorrect. 337 3384.61 2008-11-23 339------------------------- 340- Bug in ver. 4.58+ was fixed: 341 7-Zip didn't use any -m* switch after -mtc, -mcl or -mcu for .zip archives. 342- Bug in .CAB code was fixed. 7-Zip didn't show some empty files, 343 if .CAB archive contains more than one empty file. 344 345 3464.59 2008-07-27 347------------------------- 348- Bug was fixed: 349 LZMA Encoder in fast compression mode could access memory outside of 350 allocated range in some rare cases. 351 352 3534.59 alpha 2008-05-30 354------------------------- 355- BUGS was fixed: 356 7zOut.cpp: 7-Zip incorrectly wrote size of property records in some cases. 357 7zIn.cpp: 7-Zip incorrectly work with archive, containg archive properties. 358 3594.58 alpha 9 2008-04-29 360------------------------- 361- BUG was fixed: 7-Zip showed incorrect timestamps in ISO files. 362 363 3644.58 alpha 8 2008-04-15 365------------------------- 366- BUG in 4.58 alpha 5/6/7 was fixed: 367 LZMA encoder worked incorrectly, if lp != 0. 368- Unicode (UTF-8) support for filenames in .ZIP archives. Now there are 3 modes: 369 1) Default mode: 7-Zip uses UTF-8, if the local code page doesn't contain required symbols. 370 2) -mcu switch: 7-Zip uses UTF-8, if there are non-ASCII symbols. 371 3) -mcl switch: 7-Zip uses local code page. 372- Now it's possible to use -mSW- and -mSW+ switches instead of -mSW=off and -mSW=on 373 374 3754.58 alpha 7 2008-04-08 376------------------------- 377- BUG was fixed: BZip2Encoder and BZip2Decoder used CEvent objects without 378 creating, when BZip2 code was called with one thread (with -mmt1 switch or with 379 default switches on single thread CPU). 380- .lzma support. 381- RPM and NSIS support was improved. 382- LZMA now stores only (2 << n) or (3 << n) dictionary size value to LZMA properties. 383 384 3854.58 alpha 6 2008-03-27 386------------------------- 387- NTFS time extra in ZIP. 388- New item property - kpidTimeType - VT_UI4 (0 - NTFS, 1 - Unix, 2 - DOS). 389- Static CRC table is not required now for Lzma Encoder (in Lz MatchFinder). 390 391 3924.58 alpha 5 2008-03-19 393------------------------- 394- Creation time (-mtc switch) for .7z archives 395- LZMA encoder was converted to ANSI-C 396 397 3984.58 alpha 3 2008-02-25 399------------------------- 400- Speed optimizations for LZMA decoding. Now it uses C code instead of C++. 401- 7-Zip now has 128 MB dictionary limit for 32-bit version: 402 It's for speed optimization: kNumLogBits = 9 + sizeof(size_t) / 2; 403- TAR: 'D' link flag support. 404- 7-Zip now can unpack multivolume RAR archives created with 405 "old style volume names" scheme (-vn switch) and names *.001, *.002, ... 406- Fixed bugs: 407 - 7-Zip FM could not copy / move files to root network folders like \\COMPNAME\FOLDERNAME\ 408 In case of move it removed original files. 409 - SFX-WIN: if there are errors, it still could return 0. 410 - ZIP (.XPS file) isZip64 && thisDiskNumber16 == 0xFFFF. 411 - ZIP name updating: 412 If zip file contains extra field and you try to change properties of files, 413 7-zip tries to delete all extra fileds (except for WzAES). 414 And that code could hang. 415 - 7-Zip GUI didn't suggest BZip2 dictionary size used in previous run. 416 - If creation time stamp was included in .RAR archive, 7-zip used creation time stamp 417 as modification time stamp. 418 4194.58 alpha 2 2007-12-31 420------------------------- 421- Small changes in Deflate and LZMA compression. 422- Some speed optimizations. 423 424 4254.57 426---- 427- Bug was fixed: 428 Anti item is created for wrong file: 429 http://sourceforge.net/forum/forum.php?thread_id=1880366&forum_id=45798 430 431 4324.52 beta 2007-07-32 433------------------------- 434- 7-Zip could not decompress some cab files 435- "." dir creating at FAT was fixed / long names 436 437 4384.50 beta 2007-07-24 439------------------------- 440- 7-Zip now replaces unsupported filenames (like "nul", "com1") during extracting. 441- New switch for command line version: 442 -ssc[-] enables/disables case-sensitive mode. 443- 7z.exe l shows archive comment for zip archives 444- Some bugs were fixed: long paths names shorter than 4. 445- Speed optimizations for AES encryption. 446 447 448 4494.56 beta 2007-09-13 450------------------------- 451- some fixes in LZ encoder (LZMA and Deflate) code. 452 size_t was replaces to ptrdiff_t. 453 size_t version worked incorrectly with some compilers. 454 455 4564.46 beta 2007-05-25 457------------------------- 458- CPP Synchronization objects now return HRes (error code) instead of bool. 459 460 4614.45 beta 2007-04-16 462------------------------- 463- 7-Zip now uses C version of CRC, so you must call CrcGenerateTable at 464 stratup code, or you must add CPP/Common/CRC.cpp to your project. 465- Method ID in .7z now is 63-bit integer (UInt64). 466- Open error messages 467- unRar 1.5 fixed 468- unShrink fixed 469- BUG of 4.43 beta and 4.44 beta was fixed. 470 7-Zip compressing to .zip in multi-threading mode didn't work in some cases. 471 472 4734.44 beta 2007-01-20 474------------------------- 475 476- Bug was fixed: LZMAEncoder.cpp::CEncoder::GetOptimumFast 477 it was: 478 data++ 479 fixed version: 480 data = _matchFinder.GetPointerToCurrentPos(_matchFinderObj) - 1; 481 It could lead to very small cpmpression ratio decreasing when block needs move. 482 483 4844.30 beta 2005-11-18 485------------------------- 486- Security.h::AddLockMemoryPrivilege - installs "Large pages" feature 487- MemoryLock.h::EnableLockMemoryPrivilege - enables "Large pages" feature 488- Alloc.h::SetLargePageSize - sets optimal LargePageSize size 489 490 4914.27 2005-09-21 492------------------------- 493- Some GUIDs/interfaces were changed. 494 IStream.h: 495 ISequentialInStream::Read now works as old ReadPart 496 ISequentialOutStream::Write now works as old WritePart 497 498 4994.26 beta 2005-08-05 500------------------------- 501- MyAlloc(0)/BigAlloc(0) now return 0 502 503 5044.25 beta 2005-07-31 505------------------------- 506- More 64-bit compatibilty 507 508 5094.24 beta 2005-07-06 510------------------------- 511- Common\NewHandler.h: using throw() for code size optimization. 512 513 5144.23 2005-06-29 515------------------------- 516- Bug was fixed: memory leak in Cab decoder. 517 518 5194.19 beta 2005-05-21 520------------------------- 521- BZip2 code was rewritten. Now 7-Zip doesn't use original BZip2 code. 522 Old (original) version was moved to folder 7zip/Compress/BZip2Original/ 523 524 5254.14 beta 2005-01-11 526------------------------- 527- STL using was reduced 528- 7za now supports Split(001) archves 529 530 5314.10 beta 2004-10-21 532------------------------- 533- Codecs now use new interface: ICompressSetDecoderProperties2 534 535 5364.07 beta 2004-10-03 537------------------------- 538- some interfaces were changed slightly to support 539 -stdin -stdout mode. 540- FilterCoder for simple filters 541- Wildcard censor class was changed. 542- Bug was fixed: when encrypted stream was multiple 16, 543 it used additional 16 empty bytes. 544 545 5463.11 2003-10-06 547------------------------- 548 File functions support unicode strings even 549 on Windows 95/98/ME. 550 551 5523.08.02 2003-09-20 553------------------------- 554 More compatible with GCC. 555 556 5573.08.02 beta 2003-08-20 558------------------------- 559 Extracting bug in 7zExtract.cpp was fixed. 560 561 5623.08 beta 2003-08-19 563------------------------- 564 Big source code reconstruction. 565 566 5672.30 Beta 32 2003-05-15 568------------------------- 569 Small changes in Deflate decoder. 570 571 5722.30 Beta 31 2003-04-29 573------------------------- 574 Common/NewHandler.cpp 575 HeapAlloc in (included to beta 30) was changed to malloc. 576 HeapAlloc worked slower in Win95/98/Me. 577 578 5792.30 Beta 30 2003-04-21 580------------------------- 581 new file: Common/String.cpp 582 Common/NewHandler.* were changed 583 584 5852.30 Beta 29 2003-04-07 586------------------------- 587 Small changes in LZMA code. 588 589 5902.30 Beta 28 2003-02-16 591------------------------- 592 Processing anti-files was corrected. 593 594 5952.30 Beta 27 2003-01-24 596------------------------- 597 Project/Archiver/Format/Common/ArchiveInterface.h: 598 new IArchiveOpenVolumeCallback interface. 599 600 6012.30 Beta 26 2003-01-12 602------------------------- 603 SDK/Interface/PropID.h: 604 kpidComment now is kpidCommented 605 606 6072.30 Beta 25 2003-01-02 608------------------------- 609 Main archive interfaces were changed. 610 611 6122.30 Beta 24 2002-11-01 613------------------------- 614 SDK/Windows/Synchronization.h 615 SDK/Windows/Synchronization.cpp 616 - some changes. 617 618 6192.30 Beta 23 2002-09-07 620------------------------- 621 Project/FileManager folder was added. 622 Notation of some source files was changed. 623 624 6252.30 Beta 22 2002-08-28 626------------------------- 627 Project/FileManager folder was added. 628 Notation of some source files was changed. 629 630 631 6322.30 Beta 21 2002-07-08 633------------------------- 634 Project/Compress/LZ/MatchFinder/BinTree/BinTree.h 635 Project/Compress/LZ/MatchFinder/BinTree/BinTreeMain.h 636 Project/Compress/LZ/MatchFinder/BinTree/HC.h 637 Project/Compress/LZ/MatchFinder/BinTree/HCMain.h 638 - RAM requirements for LZMA (7z) compression were reduced. 639 640 6412.30 Beta 20 2002-07-01 642------------------------- 643- SDK/Stream/WindowOut.h 644 now it uses only required memory (dictionary size). 645- Project/Archiver/Resource 646 contains common resurces 647 648 6492.30 Beta 19 2002-04-11 650------------------------- 651- SDK/Archive/Rar/Handler.cpp 652 supporting RAR29 653 6542.30 Beta 18 2002-03-25 655------------------------- 656- SDK/Archive/Cab/MSZipDecoder.cpp 657 SDK/Archive/Cab/LZXDecoder.cpp: 658 bug with corrupted archives was fixed 659- Project/Compress/LZ/MatchFinder/BinTree/BinTree.h 660- Project/Compress/LZ/MatchFinder/BinTree/BinTreeMain.h 661 some speed optimization (using prefetching) 662 663 6642.30 Beta 17 2002-03-03 665------------------------- 666- ARJ suppport. 667 668 6692.30 Beta 16 2002-02-24 670------------------------- 671- Project/Compress/LZ/LZMA/Decoder.cpp: 672 Bug was fixed: LZMA could not extract more than 4 GB. 673- RPM and CPIO formats. 674- Project/Compress/LZ/LZMA/Encoder.* 675 Project/Archiver/Format/7z/OutHandler.cpp 676 New fast compression mode for LZMA: -m0a=0. 677- New match finders for LZMA: bt4b, hc3, hc4. 678 679 6802.30 Beta 15 2002-02-17 681------------------------- 682- Compression ratio in LZMA was slightly improved: 683 Project/Compress/LZ/LZMA/Encoder.* 684 Project/Archiver/Format/7z/OutHandler.cpp 685 686 6872.30 Beta 14 2002-02-10 688------------------------- 689- Supporting multithreading for LZMA: 690 Project/Compress/LZ/MatchFinder/MT 691- Common/String.h: 692 CStringBase::Replace function was fixed. 693 694 6952.30 Beta 13 2002-01-27 696------------------------- 697- Compress/LZ/MatchFinder/BinTree3.h: 698 method 699- Compress/LZ/MatchFinder/BinTreemain.h: 700 - one VirtualAlloc array was splitted to 701 the for 3 arrays. 702 - Hash-functions were changed. 703 704 705 7062.30 Beta 12 2002-01-16 707------------------------- 708- Compress/LZ/MatchFinder/BinTreemain.h: 709 Compress/LZ/MatchFinder/Patricia.h: 710 Compress/PPM/PPMd/SubAlloc.h: 711 Beta 11 bugs were fixed: 712 - VirtualFree was used incorrectly 713 - checking WIN32 instead _WINDOWS. 714 Compress/LZ/MatchFinder/Patricia.h: 715 Beta 11 bug with deleting m_Hash2Descendants was fixed. 716 717 7182.30 Beta 11 2002-01-15 719------------------------- 720- Compress/LZ/MatchFinder/BinTreemain.h: 721 Compress/LZ/MatchFinder/Patricia.h: 722 Compress/PPM/PPMd/SubAlloc.h: 723 using VirtualAlloc for memory allocating 724- Exlorer/ContextMenu.cpp: 725 Testing supporting. 726 CreateProcess instead WinExec 727- Format/Common/IArchiveHandler.h: 728 Exlorer/ProxyHandler.cpp: 729 FAR/Plugin.cpp: 730 New properties names: Method, HostOS. 731- Exlorer/OverwriteDialog.cpp: 732 FAR/OverwriteDialog.cpp: 733 Windows/PropVariantConversions.h 734 Using National time format was eliminated. 735 736 737 7382.30 Beta 10 2002-01-11 739------------------------- 740- Exlorer/ContextMenu.cpp: bug with context menu on 741 Windows NT4 in Unicode version was fixed. 742- Format/7z/UpdateArchiveEngine.cpp: bug was fixed - 743 Updating in Beta 8 and 9 didn't work. 744- Exlorer/CCompressDialog.cpp: history growing bug was fixed. 745 746 7472.30 Beta 9 2002-01-08 748------------------------- 749- SDK/Common/Vector.h: sopporting sorted object vectors . 750- Lang features. 751- Two new match finders: pat3h and pat4h. 752- SDK/Archive/Zip/InEngine.cpp: bug was fixed. 753- SDK/Windows/FileDir.cpp: function CreateComplexDirectory 754 was changed. 755 756