HISTORY of the 7-Zip
--------------------

9.12 beta      2010-03-24
-------------------------
- ZIP / PPMd compression ratio was improved in Maximum and Ultra modes.
- The BUG in 7-Zip 9.* beta was fixed: LZMA2 codec didn't work,
  if more than 10 threads were used (or more than 20 threads in some modes).


9.11 beta      2010-03-15
-------------------------
- 7-Zip now supports PPMd compression in ZIP archives.
- Speed optimizations in PPMd codec.
- The support for archives in installers was improved.
- Some bugs were fixed.
- New localization: Kazakh.
   

9.10 beta      2009-12-22
-------------------------
- The BUG in 7-Zip 9.09 beta was fixed:
    7-Zip created incorrect ZIP archives, if ZipCrypto encryption was used.
    

9.09 beta      2009-12-12
-------------------------
- 7-Zip now can unpack Apple Partition Map (APM) disk images.
- Speed optimizations in AES code for Intel's 32nm CPUs.
- Speed optimizations in CRC calculation code for Intel's Atom CPUs.
- Some bugs were fixed.


9.07 beta      2009-08-27
-------------------------
- It's possible to specify Diff program in options (7-Zip File Manager).
- Some bugs were fixed.


9.06 beta      2009-08-17
-------------------------
- 7-Zip now can unpack MSLZ archives.
- Partial parsing for EXE resources, SWF and FLV.
- Some bugs were fixed.


9.04 beta      2009-05-30
-------------------------
- 7-Zip now can update solid .7z archives.
- 7-Zip now supports LZMA2 compression method.
- 7-Zip now supports XZ archives.
- 7-Zip now can unpack NTFS, FAT, VHD and MBR archives.
- 7-Zip now can unpack GZip, BZip2, LZMA, XZ and TAR archives from stdin.
- 7-Zip now can open/copy/compress disk images (like \\.\c:) from \\.\ folder.
- 7-Zip File Manager now doesn't use temp files to open nested archives 
  stored without compression.
- New -scrc switch to calculate total CRC-32 during extracting / testing.
- New -scc{WIN|DOS|UTF-8} switch to specify charset for console input/output (default = DOS).
- Some bugs were fixed.


4.65           2009-02-03
-------------------------
- 7-Zip File Manager now can calculate SHA-256 checksum.
- Some bugs were fixed.


4.64           2009-01-03
-------------------------
- The bug in 7-Zip 4.63 was fixed: 7-Zip could not decrypt .ZIP archives 
  encrypted with WinZip-AES method.


4.63           2008-12-31
-------------------------
- 7-Zip now can unpack ZIP archives encrypted with PKWARE-AES.
- Some bugs were fixed.


4.62           2008-12-02
-------------------------
- Some bugs were fixed.


4.61 beta      2008-11-23
-------------------------
- 7-Zip now supports LZMA compression for .ZIP archives.
- Some bugs were fixed.
- New localization: Sinhala.


4.60 beta      2008-08-19
-------------------------
- Some bugs were fixed.


4.59 beta      2008-08-13
-------------------------
- 7-Zip now can unpack UDF, XAR and DMG/HFS archives.
- 7-Zip File Manager now keeps encryption when you edit encrypted file inside archive.
- 7-Zip File Manager now allows to change current folder from the address bar drop-down list.
- It's allowed to use -t switch for "list" and "extract" commands.
- Some bugs were fixed.
- New localizations: Icelandic, Kurdish Sorani.


4.58 beta      2008-05-05
-------------------------
- Some speed optimizations.
- 7-Zip now can unpack .lzma archives.
- Unicode (UTF-8) support for filenames in .ZIP archives. Now there are 3 modes:
    1) Default mode: 7-Zip uses UTF-8, if the local code page doesn't contain required symbols.
    2) -mcu switch:  7-Zip uses UTF-8, if there are non-ASCII symbols.
    3) -mcl switch:  7-Zip uses local code page.
- Now it's possible to store file creation time in 7z and ZIP archives (-mtc switch).
- 7-Zip now can unpack multivolume RAR archives created with 
  "old style volume names" scheme and names *.001, *.002, ...
- Now it's possible to use -mSW- and -mSW+ switches instead of -mSW=off and -mSW=on  
- Some bugs were fixed.
- New localizations: Punjabi (Indian), Pashto.


4.57           2007-12-06
-------------------------
- The BUG in command line version was fixed: -up3 switch 
  could work incorrectly.


4.56 beta      2007-10-24
-------------------------
- Some bugs were fixed.


4.55 beta      2007-09-05
-------------------------
- Some bugs were fixed.


4.54 beta      2007-09-04
-------------------------
- Decompression speed was increased.


4.53 beta      2007-08-27
-------------------------
- "Test" and "Info" buttons now work for open archives.
- The bug in 7-Zip 4.48 - 4.52 beta was fixed:
    7-Zip could create .ZIP archives with broken files.
- Some bugs were fixed.


4.52 beta      2007-08-03
-------------------------
- 7-Zip now can unpack Compound files (msi, doc, ...).
- Some bugs were fixed.


4.51 beta      2007-07-25
-------------------------
- Bug was fixed: 7-Zip 4.50 beta could not open some .7z archives.


4.50 beta      2007-07-24
-------------------------
- New switch for command line version:
    -ssc[-] enables/disables case-sensitive mode for file names.
- Speed optimizations for AES encryption.
- Some bugs were fixed.


4.49 beta      2007-07-11
-------------------------
- 7-Zip now can unpack WIM archives.
- 7-Zip now replaces incorrect characters in filenames during extracting.


4.48 beta      2007-06-26
-------------------------
- Encryption strength for .7z format was increased. 
  Now it uses random initialization vectors.
- Some bugs were fixed.


4.47 beta      2007-05-27
-------------------------
- Bugs of 7-Zip 4.46 beta were fixed: BZip2 could work incorrectly.


4.46 beta      2007-05-25
-------------------------
- New fast compression mode for Deflate method in Zip and GZip.
- New "Compress shared files" option in GUI and -ssw switch.
- Some bugs were fixed.
- New localization: Norwegian Nynorsk.


4.45 beta      2007-04-17
-------------------------
- Now it's possible to specify the size of solid block and the number 
  of CPU threads in "Add to archive" dialog box. 
- Default dictionary size was increased: Normal: 16 MB, Max: 32 MB.
- Speed optimizations.
- Benchmark was improved (new "b" command in command line version).
- The number of DLL files was reduced.
- Now it's possible to associate 7-zip with combined types like .tbz2
- switch -mhcf=off is not supported now.
- If -t{Type} switch is not specified, 7-Zip now uses extension of archive to 
  detect the type of archive.
- Some bugs were fixed.
- New localization: Welsh.


4.44 beta      2007-01-20
-------------------------
- Speed optimizations for LZMA, Deflate, BZip2 and unRAR.
- 7-Zip now supports file pathnames longer than 260 characters.
- Some bugs were fixed.
- New localizations: Bangla, Bashkir, Nepali.


4.43 beta      2006-09-15
-------------------------
- 7-Zip now can use multi-threading mode for compressing to .ZIP archives.
- ZIP format supporting was improved.
- 7-Zip now supports WinZip-compatible AES-256 encryption for .ZIP archives.
- New context menu items for .ZIP archives creating.
- 7-Zip now uses order list (list of extensions) for files sorting for compressing 
  to .7z archives. It can slightly increase compression ratio in some cases.
- 7-Zip now restores modification time of folders during .7z archives extracting.
- Some bugs were fixed.
- New localizations: Armenian, Marathi.



4.42           2006-05-14
-------------------------
- Compressing speed and Memory requirements were increased.
  Default dictionary size was increased: Fastest: 64 KB, Fast: 1 MB, 
  Normal: 4 MB, Max: 16 MB, Ultra: 64 MB.
- BZip2 compressing / decompressing now can work in multi-threading mode
- Multi-threading mode now is default for multi-processor systems
- 64-bit version now supports 1 GB dictionary
- 7z/LZMA now can use only these match finders: HC4, BT2, BT3, BT4
- Compression ratio in Zip/GZip/Deflate in Ultra mode was increased
- 7-Zip now can unpack ISO archives and some installers created by NSIS
- Optional "Flat View" mode in 7-Zip File Manager
- 7-Zip File Manager now can calculate CRC checksums for files
- -x switch with relative paths now affects files specified with absolute paths
- New switch for 7za.exe (console version): -slt.
  "l" (list) command with -slt shows technical information for archive.
- New switch: -scs{WIN|DOS|UTF-8} specifies charset for list files.
  Default charset for list files is UTF-8 now.
- Some bugs were fixed
- New localizations: Albanian, Kurdish


4.32           2005-12-09
-------------------------
- Bug was fixed: 7-Zip 4.31 didn't work in Windows 95


4.31           2005-12-04
-------------------------
- Small changes
- New localization: Basque


4.30 beta      2005-11-18
-------------------------
- Files 7zFMn.exe, 7zGn.exe, 7-zipn, 7za.exe, 7zC.sfx were removed from 7-zip package
- 7-Zip now uses uncompressed SFX: 7z.sfx
- Sfx modules 7z.sfx and 7zCon.sfx now use msvcrt.dll
- Speed optimizations in LZMA maximum/ultra compressing.
- LZMA now supports word size up to 273
- 7-Zip now reduces dictionary size for LZMA, if you compress files 
  smaller than specified dictionary size.
- 7-Zip now can use large memory pages:
    GUI: 7-Zip File Manager / Options / Settings / Use large memory pages.
    Command line version: -slp switch.
  This feature allows to increase speed of compressing.
  But 7-Zip can make some pause at starting of compressing for allocating large pages.
  Also Task Manager doesn't show real memory usage of program, if 7-Zip uses large pages.
  This feature works only on Windows 2003 / XP x64 / Vista. 
  Also you must have administrator's rights for your system.
  Recommended size of RAM: 1 GB or more.
  To install this feature you must run 7-Zip File Manager at least once, 
  close it and reboot system.
- Some bugs were fixed
  

4.29 beta      2005-09-28
-------------------------
- Bug was fixed: 7-Zip 4.28 beta worked incorrectly in Windows 95/98/Me


4.28 beta      2005-09-27
-------------------------
- Bug was fixed: 7-Zip 4.27 beta created incorrect multivolume archives.
- "Duplicate filename" collision problem between names with ligatures was fixed.


4.27 beta      2005-09-21
-------------------------
- 7-Zip can unpack CHM/HXS (MS HTML HELP) archives
- 7-Zip can unpack multivolume CAB archives
- Now 7-Zip deletes files to the Recycle Bin by default.
  Shift+Delete deletes files permanently.
- Some bugs were fixed
- New localization: Tatarish


4.26 beta      2005-08-05
-------------------------
- LZH format support (extracting only)
- Some bugs were fixed
- New localization: Ido


4.25 beta      2005-07-31
-------------------------
- 7-Zip now doesn't interrupt the compressing when it can not 
  find specified file as in version 4.24 beta. It just shows warning.
- 7-Zip now supports standard selection mode in the file list
- Some bugs were fixed


4.24 beta      2005-07-06
-------------------------
- 7-Zip now supports right-click Drag and Drop in Explorer
- Command line version now supports short file names (like FILENA~1.TXT)
- If there are no wildcard names and there is no -r switch in command line, 
  7-Zip now checks that specified files exist on disk before compressing.
- Some bugs were fixed


4.23           2005-06-29
-------------------------
- Drag and Drop support
- 7-Zip File Manager now can copy files from one archive to another
- Some bugs were fixed
- New localizations: Extremaduran, Malay


4.20           2005-05-30
-------------------------
- No changes 


4.19 beta      2005-05-21
-------------------------
- BZip2 code was rewritten. Now it supports 3 modes: Normal, Maximum and 
  Ultra. In Normal mode it compresses almost as original BZip2 compressor. 
  Compression ratio in Maximum and Ultra modes is 1-3% better for some files, 
  but Maximum Mode is about 3 times slower and Ultra Mode is about 8 times 
  slower than Normal mode.
- Console version now prints all messages to stdout by default,
  and if -so switch is specified, 7-Zip prints messages to stderr.
- Some bugs were fixed
- New localizations: Azeri, Georgian


4.18 beta      2005-04-19
-------------------------
- Bug in v4.17 beta was fixed: 7-Zip File Manager could crash 
  after some operations with archives

  
4.17 beta      2005-04-18
-------------------------
- To increase protection from viruses, 7-Zip now does not open 
  files with more than 4 continuous spaces in the name. 
  And 7-Zip changes such long spaces in name to " ... " in the file list.
- Code size optimization
- Some files were moved from main package to extra package:
    - Plugin for FAR Manager
    - SFX modules for installers (7zS.sfx and 7zSD.sfx)
- New localizations: Asturian, Indonesian


4.16 beta      2005-03-29
-------------------------
- Speed optimization (5%) for 7z / LZMA 
- 7za.exe now supports .Z archives
- -r- switch in command line now is default for all commands 
- Some bugs were fixed
- New localization: Uzbek


4.15 beta      2005-01-25
-------------------------
- Z format supporting (extracting only)
- 7-Zip now can extract ZIP archives compressed with "Shrink" method
- 7-Zip now doesn't interrupt the compressing when it can not open file.
  7-Zip just skips that file and shows warning.
- Some bugs were fixed
- New localization: Frisian


4.14 beta      2005-01-11
-------------------------
- 7-Zip installer was created with NSIS.
  Now it installs 7-Zip for all users (under Windows 2000/XP).
- Now 7-Zip can create multivolume archives
  (switch -v for command line)
- Some bugs were fixed
- New localizations: Breton, Farsi


4.13 beta      2004-12-14
-------------------------
- Switch "--" stops switches parsing
- Some bugs were fixed


4.12 beta      2004-11-18
-------------------------
- Bug in v4.11 beta was fixed:
    7-Zip created incorrect ZIP archives if file size was 
    from 3.75 GB to 4 GB.


4.11 beta      2004-11-16
-------------------------
- 7-Zip now shows file names during compressing/decompressing
- 7-Zip now supports Zip64 extension of ZIP format. So now it's 
  possible to compress files bigger than 4 GB to ZIP archives.
- Some bugs were fixed
- New localization: Galician


4.10 beta      2004-10-21
-------------------------
- Bugs in v4.0* were fixed:
  - Some commands in command line with "-r" switch worked incorrectly,
    so 7-zip could skip some files during compressing
  - Some other bugs were fixed
- Small internal changes

  
4.09 beta      2004-10-05
-------------------------
- Bugs in v4.0* were fixed:
  - Renaming inside archives didn't work or worked incorrectly
  - GUI SFX didn't show extracting dialog at start
- Small fixes in 7-Zip GUI (7zG.exe)


4.08 beta      2004-10-04
-------------------------
- Bug in installer for v4.07 was fixed: when rebooting 
  is required, it rebooted without asking user
- Small fixes in 7-Zip GUI (7zG.exe)


4.07 beta      2004-10-03
-------------------------
- Big amount of code was changed in this beta version.
  So don't use it for important data compressing. 
  And test archive after compressing.

- Unified command line interface to GUI and console versions
- 7-Zip now can extract or test several archives in one command  
- 7-Zip now doesn't interrupt the compressing when file is locked by 
  other application. 7-Zip just skips that file and shows warning.
  Note: previous versions of 7-Zip had bug, so they can not unpack 
  non-solid and some solid 7z archives with such skipped files.
- Command line interface was changed:
    - now it's possible to use absolute pathnames
    - syntax simplification:
        was: 7z a a Folder1\* Folder2\* -r
        now: 7z a a Folder1 Folder2
    - now it's possible to use complex wildcard commands, like *\*111*\*
- More smart detection of archive type for files with unusual
  file name extensions
- Supporting for RAR archives with encrypted headers
- CPIO format supporting was improved
- For GZip and BZip2 formats you can:
    - Compress from stdin (-si switch)
    - Compress to stdout (-so switch)
    - Extract to stdout (-so switch)
- 7-Zip File Manager:
  - Split and Combine commands
  - new list view options: Full row select, Show grid lines
- Internal reconstruction
- Some bugs were fixed
- New localizations: Friulian, Macedonian, Mongolian, Tamil, Thai


3.13           2003-12-11
-------------------------
- Some small bugs were fixed


3.12           2003-12-10
-------------------------
- Now you can select compression method, dictionary size
  and word size in "Add to archive" dialog box. Also it 
  shows memory usage.
- 7-Zip File Manager now contains toolbars.
- New "Benchmark" command in 7-Zip File Manager.
  It measures compressing and decompressing speeds and 
  shows rating values.
- Some bugs were fixed.


3.11           2003-10-06
-------------------------
- 7-zip now use limitations for solid block size
  for increasing the speed of random file decompressing:
    - in Store mode:     0  B
    - in Fast mode:     16 MB
    - in Normal mode:  256 MB
    - in Maximum mode:   1 GB 
    - in Ultra mode:     4 GB 
- 7z.exe, 7za.exe and SFX modules now support Unicode 
  file names under Windows NT/2000/XP/2003.
  7zn.exe and 7zan.exe were removed from package. 
- Some bugs were fixed
- New localization: Afrikaans

  
3.10           2003-09-27
-------------------------
- Drag-and-Drop from external application
- GUI version (7zG.exe) can compress files with absolute paths
- Compression dialog doesn't suggest bzip2 and gzip2 types when 
  there are more than one selected file
- Optional auto renaming for existing files during extraction 
  in command line version (-aot switch).
- Some bugs were fixed


3.09.02        2003-09-20
-------------------------
- Optional limitation for solid block size for increasing 
  the speed of random file decompressing (-ms switch)


3.09.01 beta   2003-09-06
-------------------------
- Automatic compression filter for executable files:
  dll, exe, ocx, sfx, sys, (-mf switch)
- Compression levels in 7z now are:
    - Fast:    32 KB dictionary, BCJ filter
    - Normal:   2 MB dictionary, BCJ filter
    - Maximum:  8 MB dictionary, BCJ filter, max settings
    - Ultra:   32 MB dictionary, BCJ2 filter, max settings
- Updating solid 7z archives now is supported, if it doesn't 
  require repacking solid blocks
- -mhcf switch for 7z format now is default
- Some bugs were fixed


3.08.04 beta   2003-08-24
-------------------------
- Favorites menu in 7-Zip File Manager
- Some bugs were fixed


3.08.03 beta   2003-08-21
-------------------------
- Automatic adding of extension to archive name in Compress Dialog
- Some bugs in previous 3.08.* versions were fixed:
    - Storing columns width inside archives in File Manager
    - Opening archive inside archive
    - Quotes in list files in console version


3.08.02 beta   2003-08-20
-------------------------
- Some bugs were fixed


3.08 beta      2003-08-19
-------------------------
- Compress dialog:
   - Supporting fast compressing mode (-mx=1 switch)
   - Multi-threading option for Multi-Processor systems 
     or Pentium 4 with Hyper-Threading
   - Encrypt file names option
- New context menu items:
   - Extract here
   - Extract to <Folder>
   - Compress and email
- Internal reconstruction, registry using was reduced
- New localization: Esperanto


2.30 Beta 32   2003-05-15
-------------------------
- New features in compressing / decompressing window.
- "Show password" option.
- Some other small changes.
- New localization: Valencian.


2.30 Beta 31   2003-04-29
-------------------------
- Some bugs were fixed.


2.30 Beta 30   2003-04-19
-------------------------
- 7-Zip File Manager:
   - Showing .. item.
   - 1/2 Panels mode switching (F9).
- Supporting Bzip2 compression in ZIP archives.
- Some bugs were fixed.
- Some optimization recompiling for reducing code size.


2.30 Beta 29   2003-04-07
-------------------------
- 7-Zip File Manager:
   - "7-Zip" and "System" submenus in "Files" menu.
   - Path history and "Browse" button in "Copy" dialog.
- RAR supporting was improved.
- Some bugs were fixed.
- Small changes in LZMA code.
- New localizations: Hebrew, Vietnamese.


2.30 Beta 28   2003-02-16
-------------------------
- Some bugs were fixed:
   - Updating 7z archives that are larger than 4 GB.
   - Using anti-items in 7z format.
   - Compressing empty files with password to zip format.
- In max mode 7z now uses 8 MB dictionary instead of 4 MB.
- 7-Zip File Manager:
   - Supporting file comments: Ctrl-Z.
   - New key alias for folder bookmarks: [Shift]+Alt+Number.


2.30 Beta 27   2003-01-24
-------------------------
- Two BUGs in two previous beta versions (Beta 25 and Beta 26) 
  were fixed:
    1. Incorrect compressing to non-solid 7z archive
       when files have some very big sizes:
       4 GB, 8 GB, 12 GB, 16 GB, ... 
    2. Incorrect percent showing in 7z compressing
       when files are bigger than 4 GB.
- Supporting multivolume RAR and SPLIT archives. 
- Supporting DEB archives.
- Supporting old version of CPIO format.
- Some bugs were fixed.
- New localizations: Korean, Swedish.


2.30 Beta 26   2003-01-12
-------------------------
- Supporting Deflate64 method in Zip archives.
- Supporting Rar 1.50 archives.
- Some bugs were fixed.


2.30 Beta 25   2003-01-02
-------------------------
- Encryption feature for 7z format (AES-256).
- New optional archive header compressing mode (-mhcf).
- Archive headers now always are compressed with LZMA method.
- Updating non-solid 7z archives without -ms=off now is allowed.
- Folder creating and item renaming inside archive now is supported.
- Supporting encrypted Rar3 archives.
- Supporting Unicode names in Rar3 archives.
- Some bugs were fixed.
- New localizations: Lithuanian, Voro.


2.30 Beta 24   2002-11-01
-------------------------
- Some internal reconstructions.
- -m switch syntax was slightly changed.
- Some bugs were fixed.
- New localizations: Catalan, Norwegian, Romanian.

  
2.30 Beta 23   2002-09-07
-------------------------
- Encryption feature for zip format.
- Percent indicating for some operations.
- Some bugs were fixed.

  
2.30 Beta 22   2002-08-31
-------------------------
- New program: 7-Zip File Manager.
- Command line version now doesn't allow absolute paths
  for compressing files.
- New localizations: Belarusian, Greek.
- Bug in FAR plugin was fixed:
    Incorrect updating when archive has no explicit 
    directory items for file items.
- Some bugs were fixed.

  
2.30 Beta 21   2002-07-08
-------------------------
- RAM requirements for LZMA (7z) compression were reduced.
- Small bug in FAR plugin was fixed.


2.30 Beta 20   2002-07-01
-------------------------
- RAM requirements for LZMA (7z) decompression were reduced.
- New localization: Turkish.
- Some bugs were fixed.


2.30 Beta 19   2002-04-11
-------------------------
- Supporting RAR 3.0 archives.
- New localizations: Danish, Ukrainian.


2.30 Beta 18   2002-03-25
-------------------------
- Compressing speed in 7z format was slightly increased.
- New localizations: Estonian, Finnish.
- Some bugs were fixed.


2.30 Beta 17   2002-03-03
-------------------------
- Supporting ARJ archives.
- New localization: Chinese Simplified.


2.30 Beta 16   2002-02-24
-------------------------
- Supporting RPM and CPIO archives.
- New fast compression mode for LZMA: -m0a=0.
- New match finders for LZMA: bt4b, hc3, hc4.
- Some bugs were fixed.


2.30 Beta 15   2002-02-17
-------------------------
- Compression ratio in 7z was slightly improved.
- New localization: Dutch.


2.30 Beta 14   2002-02-10
-------------------------
- Speed optimization for multiprocessor computers (-mmt switch).
- New localizations: Czech, Japanese, Polish.
- Some bugs were fixed.


2.30 Beta 13   2002-01-31
-------------------------
- New SFX module for installers.
- New match finder for LZMA: bt3.
- New localizations: Portuguese, Portuguese Brazil, Serbo-Croatian.
- Some bugs were fixed.


2.30 Beta 12   2002-01-16
-------------------------
- Bug was fixed: memory leak in Beta 11.
- New localization: Hungarian.


2.30 Beta 11   2002-01-15
-------------------------
- Archive testing feature for GUI version.
- Now 7-Zip can use more than 256 MB of RAM in all Windows versions.
- New localizations: Bulgarian, Chinese Traditional, Latvian, Slovak.
- Some bugs were fixed.


2.30 Beta 10   2002-01-11
-------------------------
- Bugs were fixed:
    - Updating 7z archives in Beta 8 and 9 didn't work.
    - Unicode version in Beta 9 didn't work in Windows NT4.
    - Some other bugs were fixed.
- New localizations: Arabic, French, Italian, Slovenian, Spanish.


2.30 Beta 9    2002-01-08
-------------------------
- Program localization: English, German, Russian.
- Additional optimized versions of programs 
  for Windows NT4/2000/XP.
- Two new match finders for LZMA: pat3h and pat4h.
- Some bugs were fixed.


2.30 Beta 8    2001-12-21
-------------------------
- 7-Zip now supports some zip archives that were not 
  supported by previous versions.
- 7-Zip now supports new state (-uw switch) for cases
  when 7-Zip can not detect whether file is newer or the same.
- Supporting anti-items in 7z format for incremental 
  update (-u with action #3).
- Some bugs were fixed.


2.30 Beta 7    2001-11-04
-------------------------
- BCJ2: new converter for x86 code.
- Supporting tar archives with very long file names
  (GNU extension to 'tar' format).
- Supporting multistream coders in 7z (-mb switch).
- More compressing parameters for zip and gzip 
  in console version (-m switch).
- Solid compressing option in Windows version.
- Compressing parameters option in Windows version.
- Auto renaming existing files feature for 
  extracting files.
- Overwrite mode switch for extracting (-ao).
- Some bugs were fixed.


2.30 Beta 6    2001-10-13
-------------------------
- Supporting 7z format in MultiArc plugin for FAR Manager.
- Some bugs were fixed.


2.30 Beta 5    2001-10-02
-------------------------
- Creating SFX archives from explorer.
- 7zWin.sfx: Windows version of SFX module.
- Auto adding .exe extension to SFX archive name.
- 7za.exe now supports 7z, bzip2, gzip, tar, zip.
- Some bugs were fixed.


2.30 Beta 4    2001-09-15
-------------------------
- Self extract capability for 7z format.
- 7z archive format is default for 7z.exe and 7za.exe.
- 7z in default mode now uses bt234 match finder
  and solid compression.
- 7z in maximum mode (-mx) now uses 4MB dictionary.


2.30 Beta 3    2001-09-10
-------------------------
- Bug was fixed: decompressing .7z solid archives 
  containing empty files.
- new 7za.exe: standalone command line version 
  (only for 7z format).
- Speed of compressing to Deflate format (zip, gzip) 
  was slightly increased.


2.30 Beta 2    2001-08-30
-------------------------
- Supporting the new 7z format with high compression ratio.
- -bd (Disable percentage indicator) switch in 
  console version.
- Bug in console version was fixed: 
    previous versions incorrectly execute compression 
    commands with non-recursive wildcards in combination 
    with subfolders.
- Some other bugs were fixed.


2.30 Beta 1    2001-05-07
-------------------------
- Speed of reading of archive contents was increased.
- Bug was fixed: incorrect showing file names with 
  national charsets in some zip archives.
- Now it is possible to compress files larger than 4GB 
  to GZip archives.


2.24           2001-03-21
-------------------------
- Bugs in GZip and Cab decoders were fixed.


2.23           2001-03-04
-------------------------
- Opening archive items in Explorer.
- Context menu for archive items in Explorer.
- Automatic adding extension to archive name in console version.
- Some bugs were fixed.


2.22           2001-01-21
-------------------------
- Supporting Zip archives containing more than 65535 files.
- Speed of Plugin for Explorer was increased.
- Searching start position of archive now is limited by 
  first 1MB part of file.
- Some bugs were fixed.
- Packet now doesn't contain 7zip.exe, far7zip.reg and 
  far7zip2.reg files. There is new far7z.reg file.


2.21           2000-12-21
-------------------------
- FAR Plugin was improved:

    - Showing process box during opening archives.
    - Viewing properties of file by Ctrl-A.
    - Alt-F6 in archive now immediately extracts selected files 
      to current directory.
      
- Some bugs were fixed:
    
    - Entering to archive's subfolders in Explorer by clicking 
      items in main window didn't work under Windows ME/2000.
    - Decompressing solid Rar archives sometimes gave error.
    - Console version 7z.exe during list operation incorrectly 
      showed file names with national (non-english) charsets.
    - FAR Plugin didn't execute some operations.
    - Showing percents during extracting ZIP archives sometimes 
      was incorrect.


2.20           2000-11-20
-------------------------
- Supporting BZip2 and Cab.
- New program architecture with external
  compression and cryptographic modules.
- Decryption support (Rar and Zip). 
- New console client. 
- Some bugs were fixed.


2.11           2000-06-15
-------------------------
- Bugs were fixed:

    - FAR Plugin incorrectly processed
      names of subdirectories that use national
      (non-english) charsets.
    - gzip plugin could not compress empty files.


2.10           2000-05-16
-------------------------
- First level 7-Zip Plugin for FAR Manager.
- GUI version with integration to Windows Shell.
- Compression and decompressing GZip and TAR formats.
- Decompression RAR.
- Install & Uninstall support.
- Some bugs were fixed.


2.01           1999-09-19
-------------------------
- Small bug was fixed.
- Compression ratio was improved for some files.


2.00           1999-07-18
-------------------------
- Release.
- Big bug was fixed: previous versions incorrectly worked
    during compressing with files that were referred by
    direct(without wildcards) paths, containing subdirs parts.
- Compression and decompression speed were improved.
- -mx switch (maXimize compression) was added.
- Small bugs were fixed.


2.00 Beta 1    1999-01-02
-------------------------
- Original beta version.


End of document
