HISTORY of the 7-Zip -------------------- Version 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 Version 4.32 2005-12-09 -------------------------------------- - Bug was fixed: 7-Zip 4.31 didn't work in Windows 95 Version 4.31 2005-12-04 -------------------------------------- - Small changes - New localization: Basque Version 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 Version 4.29 beta 2005-09-28 -------------------------------------- - Bug was fixed: 7-Zip 4.28 beta worked incorrectly in Windows 95/98/Me Version 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. Version 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 Version 4.26 beta 2005-08-05 -------------------------------------- - LZH format support (extracting only) - Some bugs were fixed - New localization: Ido Version 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 Version 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 Version 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 Version 4.20 2005-05-30 -------------------------------------- - No changes Version 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 Version 4.18 beta 2005-04-19 -------------------------------------- - Bug in v4.17 beta was fixed: 7-Zip File Manager could crash after some operations with archives Version 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 Version 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 Version 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 Version 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 Version 4.13 beta 2004-12-14 -------------------------------------- - Switch "--" stops switches parsing - Some bugs were fixed Version 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. Version 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 Version 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 Version 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) Version 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) Version 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 arc...
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