September 17th, 2011· New -spf switch to store full file paths including drive letter to archive.
· If you use that switch with extract command, please check that file names in archive are correct.
· Some bugs were fixed.
September 16th, 2011· LZMA decompression speed was improved.
· "compress and send to email" code was improved to support more email clients.
· New command "h" to calculate hash values CRC-32, CRC-64, SHA-256 or SHA-1 for files on disk.
July 3rd, 2011· The format of language files was changed.
· Now it's possible to specify viewer program for F3 key.
· Some bugs were fixed.
· New localization: Karakalpak.
April 19th, 2011· 7-Zip now uses progress indicator displayed on a taskbar button under Windows 7.
The BUG in 7-Zip 9.21 beta was fixed:
· 7-Zip could ignore some options when you created ZIP archives.
· For example, it could use ZipCrypto cipher instead of AES-256.
April 15th, 2011· 7-Zip now uses progress indicator displayed on a taskbar button under Windows 7.
April 12th, 2011· 7-Zip now can unpack UEFI BIOS files.
· 64-bit version of 7-Zip now includes additional 32-bit shell extension DLL.
· So other 32-bit programs can call 64-bit 7-Zip via context menu.
· Now it's possible to associate 7-Zip with file types without Administrator rights.
· New -mf=FilterID switch to specify compression filter
· 32-bit 7-Zip running under 64-bit Windows now can use up to 4 GB of RAM.
· Some bugs were fixed.
· New localizations: Corsican, Kyrgyz, Ligurian.sion filter
April 4th, 2011· The bug was fixed: 7-Zip could crash in some cases, if user breaks operation with 7z archive.
April 3rd, 2011· The bug was fixed: 7-Zip File Manager could crash when opening broken archive. The code that shows status bar was changed to fix that bug.
March 28th, 2011· Zip now can unpack UEFI BIOS files.
· 64-bit version of 7-Zip now includes additional 32-bit shell extension DLL. So other 32-bit programs can call 64-bit 7-Zip via context menu.
· Now it's possible to associate 7-Zip with file types without Administrator rights.
· New -mf=FilterID switch to specify compression filter.
Examples:
· 7z a -mf=bcj2 a.7z a.tar
· 7z a -mf=delta:4 a.7z a.wav
· 7z a -mf=bcj a.tar.xz a.tar
· There are some changes in LZMA settings for BCJ2 filter. So compression ratio now is slightly improved for executable files in -mx9 mode for .7z format. - Some bugs were fixed.
· New localizations: Corsican, Kyrgyz, Ligurian.
March 21st, 2011· 7-Zip now remembers "Show Password" option selection.
· The bug in latest alpha versions was fixed: Default solid block size was small (command line version only).
March 14th, 2011· 7-Zip now supports extended timestamp range in TAR archives (dates before 1970).
· There are some changes in code that creates temp files and temp folders.
February 21st, 2011· 7-Zip now can unpack UEFI BIOS files.
· 64-bit version of 7-Zip now includes additional 32-bit shell extension DLL.
· So other 32-bit programs can call 64-bit 7-Zip via context menu.
· Now it's possible to associate 7-Zip with file types without Administrator rights.
New -mf=FilterID switch to specify compression filter. Examples:
· 7z a -mf=bcj2 a.7z a.tar
· 7z a -mf=delta:4 a.7z a.wav
· 7z a -mf=bcj a.tar.xz a.tar
· There are some changes in LZMA settings for BCJ2 filter.
· So compression ratio now is slightly improved for executable files in -mx9 mode for .7z format.
· Some bugs were fixed.
· New localizations: Corsican, Kyrgyz.
November 12th, 2010· The console version now doesn't show entered password.
November 2nd, 2010· 7-Zip now can unpack SquashFS and CramFS filesystem images.
· 7-Zip now can unpack some TAR and ISO archives with incorrect headers.
· New small SFX module for installers (in Extra package).
· Some bugs were fixed.
November 2nd, 2010· Disk fragmentation problem for ZIP archives created by 7-Zip was fixed.
November 2nd, 2010· 7-Zip now supports files that are larger than 8 GB in TAR archives.
· NSIS support was improved.
· Some bugs were fixed.
· New localizations: Hindi, Gujarati, Sanskrit.
June 21st, 2010· Some bugs were fixed.
· New localization: Tatar
June 4th, 2010· WIM support was improved.
April 15th, 2010· 7-Zip now stores NTFS file timestamps to ZIP archives.
· New additional "Open archive >" item in context menu allows to select archive type for some files.
· Some bugs were fixed.
· New localization: Uyghur.
March 25th, 2010· 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).
March 25th, 2010· 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.
January 8th, 2010· The support for installers was improved.
7-Zip now tries to open sub-file as archive in some cases:
· 1) Largest sub-file from EXE files (PE parser).
· 2) CAB sub-file from MSI archives.
· 3) data. sub-file from DEB archives.
May 4th, 2009· 7-Zip now can update solid .7z archives.
· Some bugs were fixed.
April 20th, 2009· A memory leak in LZMA2 code was fixed.
· Some bugs were fixed.
February 7th, 2009· 7-Zip File Manager now can calculate SHA-256 checksum.
· 7-Zip now can unpack ZIP archives encrypted with PKWARE-AES.
· Some bugs were fixed.
January 3rd, 2009· The bug in 7-Zip 4.63 was fixed: 7-Zip could not decrypt .ZIP archives encrypted with WinZip-AES method.
December 31st, 2008· - 7-Zip now can unpack ZIP archives encrypted with PKWARE-AES.
· - 7z File Manager now remembers "Flat View" state for archives.
· - Some bugs were fixed.
December 2nd, 2008· Some bugs were fixed.
December 27th, 2007· Small improvements in ZIP/Deflate compression
· 7-Zip was compiled by new version of C compiler
July 11th, 2007· Encryption strength for .7z format was increased. Now it uses random initialization vectors.
· Some bugs were fixed
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