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Version history for 7-Zip
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Changes for v9.21 Beta - v9.22 beta
- 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.
Changes for v9.20 - v9.21 Beta
- - 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
- - 32-bit 7-Zip running under 64-bit Windows x64 now can use up to 4 GB of RAM.
- - Some bugs were fixed.
- - New localizations: Corsican, Kyrgyz, Ligurian.
Changes for v9.19 Beta - v9.20
- Some bugs were fixed.
Changes for v9.18 Beta - v9.19 Beta
- The console version now doesn't show entered password.
- Some bugs were fixed.
Changes for v9.17 Beta - v9.18 Beta
- 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.
Changes for v9.16 Beta - v9.17 Beta
- Disk fragmentation problem for ZIP archives created by 7-Zip was fixed.
Changes for v9.15 Beta - v9.16 Beta
- 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.
Changes for v9.14 Beta - v9.15 Beta
- Some bugs were fixed.
- New localization: Tatar
Changes for v9.13 Beta - v9.14 Beta
- WIM support was improved.
Changes for v9.12 Beta - v9.13 Beta
- 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.
Changes for v9.11 Beta - v9.12 Beta
- 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).
Changes for v9.09 Beta - v9.10 Beta
- The BUG in 7-Zip 9.09 beta was fixed: 7-Zip created incorrect ZIP archives, if ZipCrypto encryption was used.
Changes for v9.07 Beta - v9.09 Beta
- 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.
Changes for v9.06 Beta - v9.07 Beta
- It's possible to specify Diff program in options (7-Zip File Manager).
- Some bugs were fixed.
Changes for v4.64 - v4.65
- 7-Zip File Manager now can calculate SHA-256 checksum.
- Some bugs were fixed.
Changes for v4.63 - v4.64
- The bug in 7-Zip 4.63 was fixed: 7-Zip could not decrypt .ZIP archives encrypted with WinZip-AES method.
Changes for v4.62 - v4.63
- 7-Zip now can unpack ZIP archives encrypted with PKWARE-AES.
- Some bugs were fixed.
Changes for v4.61 Beta - v4.62
- Some bugs were fixed.
Changes for v4.60 Beta - v4.61 Beta
- 7-Zip now supports LZMA compression for .ZIP archives.
- Some bugs were fixed.
- New localization: Sinhala.
Changes for v4.59 Beta - v4.60 Beta
- Some bugs were fixed.
Changes for v4.58 Beta - v4.59 Beta
- 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.
Changes for v4.57 - v4.58 Beta
- Some speed optimizations.
- 7-Zip now can unpack .lzma archives.
- Unicode (UTF-8) support for filenames in .ZIP archives. Now there are 3 modes:
- Default mode: 7-Zip uses UTF-8, if the local code page doesn't contain required symbols.
- -mcu switch: 7-Zip uses UTF-8, if there are non-ASCII symbols.
- -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.
Changes for v4.56 Beta - v4.57
- The BUG in command line version was fixed: -up3 switch could work incorrectly.
Changes for v4.55 Beta - v4.56 Beta
- Some bugs were fixed.
Changes for v4.53 Beta - v4.55 Beta
- Some bugs were fixed.
- Decompression speed was increased.
Changes for v4.52 Beta - v4.53 Beta
- Interface improvements
- Some bugs were fixed
Changes for v4.51 Beta - v4.52 Beta
- 7-Zip now can unpack Compound files (msi, doc, ...).
- Some bugs were fixed.
Changes for v4.50 Beta - v4.51 Beta
- Bug was fixed: 7-Zip 4.50 beta could not open some .7z archives.
Changes for v4.49 Beta - v4.50 Beta
- New switch for command line version: -ssc[-] enables/disables case-sensitive mode for file names.
- Speed optimizations for AES encryption.
- Some bugs were fixed.
Changes for v4.48 Beta - v4.49 Beta
- 7-Zip now can unpack WIM archives
- 7-Zip now replaces incorrect characters in filenames during extracting.
Changes for v4.47 Beta - v4.48 Beta
- Encryption strength for .7z format was increased. Now it uses random initialization vectors.
- Some bugs were fixed.
Changes for v4.46 Beta - v4.47 Beta
- Some bugs were fixed
Changes for v4.45 Beta - v4.46 Beta
- 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.
Changes for v4.44 Beta - v4.45 Beta
- Speed optimizations

