Projects / p7zip / Releases

All releases of p7zip

  •  07 Jun 2009 18:44
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    Release Notes: 7za created bad archives when there were many executable files and the filter BCJ2 was used. This has been fixed. 7-Zip now supports the LZMA2 compression method, can update solid archives, and supports XZ archives.

    •  30 Nov 2008 20:47
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      Release Notes: This release supports LZMA compression for .ZIP archives. It can unpack UDF, XAR, and DMG/HFS archives. It now uses the BCJ/BCJ2 filters for executables.

      •  15 Dec 2007 21:40
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        Release Notes: A minor improvement was made in ZIP compression. Support was improved for AIX, HP-UX, and kFreeBSD.

        •  01 Sep 2007 21:23
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          Release Notes: Versions 4.48 through 4.51 could create .ZIP archives with broken files. Support was added for Linux on IBM z/Series Mainframes with s390x CPUs.

          •  01 Jul 2007 21:42
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            Release Notes: Encryption strength for the .7z format was increased. Some bugs were fixed.

            •  28 May 2007 18:28
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              Release Notes: A new fast compression mode for the Deflate method in Zip and GZip. Some bugs were fixed.

              •  21 Apr 2007 21:12
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                Release Notes: A new speed optimization was added. Fixes were made for multithreaded BZip2. p7zip for Mac OS X now always uses UTF-8 filenames. You can now benchmark p7zip with "7za b".

                •  26 Jan 2007 20:45
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                  Release Notes: Speed optimizations for LZMA, Deflate, BZip2, and unRAR. Preliminary support for HP-UX. Some fixes.

                  •  23 Sep 2006 07:27
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                    Release Notes: Multi-threading mode can now be used for compressing to .ZIP archives. WinZip-compatible AES-256 encryption is now supported for .ZIP archives. An order list (list of extensions) is now used for sorting files for compression to .7z archives, which can slightly increase compression ratio in some cases.

                    •  28 May 2006 16:07
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                      Release Notes: 7z can now unpack some installers created by NSIS.

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