p7zip Changelog

What's new in p7zip 9.04

Jun 7, 2009
  • From Windows version of 7-zip 9.04 :
  • 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.
  • New -scrc switch to calculate total CRC-32 during extracting / testing.
  • Some bugs were fixed.
  • #2799966 " A newly created 7z archive (by p7zip 4.65) is broken and cannot be unpacked / listed / tested"
  • Fixed : now "7za a -mx=9 archive.7z directory" creates a good archive even
  • if there are a lot of executable files.
  • Fixed : the RAM size was reported incorrectly on MacOSX 64bits (with 2Gb+ RAM)
  • #2798023 "segfault handling very large multivolume .7z file"
  • p7zip now displays the following error "Error: Too many open files"
  • if you don't have enough rights to open all the splitted files
  • ( on Linux : ulimit -n)

New in p7zip 4.61 (Dec 1, 2008)

  • 7-Zip now supports LZMA compression for .ZIP archives.
  • Ask for password twice when creating encrypted archive
  • 7zG added (read GUI/readme.txt)
  • p7zip didn't use the BCJ /BCJ2 filters for executables (:
  • makefile.linux_amd64_asm_icc added (tested with Intel Compiler 11 on Ubuntu 8.04 x64)
  • 7-Zip now can unpack UDF, XAR and DMG/HFS archives.
  • It's allowed to use -t switch for "list" and "extract" commands.
  • Bug : wrong timestamp for files extracted from .zip or .rar archives