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7-Zip 18.01 changelog

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7-Zip 18.01 brings the following changes:

  • Minor speed optimization for LZMA2 (xz and 7z) multi-threading compression.
    7-Zip now uses additional memory buffers for multi-block LZMA2 compression.
    CPU utilization was slightly improved.
  • 7-zip now creates multi-block xz archives by default. Block size can be
    specified with -ms[Size]{m|g} switch.
  • xz decoder now can unpack random block from multi-block xz archives.
    7-Zip File Manager now can open nested multi-block xz archives
    (for example, image.iso.xz) without full unpacking of xz archive.
  • 7-Zip now can create zip archives from stdin to stdout.
  • ZIP unpacking code was improved.
  • 7-Zip now can unpack OBJ/COFF files.
  • 7-Zip now can unpack DMG archives that use LZFSE compression method.
  • 7-Zip now doesn't allow update operation for archives that have read-only attribute.
  • 7-Zip command line: @listfile now doesn't work after -- switch.
    Use -i@listfile before -- switch instead.
  • new -sse switch to stop archive creating, if 7-Zip can't open some input file.
  • 7-Zip now reserves file space before writing to file (for extraction from archive).
    It can reduce file fragmentation.
  • Internal changes in code.
  • The BUGs were fixed:
    7-Zip could add unrequired alternate file streams to WIM archives,
    for commands that contain filename wildcards and -sns switch.
    Extracting from tar with -si switch didn't set timestamps for directories.
  • Some bugs were fixed. 7-Zip could crash in some cases.

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