What's New in version 19.00:

  • Encryption strength for 7z archives was increased: the size of random initialization vector was increased from 64-bit to 128-bit, and the pseudo-random number generator was improved.
  • Some bugs were fixed.

What's New in version 18.05:

  • The speed for LZMA/LZMA2 compressing was increased by 8 percent for fastest/fast compression levels and by 3 percent for normal/maximum compression levels.
  • 7-Zip now shows Properties (Info) window and CRC/SHA results window as 'list view' window instead of 'message box' window.
  • Some improvements in zip, hfs and dmg code.
  • Previous versions of 7-Zip could work incorrectly in 'Large memory pages' mode in Windows 10 because of some BUG with 'Large Pages' in Windows 10.
  • Now 7-Zip doesn't use 'Large Pages' on Windows 10 up to revision 1709 (16299).
  • The vulnerability in RAR unpacking code was fixed (CVE-2018-10115).
  • Some bugs were fixed.

What's New in version 9.20:

  • Some bugs were fixed.