New
21.02
21.02 alpha 2021-05-06
- 7-Zip now writes additional field for filename in UTF-8 encoding to zip archives. It allows to extract correct file name from zip archives on different systems.
- The command line version of 7-Zip for macOS was released.
- The speed for LZMA and LZMA2 decompression in arm64 versions for macOS and Linux was increased by 20%-60%.
- Some changes and improvements in ZIP, TAR and NSIS code.
21.01 alpha 2021-03-09
- The command line version of 7-Zip for Linux was released.
- The improvements for speed of ARM64 version using hardware CPU instructions for AES, CRC-32, SHA-1 and SHA-256.
- The bug in versions 18.02 - 21.00 was fixed: 7-Zip could not correctly extract some ZIP archives created with xz compression method.
- Some bugs were fixed.
20.02 alpha 2020-08-08
- The default number of LZMA2 chunks per solid block in 7z archive was increased to 64. It allows to increase the compression speed for big 7z archives, if there is a big number of CPU cores and threads.
- The speed of PPMd compressing/decompressing was increased for 7z/ZIP/RAR archives.
- The new -ssp switch. If the switch -ssp is specified, 7-Zip doesn't allow the system to modify "Last Access Time" property of source files for archiving and hashing operations.