7-Zip 9.12 beta Released
7-Zip 9.12 beta and LZMA SDK 9.12 beta were released on 24 March 2010, 9 days after the release of 9.11 beta.
Changes for 7-Zip 9.12 beta
- ZIP / PPMd compression ratio was improved in Maximum and Ultra modes.
- The BUG in 7-Zip 9.* beta was fixed: LZMA2 codec didn’t work, if more than 10 threads were used (or more than 20 threads in some modes).
LZMA SDK 9.12 beta fixed some bugs.
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7-Zip program is an open source file compression software for Microsoft Windows. 7-Zip operates with the 7z archive format, and can read and write to several other archive formats, such as ZIP, gzip, bzip2, tar and, in betas for version 9, xz. Its 7z compressed archive file format supports several different data compression, encryption and pre-processing filters.
Current stable version is 7-Zip 4.65. 7-Zip is publicly available for free under the terms of the GNU Lesser General Public License. The program can be used on any computer, including a computer in a commercial organization, and no registration is required.
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