7-Zip 4.58 alpha 7 by Igor Pavlov

7-Zip 4.58 alpha 7 was released.

What's new after 7-Zip 4.58 alpha 6:
- 7-Zip now can unpack .lzma archives.
- RPM and NSIS support was improved.
- Some internal changes.

7-Zip for 32-bit Windows: http://www.7-zip.org/alpha/7z458a7.exe
7-Zip for 64-bit Windows x64: http://www.7-zip.org/alpha/7z458a7-x64.msi

What's new after 7-Zip 4.57:
- Some speed optimizations.
- 7-Zip now can unpack multivolume RAR archives created with "old style volume names" scheme and names *.001, *.002, ...
- 7-Zip now can unpack .lzma archives.
- Now it's possible to store file creation time in 7z and ZIP archives (-mtc switch).
- Some bugs were fixed.
- New localizations: Punjabi (Indian), Pashto.

Don't use this alpha version for important data. Call "Test" command after each compressing operation. You can post some benchmark results here. Just call: 7z b Write also some information about your CPU: CPU Type/Frequency.

The formula for decompressing rating calculation was changed in 7-zip 4.58 alpha 7.