7-Zip 18.00 Beta (32-bit)

- Some speed optimizations.
- 7-Zip now can unpack .lzma archives.
- Unicode (UTF-8) support for filenames in .ZIP archives. Now there are 3 modes:
1) Default mode: 7-Zip uses UTF-8, if the local code page doesn't contain required symbols.
2) -mcu switch: 7-Zip uses UTF-8, if there are non-ASCII symbols.
3) -mcl switch: 7-Zip uses local code page.
- Now it's possible to store file creation time in 7z and ZIP archives (-mtc switch).
- 7-Zip now can unpack multivolume RAR archives created with
"old style volume names" scheme and names *.001, *.002, ...
- Now it's possible to use -mSW- and -mSW+ switches instead of -mSW=off and -mSW=on
- Some bugs were fixed.
- New localizations: Punjabi (Indian), Pashto.

- The BUG in command line version was fixed: -up3 switch could work incorrectly.

- Some bugs were fixed.

- Some bugs were fixed.

- Decompression speed was increased.

- "Test" and "Info" buttons now work for open archives.
- The bug in 7-Zip 4.48 - 4.52 beta was fixed:
7-Zip could create .ZIP archives with broken files.
- Some bugs were fixed.

- 7-Zip now can unpack Compound files (msi, doc, ...).
- Some bugs were fixed.

- Bug was fixed: 7-Zip 4.50 beta could not open some .7z archives.

- New switch for command line version:
-ssc[-] enables/disables case-sensitive mode for file names.
- Speed optimizations for AES encryption.
- Some bugs were fixed.

- 7-Zip now can unpack WIM archives
- 7-Zip now replaces incorrect characters in filenames during extracting.

- Encryption strength for .7z format was increased.
Now it uses random initialization vectors.
- Some bugs were fixed.

- Bugs of 7-Zip 4.46 beta were fixed: BZip2 could work incorrectly.

- New fast compression mode for Deflate method in Zip and GZip.
- New "Compress shared files" option in GUI and -ssw switch.
- Some bugs were fixed.
- New localization: Norwegian Nynorsk.

- Now it's possible to specify the size of solid block and the number
of CPU threads in "Add to archive" dialog box.
- Default dictionary size was increased: Normal: 16 MB, Max: 32 MB.
- Speed optimizations.
- Benchmark was improved (new "b" command in command line version).
- The number of DLL files was reduced.
- Now it's possible to associate 7-zip with combined types like .tbz2
- switch -mhcf=off is not supported now.
- If -t{Type} switch is not specified, 7-Zip now uses extension of archive to
detect the type of archive.
- Some bugs were fixed.
- New localization: Welsh.

- Speed optimizations for LZMA, Deflate, BZip2 and unRAR.
- 7-Zip now supports file pathnames longer than 260 characters.
- Some bugs were fixed.
- New localizations: Bangla, Bashkir, Nepali.