7-Zip

看起来是一个非常小的 bug 修复：The BUG in command line version was fixed: -up3 switch could work incorrectly.

自己也没有说具体有什么更新，只是一句 "Some bugs were fixed."

7-Zip 4.55 beta 修正了一些bug，release notes 语焉不详

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7-Zip 的这个版本提高了解压缩的性能，没有其他 bugfix

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7-Zip 该版本解决如下问题：

- "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.

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7-Zip 隔了十天又发布 4.52 beta

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

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7-Zip 自 4.50 后紧急发布了 4.51

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

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

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图形压缩工具 7-Zip 发布了一个新版本，请更新。

变化包括：
1. 支持 WIM 格式的解压
2. 解压过程中如果碰到不正确的字符，则会替换之

7-Zip 是 WinZip/WinRAR 的有力竞争者。

4.46 Changes:
- 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.

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

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类似 WinRAR，胜似 WinRAR 的 7-Zip 发布了 4.45 beta

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- 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.