7-Zip 9.04 beta was
released What's new after 7-Zip 4.65:
- 7-Zip now can update solid .7z archives.
- 7-Zip now supports LZMA2 compression method.
- 7-Zip now supports XZ archives.
- 7-Zip now can unpack NTFS, FAT, VHD and MBR archives.
- 7-Zip now can unpack GZip, BZip2, LZMA, XZ and TAR archives from stdin.
- 7-Zip now can open/copy/compress disk images (like \\.\c:) from \\.\ folder.
- 7-Zip File Manager now doesn't use temp files to open nested archives stored without compression.
- New -scrc switch to calculate total CRC-32 during extracting / testing.
- New -scc{WIN|DOS|UTF-8} switch to specify charset for input/output (default = DOS).
- Some bugs were fixed.
Don't use this beta version for important data. Call "Test" command after each compressing operation.
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LZMA SDK 9.04 beta was
released Changes:
- LZMA2 compression method support
- xz format support
lzma904.tar.bz2
и ещё раз о главном:
что нового в LZMA2? LZMA2 provides the following advantages over LZMA:
1) Better compression ratio for data than can't be compressed. It can store such blocks of data in uncompressed form. Also it decompresses such data faster.
2) Better multithreading support. If you compress big file, LZMA2 can split that file to chunks and compress these chunks in multiple threads.