X-Git-Url: http://git.osdn.jp/view?p=sevenzip%2F7-Zip.git;a=blobdiff_plain;f=www.7-zip.org%2Fhistory.txt;h=37a46d7ae1db0a532c07e9a37d0b19b8089b0f62;hp=fec3e8f2f7e35376979a4821fe38df74cf3eab24;hb=HEAD;hpb=ce722bcc0d01739d41827e6c9f795fc63ca7df6d diff --git a/www.7-zip.org/history.txt b/www.7-zip.org/history.txt index fec3e8f..37a46d7 100644 --- a/www.7-zip.org/history.txt +++ b/www.7-zip.org/history.txt @@ -1,7 +1,142 @@ HISTORY of the 7-Zip -------------------- -16.00 2016-05-10 +20.00 alpha 2020-02-06 +------------------------- +- 7-Zip now supports new optional match finders for LZMA/LZMA2 compression: bt5 and hc5, + that can work faster than bt4 and hc4 match finders for the data with big redundancy. +- The compression ratio was improved for Fast and Fastest compression levels with the + following default settings: + - Fastest level (-mx1) : hc5 match finder with 256 KB dictionary. + - Fast level (-mx3) : hc5 match finder with 4 MB dictionary. +- Minor speed optimizations in multithreaded LZMA/LZMA2 compression for Normal/Maximum/Ultra + compression levels. +- bzip2 decoding code was updated to support bzip2 archives, created by lbzip2 program. +- Some bugs were fixed. +- New localization: Turkmen. + + +19.02 alpha 2019-09-05 +------------------------- +- 7-Zip now can unpack files encoded with Base64 encoding (b64 filename extension). +- 7-Zip now can use new x86/x64 hardware instructions for SHA-1 and SHA-256, supported + by AMD Ryzen and latest Intel CPUs: Ice Lake and Goldmont. + It increases + - the speed of SHA-1/SHA-256 hash value calculation, + - the speed of encryption/decryption in zip AES, + - the speed of key derivation for encryption/decryption in 7z/zip/rar archives. +- The speed of zip AES encryption and 7z/zip/rar AES decryption was increased with + the following improvements: + - 7-Zip now can use new x86/x64 VAES (AVX Vector AES) instructions, supported by + Intel Ice Lake CPU. + - The existing code of x86/x64 AES-NI was improved also. +- There is 2% speed optimization in 7-Zip benchmark's decompression. +- Some bugs were fixed. + + +19.00 2019-02-21 +------------------------- +- Encryption strength for 7z archives was increased: + the size of random initialization vector was increased from 64-bit to 128-bit, + and the pseudo-random number generator was improved. +- Some bugs were fixed. + + +18.06 2018-12-30 +------------------------- +- The speed for LZMA/LZMA2 compressing was increased by 3-10%, + and there are minor changes in compression ratio. +- Some bugs were fixed. +- The bug in 7-Zip 18.02-18.05 was fixed: there was memory leak in xz decoder. +- 7-Zip 18.02-18.05 used only one CPU thread for bz2 archive creation. + + +18.05 2018-04-30 +------------------------- +- The speed for LZMA/LZMA2 compressing was increased + by 8% for fastest/fast compression levels and + by 3% for normal/maximum compression levels. +- 7-Zip now shows Properties (Info) window and CRC/SHA results window + as "list view" window instead of "message box" window. +- Some improvements in zip, hfs and dmg code. +- Previous versions of 7-Zip could work incorrectly in "Large memory pages" mode in + Windows 10 because of some BUG with "Large Pages" in Windows 10. + Now 7-Zip doesn't use "Large Pages" on Windows 10 up to revision 1709 (16299). +- The vulnerability in RAR unpacking code was fixed (CVE-2018-10115). +- Some bugs were fixed. + + +18.03 beta 2018-03-04 +------------------------- +- The speed for single-thread LZMA/LZMA2 decoding + was increased by 30% in x64 version and by 3% in x86 version. +- 7-Zip now can use multi-threading for 7z/LZMA2 decoding, + if there are multiple independent data chunks in LZMA2 stream. +- 7-Zip now can use multi-threading for xz decoding, + if there are multiple blocks in xz stream. +- New localization: Kabyle. +- Some bugs were fixed. + + +18.01 2018-01-28 +------------------------- +- 7-Zip now can unpack DMG archives that use LZFSE compression method. +- 7-Zip now doesn't allow update operation for archives that have read-only attribute. +- The BUG was fixed: + extracting from tar with -si switch didn't set timestamps for directories. +- Some bugs were fixed. + + +18.00 beta 2018-01-10 +------------------------- +- 7-Zip now can unpack OBJ/COFF files. +- new -sse switch to stop archive creating, if 7-Zip can't open some input file. +- Some bugs were fixed. + + +17.01 beta 2017-08-28 +------------------------- +- Minor speed optimization for LZMA2 (xz and 7z) multi-threading compression. + 7-Zip now uses additional memory buffers for multi-block LZMA2 compression. + CPU utilization was slightly improved. +- 7-zip now creates multi-block xz archives by default. Block size can be + specified with -ms[Size]{m|g} switch. +- xz decoder now can unpack random block from multi-block xz archives. + 7-Zip File Manager now can open nested multi-block xz archives + (for example, image.iso.xz) without full unpacking of xz archive. +- 7-Zip now can create zip archives from stdin to stdout. +- 7-Zip command line: @listfile now doesn't work after -- switch. + Use -i@listfile before -- switch instead. +- The BUGs were fixed: + 7-Zip could add unrequired alternate file streams to WIM archives, + for commands that contain filename wildcards and -sns switch. + 7-Zip 17.00 beta crashed for commands that write anti-item to 7z archive. + 7-Zip 17.00 beta ignored "Use large memory pages" option. + + +17.00 beta 2017-04-29 +------------------------- +- ZIP unpacking code was improved. +- 7-Zip now reserves file space before writing to file (for extraction from archive). + It can reduce file fragmentation. +- Some bugs were fixed. 7-Zip could crash in some cases. +- Internal changes in code. + + +16.04 2016-10-04 +------------------------- +- The bug was fixed: 7-Zip 16.03 exe installer under Vista didn't create + links in Start / Programs menu. +- Some bugs were fixed in RAR code. + + +16.03 2016-09-28 +------------------------- +- Installer and SFX modules now use some protection against DLL preloading attack. +- Some bugs were fixed in 7z, NSIS, SquashFS, RAR5 and another code. + + +16.02 2016-05-21 ------------------------- - 7-Zip now can extract multivolume ZIP archives (z01, z02, ... , zip). - Some bugs were fixed.