135 lines
6.9 KiB
Plaintext
135 lines
6.9 KiB
Plaintext
HISTORY of the 7-Zip
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--------------------
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This file contains information about changes for latest versions of 7-Zip.
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The full changelog file can be downloaded here:
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https://7-zip.org/history.txt
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24.08 2024-08-11
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-------------------------
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- The bug in 7-Zip 24.00-24.07 was fixed:
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For creating a zip archive: 7-Zip could write extra zero bytes after the end of the archive,
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if a file included to archive cannot be compressed to a size smaller than original.
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The created zip archive is correct except for the useless zero bytes after the end of the archive.
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When unpacking such a zip archive, 7-Zip displays a warning:
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"WARNING: There are data after the end of archive".
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- The bug was fixed: there was a leak of GDI objects (internal resources in Windows)
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in "Confirm File Replace" window, causing problems after 1600 displays of "Confirm File Replace"
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window from same running 7-Zip process.
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- Some optimizations for displaying file icons in 7-Zip File Manager and in "Confirm File Replace" window.
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- Some bugs were fixed.
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24.07 2024-06-19
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-------------------------
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- The bug was fixed: 7-Zip could crash for some incorrect ZSTD archives.
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24.06 2024-05-26
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-------------------------
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- The bug was fixed: 7-Zip could not unpack some ZSTD archives.
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24.05 2024-05-14
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-------------------------
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- New switch -myv={MMNN} to set decoder compatibility version for 7z archive creating.
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{MMNN} is 4-digit number that represents the version of 7-Zip without a dot.
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If -myv={MMNN} switch is specified, 7-Zip will only use compression methods that can
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be decoded by the specified version {MMNN} of 7-Zip and newer versions.
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If -myv={MMNN} switch is not specified, -myv=2300 is used, and 7-Zip will only
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use compression methods that can be decoded by 7-Zip 23.00 and newer versions.
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- New switch -myfa={FilterID} to allow 7-Zip to use the specified filter method for 7z archive creating.
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- New switch -myfd={FilterID} to disallow 7-Zip to use the specified filter method for 7z archive creating.
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- Some bugs were fixed.
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24.04 2024-04-05
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-------------------------
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- New menu item in 7-Zip File Manager: "Tools / Delete Temporary Files...".
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This menu item opens a window showing temporary folders and files
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created by 7-Zip in the user's "Temp" folder on a Windows system.
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In this window, the user can delete temporary files.
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24.03 2024-03-23
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-------------------------
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- 7-Zip now can use new RISCV filter for compression to 7z and xz archives.
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RISCV filter can increase compression ratio for data containing executable
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files compiled for RISC-V architecture.
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- The speed for LZMA and LZMA2 decompression in ARM64 version for Windows
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was increased by 20%-60%.
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- 7-Zip GUI and 7-Zip File Manager can ask user permission to unpack RAR archives that
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require big amount of memory, if the dictionary size in RAR archive is larger than 4 GB.
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- new switch -smemx{size}g : to set allowed memory usage limit for RAR archive unpacking.
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RAR archives can use dictionary up 64 GB. Default allowed limit for RAR unpacking is 4 GB.
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- 7zg.exe (7-Zip GUI): -y switch disables user requests and messages.
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- 7-Zip shows hash methods XXH64 and BLAKE2sp in context menu.
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- -slmu switch : to show timestamps as UTC instead of LOCAL TIME.
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- -slsl switch : in console 7-Zip for Windows : to show file paths with
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linux path separator slash '/' instead of backslash separator '\'.
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- 7-Zip supports .sha256 files that use backslash path separator '\'.
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- Some bugs were fixed.
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24.01 2024-01-31
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-------------------------
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- 7-Zip now can unpack ZSTD archives (.zst filename extension).
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- 7-Zip now can unpack ZIP, SquashFS and RPM archives that use ZSTD compression method.
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- 7-Zip now supports fast hash algorithm XXH64 that is used in ZSTD.
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- 7-Zip now can unpack RAR archives (that use larger than 4 GB dictionary) created by new WinRAR 7.00.
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- 7-Zip now can unpack DMG archives that use XZ (ULMO/LZMA) compression method.
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- 7-Zip now can unpack NTFS images with cluster size larger than 64 KB.
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- 7-Zip now can unpack MBR and GPT images with 4 KB sectors.
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- Speed optimizations for archive unpacking: rar, cab, wim, zip, gz.
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- Speed optimizations for hash caclulation: CRC-32, CRC-64, BLAKE2sp.
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- The bug was fixed: 7-Zip for Linux could fail for multivolume creation in some cases.
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- Some bugs were fixed.
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23.01 2023-06-20
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- The page "Language" in 7-Zip's menu Tools/Options now shows information
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about selected translation, including the number of translated lines.
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- Some bugs were fixed.
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23.00 2023-05-07
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-------------------------
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- 7-Zip now can use new ARM64 filter for compression to 7z and xz archives.
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ARM64 filter can increase compression ratio for data containing executable
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files compiled for ARM64 (AArch64) architecture.
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Also 7-Zip now parses executable files (that have exe and dll filename extensions)
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before compressing, and it selects appropriate filter for each parsed file:
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- BCJ or BCJ2 filter for x86 executable files,
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- ARM64 filter for ARM64 executable files.
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Previous versions by default used x86 filter BCJ or BCJ2 for all exe/dll files.
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- Default section size for BCJ2 filter was changed from 64 MiB to 240 MiB.
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It can increase compression ratio for executable files larger than 64 MiB.
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- UDF: support was improved.
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- cpio: support for hard links.
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- Some changes and optimizations in WIM creation code.
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- When new 7-Zip creates multivolume archive, 7-Zip keeps in open state
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only volumes that still can be changed. Previous versions kept all volumes
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in open state until the end of the archive creation.
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- 7-Zip for Linux and macOS now can reduce the number of simultaneously open files,
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when 7-Zip opens, extracts or creates multivolume archive. It allows to avoid
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the failures for cases with big number of volumes, bacause there is a limitation
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for number of open files allowed for a single program in Linux and macOS.
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- There are optimizations in code for 7-Zip's context menu in Explorer:
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the speed of preparing of the menu showing was improved for cases when big number of
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files were selected by external program for context menu that contains 7-Zip menu commands.
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- There are changes in code for the drag-and-drop operations to and from 7-Zip File Manager.
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And the drag-and-drop operation with right button of mouse now is supported for some cases.
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- The bugs were fixed:
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- ZIP archives: if multithreaded zip compression was performed with more than one
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file to stdout stream (-so switch), 7-Zip didn't write "data descriptor" for some files.
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- ext4 archives: 7-Zip couldn't correctly extract symbolic link to directory from ext4 archives.
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- HFS and APFS archives: 7-Zip incorrectly decoded uncompressed blocks (64 KiB) in compressed forks.
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- HFS : zlib without Adler supported
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- Some another bugs were fixed.
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==
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End of document
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