The developer of the open source 7-Zip archiving application, Igor Pavlov, has released the first fixed version of the 2021 application.
The new version 7-Zip 21.05 is available on the official website. You can check the version of the application you are using from the Help - About 7-Zip path
Η information of the 7-Zip app in version 21.05 is the first major stable release in some time since the last version 19.00, released in February 2019. Since then there have been several alpha and beta releases, but 21.05 is the first new stable release of the archiving application. Alpha versions for Linux and Mac OS X have been released.
The following is a list of major changes compared to the latest fixed version 19.00:
- Support for decompressing b64 files (Base64 encoding).
- 7-Zip supports SHA-1 and SHA-256 which support the new ones hardware of AMD Ryzen and Intel. This improves the performance of some functions, including encryptionand ZIP AES decryption, hash value calculations and key generation speed for encryption and decryption in 7z, ZIP and RAR files.
- Improved ZIP AES encryption and 7z, RAR and ZIP AES decryption.
- Compression time has been improved.
- The default number of LZMA2 chunks per solid blocks has been increased to 7z files, which improves the compression speed for large 7z files on devices with a large number of CPU cores.
- Speed improvements to ARM64 for AES, CRC-32, SHA-1 and SHA-256.
- Maximum dictionary size for LZMA / LZMA2 compression functions increased to 4 Gigabytes.
- The decompression speed of LZMA and LZMA2 files on ARM64, Mac OS and Linux versions has been improved by about 20-60%.
- 7-Zip can create a text file file.sha256, which contains all filenames and SHA-256 checksums. The program it can also check the file to verify the files.
Read more, and download the application
