: Version 2.3 is optimized for operations involving thousands of small files, making it a faster choice for developers or data scientists. Release notes: ARCH 2.3 - ARCH Support - Zendesk
According to the latest release notes , the following updates were added in 2.3:
: Unpack individual files or folders rather than the entire archive.
: Version 2.3 preserves item creation dates when packing or unpacking archives. Performance Tips
: Preview archive contents directly from the Finder by pressing the Space bar .