The company says the improvement is most noticeable when unzipping ZIP files containing thousands of small files.

Mark of the Web is a security feature in Windows that flags files downloaded ... prompting users to confirm before opening such files. 7-Zip added support for MotW in June 2022, in version 22. ...

Though 7-Zip probably still beats Windows 11's native file archiving performance, in terms of file support though, the former is lagging and is having to play catch-up. With beta version 24.01 ...