This specific patch was primarily a "bug-fix" release. While the larger 15.4 update introduced major features like Speech to Text and native support for Apple M1 devices , 15.4.1 focused on: Stability Fixes:
Before installing, clear your old media cache to prevent playback glitches in the "new" old version. Adobe-Premiere-Pro-2021-15.4.1.dmg
Ensure you have Adobe-Premiere-Pro-2021-15.4.1.dmg saved locally. This specific patch was primarily a "bug-fix" release
To run version 15.4.1 smoothly, your Mac should meet these specifications: your Mac should meet these specifications: