As a "point release," it did not introduce major new creative tools but addressed critical technical issues:
: Allows creators to generate lightweight copies of media for faster editing on portable systems. Cinematic Mode & 360° Editing
The 10.5.4 update primarily targeted bug fixes and optimization. For editors working on high-resolution projects, such as 4K and 8K ProRes RAW, this version ensured smoother playback and faster rendering times. It addressed critical issues where certain media files would not import correctly or where the application might hang during complex exports.
Metal-capable graphics card (Intel HD Graphics 6000 or newer / AMD / Apple Silicon) 1GB VRAM minimum for 4K and 3D work Storage 3.8GB of available disk space for the application macOS Compatibility Window