Fix — Imovie 10.3.3

: Improved support for high-quality ProRes video files, making it easier to edit footage from professional cameras or iPhones in Cinematic mode.

If you are stuck on macOS Mojave or High Sierra, you cannot run iMovie 10.3.3. You would need iMovie 10.1.x. Imovie 10.3.3

Ultimately, iMovie 10.3.3 succeeds at its intended purpose: democratizing video editing for millions of Apple users. As one reviewer aptly noted, it serves as "a great jumping off point to learn how to edit". For the vast majority of Mac owners, it provides everything needed to create compelling videos without spending a cent. : Improved support for high-quality ProRes video files,

If you are looking for technical reports or "crash papers" regarding this version: Imovie 10.3.3