Ability to import projects started on an iPhone or iPad (version 2.3) to finish on your Mac. How to Safely Get iMovie 10.2.5
A prompt should appear saying, "The current version requires macOS 11 or later, but you can download the last compatible version." Click Download . Troubleshooting Common Issues imovie 1025 dmg
If you have an incompatible version, drag it to the Trash (but do not empty it). Ability to import projects started on an iPhone
If you are importing from older DV camcorders via FireWire, 10.2.5 may occasionally corrupt the stream. In these cases, legacy users sometimes revert to iMovie 9.0.9 for better hardware compatibility. ICS 1-to-1 - iMovie - Google If you are importing from older DV camcorders
Though released during the transition, this version was optimized for early M1 Macs while remaining compatible with Intel processors.