She selected the "Q&A" Storyboard, which worked perfectly for guiding the audience through the story of the day. Guided Editing:
iMovie 10.3.3 retains the "Magic" that makes it the industry standard for entry-level editing. It uses a non-destructive editing environment, meaning your original files are never altered. 1. The Magnetic Timeline Imovie 10.3.3
This is the headline feature. Prior to 10.3.3, iMovie relied on Intel x86 code. With 10.3.3, Apple optimized the rendering engine for the M1’s unified memory architecture. Exporting a 4K video on an M1 Mac is nearly 3x faster than on an Intel Mac of the same generation. Scrubbing through the timeline became buttery smooth. She selected the "Q&A" Storyboard, which worked perfectly
If you are stuck on macOS Mojave or High Sierra, you cannot run iMovie 10.3.3. You would need iMovie 10.1.x. With 10
: Version 10.3.3 can sometimes be restrictive with non-16:9 aspect ratios. Workarounds include using the "App Preview" project setting to edit vertical video without black bars. Helpful Resources