If you are on an Intel Mac with a Radeon GPU, 10.4.5 is a stable, snappy beast. If you have an M1 MacBook Air, the "new" 10.4.5 is actually old and will run poorly via Rosetta.
Unlike newer versions, 10.4.5 can bloat your drive. Constantly delete Render Files via File > Delete Generated Library Files .
Before we edit a single frame, let’s break down the jargon.
