Can't see clips moving in timeline in real time

I just updated to 25.6.6 and now when I drag clips around on the timeline, they don’t visually move until I let go.

Resetting preferences and/or clearing out temp files didn’t work. I’ve seen many threads where someone had the same issue but they’re all locked, and the solution was to delete nested clips or audio.

Nothing is nested in my project and never was. It’s a simple 5-min project with three files, the same project I’ve been using for something for a few years. I was just working with it earlier this week. Now it’s doing this after updating.

I was still on version 2024 because Premiere is the only app I use where every update either removes or breaks something in my workflow, and I end up having to revert. I’d rather not have to do that this time because for the first time, this update actually runs faster than the version I was on. Does anyone have any other ideas? Thanks!

EDITED: I restarted my computer, then reset app preferences and this time, it seems to have worked. Now the playhead doesn’t move in real time. *sigh* I’ll go through settings again or just revert.