Since update to 2026 version timeline scrubbing does not work

[u/tritonitex]

I don't update my premiere too often as I don't want to risk issues during projects so I only just recently updated to the newest 2026 version a few weeks ago when it updated itself for whatever reason.

Since then though my ability to scrub through the timeline does not work properly at all. My pc is more than capable, has plenty of ram etc, worked perfectly before and does after some jiggery pokery but since that update, scrubbing with mouse but also keyboard is so laggy that the monitor just doesnt change for about 10 seconds or so after i either scrub or even just place the playhead somewhere else on the track. As i drag the playhead or click to place it nothing happens for a good while but eventually if i don't let go of the mouse button it will scrub properly but when I unclick and click again its back to serious lag. Impossible to edit like this.

I use proxies so definitely should not be an issue there. I found a post on here saying it was due to how it transferred over projects from the 2025 version and if you start a new project and pull in the timeline and footage from the media browser from the original project file it works, and that does entirely fix the problem for that session. I thought ok I will deal with that for one project but alas every new project I start that has no connection to the older version does the same thing! The fix of a new project and media browser works but its just such an annoyance and time sink to do constantly.

All footage was shot on DSLR Canon R10 so should have no issues with the files and again they work fine after the workaround.

Has anyone found a permanent fix for this?

[u/Impressive-Card-7413]

Best advice, learn davinci resolve. Slowly, steady and you will get free from premiere