21.x.x UI lag when timeline loaded

[brian]

Description sounds consistent with some other reports:

A problem - lag

I just saw this and read the new publication. Opening different threads with the same problem without providing additional information to what you provided to the first thread does not help to better solve your problem. In my reply I suggested some strategies for you to try on your computer. did you do any of what I indicated or showed you? If so, and it didn’t work well, why didn’t you post here that the solutions provided didn’t work for you? This (the user forum), is a dynamic thing. In ma…

Extreme lag (in Preview) to the point of unusability in Shotcut

Hi @ejmillan. Reading this makes me think that maybe the only reason I noticed a performance improvement was because changing the display method requires to restart Shotcut.

Do you see any difference if you disable audio waveforms in the timeline?