There's something in the PreserveMapScene that breaks other plugins as soon as one is turned off. It would be great if there's a workaround to that. I'm not sure what the main thing is.
Viewing post in Prevent lag on close menu for MV/Z comments
I'm unable to make a demo, but DKTools seems to be the main issue. I didn't edit the default parameters.
https://www.dropbox.com/scl/fi/vhtk0l9h8b8mlhfs786st/DKTools.js?rlkey=6ai4tenqf5...