Go into preferences and reduce the number of undos.

That should speed up several functions.

By different it remembers the last 100 things you did. If that includes adding and deleting props and figures - it has to remember what was added and deleted. If it includes making morphs... well, you're going to be shooting your Ram out the window on that one...

I'm still at 100, but I've read that people are getting improvements from cutting it down, and plan to try it myself tomorrow.

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