you can simply copy the content of your plugin folder (2023) into the new plugin folder (2024)
it was already the case, but if some extensions didn’t play ball, SU could crash.
now, if some extensions require updating or reinstalling, SU will tell you on launch. And you will just have to deal with these few.
(or if you use sketchucation, you can simply install it and download your extension package there. that’s the same process but with an interface. and on restart you’ll know if some extensions don’t work)