Any time I have it open for any period of time it slows and slows until it is unusable and I have to restart my browser and it starts all over again.
There is a delay selecting elements if it will select them at all, a delay adding elements so sometimes a minute later I will see 5 elements pop up at once.
This has been the past couple weeks and there have been a ton of updates in that time, using the lates version of pro and Wordpress, trying to build layouts and this has not been much of a timer saver with all the slowdowns.
I am using Safari 16,3 on macOS Ventura 13.2.1
Edited to add I just reopened Safari again and it became un-usable in under 5 minutes.
I just have a single layout open in cornerstone for a custom post type that only has 2 sections with just text.