Hi, I'm using my MacBook Pro 13 M1 to model the project for a class in university. It was working flawless until now, every time I select any kind of wall in plan view Archicad freezes for many seconds, it doesn't happen if I select any type of object in 3D view. It happened after I've placed a bunch of doors in the project, what could it be? Ram and CPU usage is ok, again, it works without a problem if I don't select any walls in plan view...
Thank you very much for sharing the file and I am very sorry for the experience!
After checking the file, I found that: the slowness comes from the combination of Trace&Reference and Custom Pen set. If you deactivate the trace, or set the Pen set to a saved one, then the performance will be a lot better. Custom Pen set can cause unnecessary refreshes which leads to slowness.
I hope this helps you with the case. If you have any questions, feel free to ask!