After updating to cura 4. when launching the app, all I get is beachball (mac os) and fans on high.
Removing every file that I can find on my machine that has cura in the name, and relaunching a fresh download lets me add my printer, but it will beachball before I can interact with it.
tried going back to cura 3.6, it does the same thing now.
so glad my new 3d printer arrives tomorrow, and I have a great slicer to use right away.... or not.