For some reason, if I try to make a Standard or Custom 1-Layer PCB and select 1-Layer options from the Stackup Editor, the 2D editor stops working. I can see it in 3D (although it is slower to load) but the 2D one is completely non responsive to all commands.
Giulio Zausa
Hi @Hero Yu, thanks for the bug report! The issue should be fixed now, let me know if you still have problems.