Bug? Designer hungs sometimes

[peacemaker]

B4A 7.01 (and previous was rarely the same), Win 10 Home 64bit.
Seems, it is with rather big projects, with 10+ layouts with many views, but not sure.

 

[Erel]

See this: https://www.b4x.com/android/forum/threads/b4a-6-3-freezed-on-designer.71579/#post-455326