Hi sometime ago i discovered bug in pallette docker when we want to delete custom pallette Krita is kicked to desktop.
My specs:
Intel i7 4790
16 Gb Ram
RX 580 8 Gb
here is short video of problem i made hope it will help, i'm using Krita 4.01
https://drive.google.com/open?id=18JymX ... R6h7c3sSlb