Hello, I have been experiencing this problem since I installed NeBSD on my intel Nuc 8i7BEH (Same 10.0_RC1, RC2 and RC3).
When I place mouse pointer over the edges or corners of xorg windows to resize them (same XFCE and CTWM), mouse pointer icon starts to show garbage drawing until it ends well shaped after 1 or 2 seconds. I can live with it but it is very annoying to resize windows. I do not know if I have to fill a bug PR. Thanks in advance. Ramiro.