P: Canvas view rotation doesn't work with scrubby zoom and natural media brushes

Canvas view rotation doesn't work properly with natural media brushes:
https://www.youtube.com/watch?v=0rZu_Z...

Scrubby zoom doesn't work well with view rotation:
https://www.youtube.com/watch?v=WqlmtC...
I zoom towards the orange spot with both a standard and rotated canvas. The view should zoom in and out of the area the drag starts at.