Created attachment 132778 [details] Artifacting example When in the process of drawing a freehand selection, it can create 'artifacting' if a guide ruler also draws a line over the cursor position. Attached is an example. How to reproduce: Add some vanishing point guides create a freehand selection and take note of the area surrounding the cursor position. Version: 4.4.1-alpha (git 6b4d1ed)
Sounds similar to bug 427833 - most probably cause is the same.
These are not 'Guides', they are Painting Assistants, which are different things. *** This bug has been marked as a duplicate of bug 427658 ***