**Reproduction steps** 1. Take brush of size 1 or 3 2. Draw straight line and make minor movements to the side 3. Finish the line 4. Undo the operation **Bug** Drawn line:  Undo:  Couldn't reproduce this bug with larger odd size or any even size.
Reproduction steps
Bug
Drawn line:
Undo:
Couldn't reproduce this bug with larger odd size or any even size.