Operating system: Windows-10-10.0.19041-SP0 64 Bits
Graphics card: GeForce RTX 2060/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 457.30
Broken: version: 3.0.0 Alpha, branch: master, commit date: 2021-04-23 20:25, hash: rB17fca62fff9b
Short description of error
Grease pencil. Inverse fill leaves unwanted line at viewport edge.
Exact steps for others to reproduce the error
- Open attached .blend
- hold ctrl and click outside the box shape to fill it
- Zoom out. An unwanted vertical line has appeared where the left-hand boundary of the viewport was.