Painting near the edges of the viewport erasing some of the painted area

[izMoff]

ArmorPaint.org - v1.0 alpha (2024-12-19) - 0fa0104
Windows - Direct3D11
Name, AMD Radeon RX 580 2048SP

When edges of the brush fall outside of the viewport, that can result in tools doing something they really aren't supposed to, like blur tool in the example here erasing some of the painted area.

2024-12-22.08-49-57.mp4