Unreal Engine Issues

MAC: UE4 Editor crashes in gldReadTextureData on Nvidia 330M

A user is reporting semi-regular crashes on his MBP 6,2, with Nvidia 330M GPU. This is a GL 3.3 GPU which we don't routinely test against, he may have the 256 or 512MB model, but this is unclear. T ...

Cursor disappears and reappears when creating a selection box while zoomed

When zoomed all the way in, the selection box does not show up where you originally clicked. The selection box appears where your mouse cursor reappears. ...

AmbientOcclusion doesn't work properly on orthogonal projection camera

Mouse dragging cursor accelerates significantly on Mac

This also occurs in 4.14.3 This does not occur on Windows. Could not get this issue to reproduce while recording the screen with quicktime player, but if you experience it in person it really feel ...

Clipping bsp brush rotates clipped face on brushes that have their X,Y,Z values altered

If a bsp brush is rotated, then the brush clipping feature is used the "Brush Clipping" feature will rotate the created face by 90 degrees or disappear entirely (if set at an angle). ...

Level Bounds Calculated Incorrectly when using Particle System Components

If an Actor blueprint contains a particle system component (PSC), the Level bounds behave differently based on if the particle template is / is not Null. If the template is Null, Level Bounds stret ...

Sprite collision is inaccurate

Sprite collisions do not accurately reflect the collision for the sprite. While the collisions are always the same between two of these, the collisions do not correspond to the shape of the collisio ...