Unreal Engine Issues

Light Shafts Flicker in 4.19 compared to 4.18

Per Licensee: We have noticed that the volumetric light shafts have become much more "flickery" and unstable compared to 4.18.3. This is visible in just the empty project with an unmodified engine. ...

SetControlRotation does not affect VR

Using a Set Control Rotation node does not change the camera rotation when in VR mode. ...

GeometryCollectionComponent take +1 frame to be marked as dirty

Debugging the code I have been able to verify that in GeometryCollectionComponent.cpp line:2318, the if condition happens every two frames. I think DynamicCollection is not setting all the frames a ...

Camera Shake Oscillation Duration no longer accepts -1 as indefinite

The Camera Shake Class no longer allows for indefinite shaking via setting a negative value in the Oscillation duration, per the tooltip instructions. This happens when using either the Play World ...

Windows Mixed Reality - Setting haptic to 1 and firing haptic causes editor crash

Creating a BSP modifies the default brush, adversely affecting placement of Volumes

When a new BSP is created, modifications are made to the level's default brush. These changes affect how volumes are placed, with different BSPs causing different behavior in volume placement. ...

r.MobileContentScaleFactor appears to be ignored defaulting to 1 on Mobile Devices

r.MobileContentScaleFactor = 0 should return Native Resolution; 1 should return Standard definiton; 2 shold return an High Definition Resolution. It seems that r.MobileContentScaleFactor is being i ...

Specular Isn't Affected for Materials Set to the Eye Shader If r.IrisNormal is Enabled

Specular Doesn't Affect a Material with the Eye Shader If r.IrisNormal is enabled. Found in 4.22 CL# 7053642, 4.23 CL# 8115738, 4.24 CL# 8302014 ...

Crash generating grass for landscape with XY offset map

Landscape grass map generation crashes if the landscape component in question uses an XY offset map. --------- Fatal error: [Link Removed] [Line: 646] Rendering thread exception: Fatal error: [Lin ...

5.5.4 - Morph targets 1 frame offset

Morph targets work! Yay! But found another issue. Basically import an fbx with multiple animated morph targets applied to it. The morph change shape over 1 frame and for some reason in 5.5.4, there' ...