Unreal Engine Issues

Flickering shadows/GI when DrawMaterialToRenderTarget is called per tick in PIE

When DrawMaterialToRenderTarget function is called on tick and actors are spawned in game, the lumen shadow/GI visually flickers. Debugging shows that the lumen screen probes are flickering as well. ...

UGS bug when Reading Column Weights from Config Files

OCIO + nDisplay not producing expected output in Disguise

Based on [Link Removed] OCIO + nDisplay not producing expected output The issue is just that when using UE 5.6 or later the resulting colour looks off compared to what 5.5 and pevious versions wou ...

Montage keyframes calculation error

Animations are not showing proper length when converted to Montage. Up to 98 frames (AFAIK) when converted to Montage, the Montage will show the correct number of keys. However, a 100-frame anima ...

Transition Screen Size does not affect LODActors

Transition Screen Size doesn't seem to affect when LODActors are added to the level. This was occurring before Dev-Framework's merge into Main at CL 3198987. ...

Particle light module doesn't work if forward rendering is enabled

There's a UDN link below, the second images in the thread shows this problem. It should be noted that the light module will cast light in forward rendering if "High Quality Lights" is checked in the ...

Asset referencing error on a Python Pipeline Asset

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Using a Shading Model node set to Unlit results in an invalid material with FromExpression domain

Create a materialSet its domain to From ExpressionRecreate the node graph as in the screenshot Note that the preview sphere is black. ...

Landscape Layer Painting issues when painting near the edge of delete Landscape Proxies.

It appears that the landscape painting tool is not correctly taking into account deleted landscape sections, resulting in artifacts inside of the weight textures. ...

IOS mouse pointer / cursor support