Unreal Engine Issues

Nanite shadow issue in commandline rendering

YCoCg to sRGB?

Both the material and the Niagara compute shader use the same function to interpret the YCoCg color data, but the Niagara compute shader returns an incorrect color. Also found on CL: 32347737 in Re ...

Material ParticleRandom node doesn't have proper value returned in specific case

Editor crashes when using PCG SpawnActor with a DataLayer inside a Level Instance

A PCG actor is assigned to a DataLayer and placed inside a Level Instance. Then that Level Instance is placed into a World Partition map. When the SpawnActor node in the PCG graph is set to MergePCG ...

AI Pawn Sensing component cannot see and hear at the same time

Hear events are never fired while See events are fired. They are mutually exclusive, with See events taking priority if both happen. ...

Cursor Overlap events don't work on characters

Setting up mouse over events for a character do not trigger. ...

Editing a blueprint from a hidden streamed level can reset all actor transforms

When editing an actor blueprint that's inside of a hidden streamed level, the blueprint actor transform will reset to 0,0,0. There is a video that's attached to the AnswerHub post which is very use ...

Planar Reflections distorted if Separate Translucency Screen Percentage less than 100%

Planar reflections with any value lower than 100 for SeparateTranslucencyScreenPercentage are skewed/distorted when moving the camera, not representing the correct image when the value is 100. ...

ISM + WPO = broken motion vectors?

Instanced Static Meshes will have incorrect velocity if a Material uses World Position Offset. Fixed WPO in a material causes significant velocity on the ISM. This was also replicated in //UE5/Rele ...

ForEachLoop does not save structure changes in the loop body

If a ForEachLoop node is used to cycle through an Array of Structures, using the Array Element output of the Loop node to set the members of the structure does not save the changed values. Workarou ...