Unreal Engine Issues

Material does not render correctly when launched with Cook on the fly

This issue seems to occur when using Cook on the fly on a Material that is branched on the Static switch. This issue also seems to occur on the console. Regression = Yes, issue is not reproduced // ...

Actor channel unable to go dormant if replication key is not changed

If the subobject's RepKey is not updated after setting the actor to go dormant, then the subobject won't be replicated. This causes FObjectReplicator::ReadyForDormancy to return false for the subobj ...

Camera manager will not tick if the game is paused on begin play or possessed events

This is an interesting bug because it is only happening on BeginPlay. I guess that there is some order of operations that the camera manager uses during creation that will stop if the game is paused ...

When the camera is set as a child actor and the Look at of the camera is set to the parent, the transformation keeps changing.

Mesh LOD Coloration mode does not work with EyeAdaptation node

"Primitives with unbuilt interactions" not clearing after lighting scene rebuild

Regression No, according to affect version 4.26 and 4.27 [2021.10.29-17.01.06:085][830]Primitives with unbuilt interactions: 6[2021.10.29-17.01.06:085][830] Primitive FoliageInstancedStaticMeshComp ...

Input consumed by a widget's action binding can be skipped if using key modifiers

The following code in UPlayerInput::GetChordsForKeyMapping is at fault for this:  !(KeyMapping.bAlt || KeyMapping.bCtrl || KeyMapping.bShift || KeyMapping.bCmd || ActionBinding.KeyEvent == EInputEv ...

Crash when reimporting SkeletalMesh with custom LOD

In the case of "Reimport Base Mesh + LODs", there is no crash. ...

Travelling between two levels that share a sublevel will not update the positions of those actors in that sublevel

If you travel between two levels that both share the same sublevel then the actors within that shared sublevel will not update their positions regardless of their positions being saved at different ...

MoviePipeline: Can't inherit from UMoviePipelineSetting in BP due to PURE_VIRTUAL

IsValidOnMaster/IsValidOnShot need to be BlueprintNativeEvents with a default C++ implementation and allow derived classes to override the function. This is needed so that you can create custom set ...