Unreal Engine Issues

Fixing a Blueprint's compilation error after editor reload causes instances to lose transform

Saving and reloading a Blueprint instance with a compilation error, a.k.a., "Bad Blueprint" will lead to a transform reset when the Blueprint is successfully recompiled. ...

Light shaft bloom oscillating with TAA/TSR

AActor::CheckActorComponents has misleading warning

There's actually two issues going on here: 1. The REINST references are incorrect, and due to [Link Removed]. 2. Blueprint created components will always have different names between the instance ...

Legacy Input mappings and Gameplay Debug Mappings cannot "consume" Enhanced Input actions

Cable Actor becoming stiff when bound to two dynamic objects

the cable actor does not dynamically deform when the cable actor's parent mesh moves. Instead, the cable actor becomes rigid between the meshes it's bound between. This bug does not occur in the fo ...

Per Instance Random node not working in material layer

Licensees report that the definition of the USES_PER_INSTANCE_RANDOM macro only considers it in the context of the base material.  As a result Per Instance Random used only in material layers does n ...

Sound Attenuation settings do not function when Allow Spatialization is False

Override Sound Attenuation setting does not work, Sound will play at max volume regardless of distance between source and observer. ...

GAS: FGameplayEffectCustomExecutionParameters constructor generates a new FActiveGameplayEffectHandle that is not removed from a global static map until map change

Created based on user report. The constructor of FGameplayEffectCustomExecutionParameters generates a FActiveGameplayEffectHandle that gets put in GlobalActiveGameplayEffectHandles::Map and stays t ...

Hardware Accelerated Video Decoding with DirectX 11 causes videos to render black when loaded in a Media Player

This is not a regression. Tested in //UE5/Release-5.2 CL26001984. Hardware Accelerated Video Decoding requires DirectX 11, but it appears the combination causes media players to only render a black ...

UDataTableFunctionLibrary::AddDataTableRow() fails for blueprint-defined row structure types

The editor-scripting blueprint node "Add Data Table Row" fails when the Data Table uses a Row Structure that was defined in blueprint. Internally, it checks if the passed-in UScriptStruct is derived ...