Unreal Engine Issues

Crash when precaching PSOs for decals from non-game thread

During async loading from an AsyncLoading thread, DecalComponent attempts to precache PSOs which can trigger a checkf in StrongObjectPtr.h which are only allowed to be created on a game thread. ...

Ray traced shadow appears for translucent material after LOD change

When ray-traced shadows are enabled, the shadow for a completely translucent mesh appears when the LOD changes based on distance. ...

Default Data Wire Thickness in the Editor Preferences only affects Single Value data wires. Containers (Array, Set, Map) line thickness are wrongly tied to Default Execution Wire Thickness.

Changing the "Editor Preferences > Content Editors > Graph Editors > Tracing > Default Data Wire Thickness" value in the "Editor Preferences" only affects single value data wires. Containers (Array, ...

"Assertion failed: CellIndex < CellIndexMax" when there are a lot of HISM foliage in a level

Users have come across an issue in 5.4 that causes an assert when many foliage or HISM objects are placed in a level due to a cell size limit. ...

GAS: Creating an UGameplayEffectUIData blueprint will lead to a failed Data Validation

The logic for data validation on UGameplayEffectComponent expects it to be owned by a UGameplayEffect. Any Blueprint derived from UGameplayEffectUIData (child of UGameplayEffectComponent) fails this ...

Regression: Asset Action Utility "Supported Classes" setting is not working correctly when "IsActionForBlueprints" is true

When creating an Editor Utility Blueprint derived from "Asset Action Utility", UE allows the user to override function "IsActionForBlueprints". When it returns true, the "Supported Classes" setting ...

UE 5.4.3 Android - Unable to Use Console Command with bShowLaunchImage=False

Callback set with AddNativeStateEntryBinding() stops working after ABP compile during PIE

After compiling the Animation Blueprint (ABP) during Play In Editor (PIE), the callback registered with UAnimInstance::AddNativeStateEntryBinding() in NativeInitializeAnimation() stops functioning a ...

Level Instances appear at the origin on Linux cooks

Level Instances are spawned in the origin (0,0,0) after making a packaged build in Linux ...

Layered Control Rigs + Skeletal Mesh with Animation Blueprint in the Sequencer

When a layered control rig track is added to the sequencer the character’s legs will collapse into the body of the character. Switching the layer to additive will do nothing. Trying to force the ani ...