Unreal Engine Issues

Enabling Override Instance Data to a LevelSequencerActor that has a Shot Track can lead to crashing the engine

Enabling Override Instance Data to a LevelSequencerActor that has a Shot Track can lead to an Actor being translated really far, or even a crash in the engine. The licensee has encountered a particu ...

GPU crash in LumenRadianceCache ClearProbeIndirectionCS

Visualization View Mode Shader Complexity when in Mobile Preview Vulkan with MMV will crash the editor

GAS: GameplayDebugger crashes when AttributeSet has different rep conditions per attribute

When using the GameplayDebugger to show GAS debug info, and an AttributeSet has two replicated attributes with different replication conditions, a crash occurs in RegisterReplicatedLifetimeProperty( ...

Modifying FinstancedStruct (Blueprint structs) properties inside another FInstancedStruct triggers an ensure and properties do not get saved.

There is a bug with Blueprint structs having FInstancedStruct as a property. If you modify the DefaultValues of any property of an FInstancedStruct inside the blueprint struct asset, an ensure will ...

Mobile Deferred Shading enabled and Preview Level Android Vulkan will crash the editor

Breaking a level instance can not remove the level instance from world

Currently there is no stable way to break level instances ...

CharacterMovement doesn't clear velocity

Velocities are not being cleared when physics simulation set to false.  ...

Niagara Editor Viewport will crash when rendering opaque materials with Mobile Multi-View and Mobile Vulkan Preview Enabled

The Niagara viewport will crash when rendering opaque sprites if Mobile Multi View and the mobile preview are enabled. Additive materials do no crash, and if the viewport is not set to lit it does ...

Creating an HLOD with a FallbackMesh that has a section with triangles=0 will incorrectly set the UVs of the StaticMesh

The UVs in HLOD's StaticMesh appear to be broken when there are sections with zero triangles in the fallback mesh. This is most likely the case for sections containing only small parts. Workaroun ...