Unreal Engine Issues

Naming a category for a function the same name as a function can cause the My Blueprints tree to display incorrectly (making the category heading look like a function)

Physics simulation shows strange behavior with specific skeletal mesh configurations

PhAT is inconsistent on when it does and doesn't apply scale to Constraint positions. This leads to cases where the positions provided create constraints that may not work when the Preview Skeletal ...

InstanceDecorators of URichTextBlock is increased everytime add it to viewport

URichTextBlock::UpdateStyleData() does not check whether DecoratorClasses already had any specificed DecoratorClass. So every time you turn UMG on and off from the Viewport, Decorator Classes will i ...

Same-named variables of other classes listed as references in blueprint

If a variable in a blueprint is the same name as a referenced variable from another blueprint, using "find references" on the local variable will return references to both the local and the external ...

UGeometryCollectionComponent::EventDispatcher gets registered for events twice what can result in duplicate collision events being fired

UGeometryCollectionComponent::EventDispatcher gets registered for events twice, once in UGeometryCollectionComponent::RegisterForEvents() and again in UChaosGameplayEventDispatcher::OnRegister(). Th ...

Destructible Event OnComponentFracture fires multiple times when Debris flag is enabled.

When using a Destructible that is using the Event OnComponentFracture and the flags for Debris timeout/max separation and Debris Enabled will cause the event to fire for each chunk removed from the ...

Chaos Vehicles - Wheel physics bounds staying in spawn location on server

Vehicle wheel shapes on the server appear to detach from the vehicle and remain at their spawn point when running a networked game. The clients physics representation is ok and as expected, i.e. whe ...

Level will crash if Landscape material layer can't find LayerInfo file.

Artist had problem open his level after LayerInfo file was deleted ...

Niagara mesh particles have incorrect normals when scaled

Niagara mesh particle normals do not match those of static mesh actors. ...

Transition ratio getter function not correct for interrupted transitions.

The transition ratio getter simply uses ElapsedTime/Crossfade for the alpha on the transition. Normally this is sufficient, although if you blend between two states A and B such that you interrupt ...