Unreal Engine Issues
Unreal Engine Issues
Initial Modules are clamped to a 0 to 1 time range
UE - Graphics Features - Sep 18, 2015The Initial Modules appear to be clamped to a zero to 1 time frame since 4.8 was released. Projects that are converted from 4.7.6 will have correctly working particle systems, but adding a new part ...
InstanceDecorators of URichTextBlock is increased everytime add it to viewport
UE - Editor - UI Systems - Jul 29, 2021URichTextBlock::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
UE - Gameplay - Blueprint - Aug 14, 2015If 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
UE - Simulation - Physics - Destruction - Sep 18, 2024UGeometryCollectionComponent::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.
UE - Simulation - Physics - Destruction - Jul 15, 2015When 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
UE - Simulation - Physics - Jun 9, 2023Vehicle 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.
UE - LD & Modeling - Terrain - Landscape - Sep 8, 2016Artist had problem open his level after LayerInfo file was deleted ...
Niagara mesh particles have incorrect normals when scaled
UE - Niagara - Apr 27, 2020Niagara mesh particle normals do not match those of static mesh actors. ...
Transition ratio getter function not correct for interrupted transitions.
OLD - Anim - Apr 7, 2016The 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 ...
Material attribute layers issue with texture sample and VT lookups
UE - Rendering Architecture - Materials - Nov 14, 2024When using material attribute layers in a material layer setup, there is a potential discrepancy in the number of VT Lookups presented in the material instance's Platform Stats. When the same textur ...