Unreal Engine Issues
Unreal Engine Issues
Runtime Virtual Texture rendering can allocate more FRDGBuffers than expected
UE - Rendering Architecture - Dec 10, 2024When rendering runtime virtual texture pages without throttling (when r.VT.MaxUploadsPerFrame is high or during Movie RenderQueue captures) the number of FRDGBuffers allocated by the Render Graph Bu ...
Modifying the properties of a ChildActorComponent in a child blueprint can modify the parent actor ChildActorComponent properties.
UE - Gameplay - Blueprint - Dec 10, 2024When a property of a ChildActorComponent is modified in a child class, the parent ChildActorComponent class can also get modified. This happens when the Parent blueprint actor has a ChildActorCompo ...
GAS: OnTagUpdated() not called when calling SetLooseGameplayTagCount()
UE - Gameplay - Gameplay Ability System - Dec 10, 2024Context AbilitySystemComponent has a virtual function virtual void OnTagUpdated(const FGameplayTag& Tag, bool TagExists); that gets called when a gameplay tag gets added or removed, so whenever ...
Poor Vulkan RHIThread performance in Development builds on some Android
UE - Platform - Mobile - Dec 10, 2024Community-attempted workaround received in [Link Removed] Correct fix submitted to 5.6 FNMain in [Link Removed] which needs integrating into 5.5.3. ...
Improve performance when creating multiple Data Layer Instances
UE - World Creation - Worldbuilding Tools - Dec 10, 2024Every time AWorldDataLayers::CreateDataLayer is called, UDataLayerManager::ResolveActorDescContainersDataLayers() gets called and iterates on all actordescs of the world.When creating multiple data l ...
UV Rotation does not work for video materials
TM - Rendering - Dec 9, 2024The rotation parameter of video materials does not function in Twinmotion 2024.1.2 and Twinmotion 2025.1 PR. Adjusting the slider does not have any effect. Feature last worked in Twinmotion 2023.2 ...
Swapping the C++ Root Component from a Child BP class, pressing Save, Compile, but not Saving afterwards, will leave the Root Component in a locked state, meaning the it cannot be viewed or edited in the Details Panel after an Editor restart
UE - Gameplay - Blueprint - Dec 9, 2024Swapping the C++ Root Component from a Child BP class, pressing Save, Compile, but not Saving afterwards, will leave the Root Component in a locked state, meaning the it cannot be viewed or edited i ...
Geometry Collection (GC) fragments are affecting the Navmesh in wrong positions
UE - Simulation - Physics - Destruction - Dec 6, 2024Geometry Collection (GC) fragments are affecting the Navmesh in wrong positions and the identified cause is wrong indexing. Once a GC breaks, it's fragments, when big enough, are creating islands in ...
Issue with PLA Editing inside another PLA causes Z-Fighting or Mesh Disappearance.
UE - World Creation - Worldbuilding Tools - Dec 6, 2024When editing a Packed Level Actor (PLA) that is inside another PLA, z-fighting or mesh disappearance will occur. More specifically, it is seen when duplicating a mesh inside the PLA, upon saving the P ...