Unreal Engine Issues
Unreal Engine Issues
Niagara Component can crash if ticked with a null tick function
UE - Niagara - Mar 12, 2021Niagara components don't null check their tick functions, and can cause a crash as a result. Compare to UParticleSystemComponent::TickComponent which does. It's fairly common in the engine to pass n ...
Pasting an Emitter In Niagara System is not created at cursor position
UE - Niagara - Mar 10, 2021Not a regression as this also occurs in //UE4/Release-4.25.4 Behavior should work like other BP nodes, where copy/pasting puts the node where the mouse cursor is located. Current behavior is time ...
Most Material Instances render as the World Grid Material when placed on a Skeletal Mesh
UE - Graphics Features - Mar 10, 2021When adding certain Material Instances to a Skeletal Mesh, the Material Instance break and renders as the World Grid Material. This persists in the project and the Material Instance cannot be used u ...
Engine crashes when trying to remove unused bones from skeleton
UE - Anim - Runtime - Mar 10, 2021Engine crashes when i try to remove unused bones. I have lot of things going on in those characters, they all share same skeleton. There are anim blueprints with control rig and pose drivers, there ...
Take Recorder crashes if actor with animation despawns during recording
UE - Anim - Sequencer - Mar 8, 2021Skeletal animations are finalized at the end of recording, and expect the actor to still be around, but actors can despawn during recording leading to a crash. ...
MoviePipeline: Disabling Auto Exposure in Project Settings not respected
UE - Anim - Sequencer - Mar 8, 2021The high-res tiling method checks for the exposure method specified on the camera, and forces it to Manual exposure if it's not already there. It shouldn't force this if the project settings have al ...
Incorrect SRV bindings in RTWriteMask shaders.
UE - Graphics Features - Mar 8, 2021RTWriteMask shaders were using incorrect array bindings, causing visual artifacts. ...
Fbx animation re-import using UAssetImportTask in python will not use options
UE - Editor - Content Pipeline - Import and Export - Mar 5, 2021Anim sequence re import factory is not overriding correctly the settings when we pass the override UFbxImportUI asset. It still use the original import data ...
Multicast RPC from PlayerController with RepGraph results in an invalid swap message
UE - Networking - Mar 4, 2021Since a player controller only exists on the server and on the owning client, calling a multicast from one isn't really a supported operation. However, this case is still handled cleanly when RepGra ...
Fountain emitters are constantly showing errors in the timeline and are not displaying correctly
UE - Niagara - Mar 4, 2021This issue is not present in 4.25.4 You can also avoid the problem if the LoopBehavior of the EmitterState is Multiple and LoopDelay is enabled. [Image Removed] It seems to be a binding of certai ...