Unreal Engine Issues
Unreal Engine Issues
Particle disappears if it is using PSA_Velocity and setting custom time dilation 0
UE - Graphics Features - Dec 7, 2016A licensee reported some of their particles disappear when setting the actor's custom time dilation 0. This seems to happen when a particle is using PSA_Velocity as Screen Alignment. This repros in ...
GetSubPaths does not return any paths when used in Standalone
Tools - Jan 30, 2017Using the GetSubPaths command in Standalone does not return any paths. From the answerhub user's research, it seems that CachedPathTree in AssetRegistry.cpp is not being initialized like it is in ei ...
Crash on built project from Manual focus change of Cine Camera as Player Pawn
UE - Gameplay - Mar 20, 2017Crash on built project from Manual focus change of Cine Camera as Player Pawn Regression: Effects version 4.13.2 , 4.14.3, and 4.15.0 binary versions ...
Particle Bounds Don't Update Correctly After Moving Particle Component Via BP
UE - Graphics Features - Mar 30, 2017It appears that particle components don't update their bounds correctly when they are moved in a scene. If a particle emitter isn't currently visible at the start of the game it will remain culled. ...
Inaccurate updates to root widget visibility binding
UE - Editor - UI Systems - Apr 6, 2017Inaccurate updates to root widget visibility binding, so far in my testing, this does not affect the functionality of the binding. Regression: affects 4.13.2, 4.14.3, 4.15.1 binary versions ...
Reimporting Static Mesh LODs yields unexpected material assignments
Tools - May 24, 2018Reimporting an asset after making changes causes loss of saved LOD changes when editing a static mesh. Similar issue was logged and fixed for SkeletalMeshes but this issue is still occurring for ...
Non-nativized classes that implement a nativized interface class do not get interface methods called when invoked through a Blueprint function library.
UE - Gameplay - Blueprint - Jul 5, 2018UObjectBaseUtility::GetInterfaceAddress() fails due to an incorrect serialized value of the 'bImplementedByK2' property within the non-nativized class's Interfaces array on save. See support thread ...
HLOD visibility state isn't cleared when changing scene
UE - Graphics Features - Sep 25, 2018HLOD state is not cleared when moving to a scene without HLOD so primitives may read the state from the old scene and incorrectly cull objects. The safe fix is to clear the HLOD state maps when the ...
"Invalid resource entry creating uniform buffer" when running Vulkan on Mobile
UE - Platform - Mobile - Apr 30, 2019Android projects in 4.22.1 crash on launch with Vulkan enabled. Did NOT reproduce in 4.23 MAIN at CL 6156332 4.22.1 release CL is the same as a related fix for this ( [Link Removed] ) ...
Calling TearOff then Destroy on an actor results in client actor also being destroyed
UE - Networking - Jan 14, 2021When calling TearOff followed immediately by Destroy, the channel will be closed with the reason that the actor was destroyed, so the actor will be destroyed on the client as well. In the UDN linke ...