Unreal Engine Issues
Unreal Engine Issues
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 ...
Camera Cut tracks don't work in some packaged code projects
UE - Anim - Sequencer - Apr 10, 2017Camera Cut tracks don't work in some packaged code projects Regression: YES Working: 3249277 (4.14.3) Broken: 3348071 (4.15.1) Working: 3383544 (4.16 Main) ...
[CrashReport] Assertion failure in NameTypes.h after CookOnTheFly
UE - Foundation - Core - Apr 25, 2017This is a top crash occurring for users in the 4.14 and 4.15 releases. Unfortunately no user-descriptions of the issue have been provided, so information is limited. Despite a different callstack, ...
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 ...
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 ...
Renaming a SkinnedMeshComponent onto a different owning actor will cause issues with FAnimUpdateRateManager
UE - Anim - Runtime - Aug 12, 2021As mentioned in the UDN - the user tried to rename an SMC to a different actor, which leaves the URO manager left with an incorrect data as it is not aware of the move. User proposed overriding Post ...
Reimporting static mesh doesn't respect changed lightmap settings
UE - Editor - Content Pipeline - Import and Export - May 11, 2023Licensee reports change of behaviour between UE4 and UE5 when reimporting a mesh after changing its lightmap build settings. Change of behaviour occurred in 17404767, which was to fix a similar pro ...