Unreal Engine Issues
Unreal Engine Issues
Undo and ConstructionScript break the AttachChildren array
UE - Gameplay - Components - Nov 14, 2019Undo fills AttachChildren array with null by the undo serializer. After that, a construction script tries to remove child components from parent component's AttachChildren but it can't find its poi ...
Planar Reflection with Exponential Height Fog flickers on iOS
UE - Platform - Mobile - Oct 28, 2016Planar Reflections have noticeable gaps in the reflection of the exponential height fog for the scene that will flicker as the camera moves. Attached ipa link and test project. [Link Removed] Te ...
Ambient Cubemap Assignment in Post Process Volume does not work with Forward Renderer
UE - Graphics Features - Nov 8, 2016The Ambient Cubemap assignment in a Post Process Volume doesn't work when using the Forward Renderer. I want to note that Cubemap assignment in the Skylight does work. I checked this just to make s ...
Actor Not Ticking on First Streaming Level Load When Using Level Streaming Volume
UE - Gameplay - Apr 11, 2017Actor's do not appear to be ticking when a level is first loaded when using a Level Streaming Volume. The Tick event will fire on the second and subsequent attempts. Edit: After further testing, th ...
Lighting build fail due to failing to open channel for material data
UE - Graphics Features - Apr 21, 2017Licensee reports lighting build fails for their specific levels which were created in 4.14.1 then moved to 4.15.1. Workaround: Setting LogLightmassSolver verbose level to Warning can show "Warning ...
material clamps with Panner for HTML5 when texture size is not power of two
UE - Platform - Mobile - Apr 25, 2017When launching for HTML 5 and using a texture or image that is not a power of two in size the texture does not pan correctly, instead of panning as expected, the material clamps and will remain that ...
Editor Crashes When Attempting to Open Material Function
UE - Rendering Architecture - Materials - Jun 2, 2017The editor is crashing when trying to open a material function that the user provided. User Quote: One of my material functions crashes the engine when I open the editor for it. It works fine, I ...
Crash Editor when deleting RecastNavMesh & NavMeshBoundsVolume - Top Down project
UE - AI - May 31, 2017While testing in //UE4/Release-4.16 CL 3466753 in Binary – I encountered a crash when deleting, undoing, then re-deleting the NavMeshBoundsVolume and RecastNavMesh.UE_LOG(LogObj, Fatal,TEXT("Renamin ...
Crash occurs with gameplay tag map variable compiles with default value changed
UE - Gameplay - Blueprint - Jun 28, 2017there is a crash that occurs with gameplay tag map variable compiles with default value changed. This issue occurs no matter what the secondary value of the map is. I was unable to test this issue i ...
Renaming a Gameplay Tag does not update all references
UE - Gameplay - Jul 26, 2017When a gameplay tag is renamed, gains a prefix/suffix, or is changed the updates to the tag are not being reflected in blueprints where the value has already been stored. This occurs in the case of ...