Unreal Engine Issues
Unreal Engine Issues
Overlapping Lightmap UVs Generated When Not In None LOD Group
UE - Graphics Features - Lumen - Dec 17, 2019Overlapping lightmaps are generated when the LOD group is not the default. Setting the LOD group to None and rebuilding lighting doesn't have the same result. Found in 4.24 CL# 10570792 Reproduced ...
Networking Engine Tests fail for NotifyParamCorrect on Client
UE - Networking - Oct 2, 2019The following errors occur when running the networking engine tests with 2 clients and a dedicated server. LogFunctionalTest: Error: Assertion failed: 'EngineTestNetActorComponent bRepArrayAddNotif ...
UObjects returned from "Get Item Children" in a TreeView widget causes an engine crash, due to invalid pointers
UE - CoreTech - UObject - Jun 9, 2020UObjects returned from "Get Item Children" in a TreeView widget causes an engine crash, due to invalid pointers. User has proposed the following fix: The best fix is probably such: When Slate list ...
Normal of Skeletal Mesh is incorrect when Recompute Tangent is used when Skincache is enabled
UE - Graphics Features - Aug 12, 2020This issue occurs in Skeletal Mesh depending on the model when Skincache is enabled and affects the rendering. ...
Editor freezes when searching for blueprints while another search is active and indexing is in progress
UE - Gameplay - Blueprint Editor - Sep 10, 2020The editor will freeze if the user starts a search for blueprints while a search is already happening during blueprint indexing. ...
incorrect virtual texture shader code(in FinalizeVirtualTextureFeedback) on Mobile forward platform
UE - Graphics Features - Mar 15, 2021in the function FinalizeVirtualTextureFeedback, the micro "USE_DBUFFER && MATERIALDECALRESPONSEMASK" returns true on mobile forward, while there is no DBUFFER on Mobile forward obviously. This takes ...
SingleLayerWater is rendering brighter shallow water with fog
UE - Graphics Features - Jul 12, 2021Shallow water areas in scenes with exponential height fog will be brighter than they should be. Possibly due to the fog being applied twice in the SingleLayerWater shading model. ...
Ensure condition failed : Unprocessed LatentActions accumulate by SetPlaybackPostion using Play method
UE - Anim - Sequencer - Nov 9, 2021If some sequencer events are added to LatentAction queue while calling SetPlaybackPostion using Play method, the events will not be digested. So the LatentActions cause that ensure condition failed ...
Right click editor/Slate windows blackout after a while of repeatedly clicking them.
UE - Editor - UI Systems - Slate - Jun 8, 2022Licensee video of the issue here - [Link Removed] This can be worked around with this setting: [Link Removed] However it is not a solution as this setting actually causes other programs, e.g. sl ...
Some asset click on loop when Codec is Bink, but not for other codecs
RAD - Oct 22, 2022When looping the attached sound, there is a noticeable pop on the loop boundary when the codec is Bink that is not heard on other codecs. ...