Unreal Engine Issues
Unreal Engine Issues
Landscape DFAO shadowing artifacts in Standalone and packaged
UE - Graphics Features - Oct 25, 2016The Heightfield from DFAO when playing in Standalone or a packaged game has darkened shadow artifacts for the level. Workaround: Use r.AOGlobalDistanceField 0 to disable the Global Distance Field. ...
Reading LightAttenuationTexture Produces Unexpected Results With Forward Rendering
UE - Graphics Features - Jul 5, 2018The expected behavior occurs in 4.19; unexpected behavior occurs in 4.20 and 4.21. Marking this as a regression. Per User: Reading the LightAttenuationTexture in a material receives interference ...
changing maps while AudioCapture component is attached to player causes engine to hang.
UE - Audio - Jan 3, 2023Reproduced 3/3 times, issue does not occur in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed Regression. A large amount of warnings are generated upon investigating project log. Here's a small e ...
OnObjectPropertyChanged Firing Excessively when FText is Bulk Edited
UE - Editor - Jun 28, 2023If multiple game objects are selected at once and their text field is edited, instead of getting N events, it produces N-squared events. It looks like FPropertyHandleBase::SetPerObjectValue is call ...
Runtime virtual texture sometimes shows corrupted tiles
UE - Rendering Architecture - Apr 28, 2025Some licensees have reported seeing intermittent corruption of runtime virtual texture tiles. This hasn't been reproduced at Epic. Usually this shows up as some small percentage of rendered tiles l ...
Run Command fails when launching code project onto Mac from the editor
UE - Platform - Apple - Apr 18, 2017This only affect Launching on code projects. Packaging code projects works fine.LogPlayLevel: Program.Main: ERROR: AutomationTool terminated with exception: AutomationTool.AutomationException: Unabl ...
Some Material Nodes Are Not Able To Be Deleted
UE - Graphics Features - May 10, 2017There are a lot of cases where nodes in the material editor will no longer get deleted even if you save the material after deleting the node. As soon as you close the window for the material editor ...
Blueprint Viewport displays bright green emissive for all objects
UE - Gameplay - Blueprint - Jul 17, 2017When opening a new blueprint for the first time Adding any static mesh component (Engine content or User created) causes the mesh to display with a bright green emissive. This issue occurs only in t ...
Selecting with eyedropper tool will select ChildActor
Tools - Sep 14, 2018It can select ChildActor with the Eyedropper tool. Since ChildActor is an actor created temporarily, when you restart the Editor it becomes empty because there is no reference. When selecting AActor ...
AnimDynamics does not accurately reflect the wind direction when SimulationSpace is set to something other than Component
UE - Simulation - Physics - Sep 3, 2019The processing related to WindDirection in AnimDynamics( in FAnimNode_AnimDynamics::PreUpdate ) does not consider other than ComponentSpace.// Setup wind data Body->bWindEnabled = true; Scene->Get ...