Unreal Engine Issues
Unreal Engine Issues
Directional Light settings remain from previous level when creating new level when using forward rendering
UE - Graphics Features - Jun 8, 2018Using Forward rendering, directional light settings persist across levels and after deletion. Video attached, shows problem in Dev-VR but same issue occurs in Release-4.20 ...
Postprocess Outline material does not work
UE - Graphics Features - Aug 1, 2018The PostProcess Outline Material doesn't render properly. Broken in 4.20.1 (CL - 4239966) and 4.21 (CL - 4245542) Working in 4.19.2 (CL - 4033788) ...
Toggling visibility of Sublevels on a server can cause a disconnect if Dynamic Actors exist in the sublevels.
UE - Networking - Aug 17, 2018The PackageMap / NetGuidCache appear to get into a bad state on Clients if the Server toggles level visibility of a sublevel. This can affect currently connected clients, as well as clients that jo ...
Get Transform at Distance Along Spline does not work properly with Blueprint Nativization enabled if the Spline has multiple points
Tools - Dec 13, 2018Using Get Transform at Distance Along Spline with a spline that has multiple points along with Blueprint Nativization causes the output of the node to become unpredictable. Regression? No This occ ...
ComponentSweepMulti returning incomplete HitResults
UE - Simulation - Physics - Jan 14, 2019ComponentSweepMulti sweeps each shape of a component, however resets OutHits at the start of a new shape, losing the prior hits, only returning the hits of the last shape swept. This is a regressio ...
Reset seed on emitter looping not working properly
UE - Niagara - Dec 31, 2019The "Reset Seed on Emitter Looping" has no effect when enabled. Tested in: 4.22.3 CL#7053642 , 4.23.1 CL#9631420 , 4.25 CL#10868506 ...
Scaling and rotation modes of the gizmo should be disabled in Paper2D Sprite Editor for vertexes
UE - Gameplay - Paper2D - Sep 23, 2020The modes are useless and should be disabled while the vertex(es) is(are) selected. The same behavior in Edit Collision and Edit RenderGeom modes. I've checked it in 4.25.3. Probably, this bug exis ...
In Android, the UI does not fill the entire screen and there is an empty space
UE - Platform - Mobile - Jan 30, 2023After migrating to version 5.1, the UI does not fill the screen and there is an empty space. Please refer to the attached screenshot and test project. tested device : galaxy Z flip 3 ...
UMG Viewmodel Plugin -- When setting up View Bindings, several arithmetic and comparison functions are missing from the "Conversion Functions" list
UE - Editor - UI Systems - UMG - Mar 20, 2026When setting up View Bindings from the "UMG Viewmodel Plugin" on a Widget Blueprint, it is possible to select a compatible "Conversion Function" from the list of available bindings. By default, the ...
If PVRTexToolCLI is not executable, invalid texture data is used and crash results when launching on device
UE - Platform - XR - Jul 5, 2017Synced the code on Windows and transfered to Mac, the file PVRTexToolCLI lost its executable permission bits... UE4 couldn't run the tool, but carried on processing anyway, processing invalid textur ...