Unreal Engine Issues
Unreal Engine Issues
Get Input Touch State produces incorrect vector position
UE - Gameplay - Input - Sep 25, 2018Get Input Touch State produces incorrect vector position when using it on Android. Tested in 4.19.2 (CL - 4033788), 4.20.3 (CL - 4369336), 4.21 (CL - 4395058) ...
Widget blueprint details panel appears to jitter when dragging widgets in the designer tab
UE - Editor - UI Systems - Feb 1, 2019When clicking and dragging a widget in the designer tab of a widget blueprint some options in the details panel will begin to move/shake/jitter/readjust. ...
setting Simulate Physics and Set Actor Location And Rotation in code causes crash on project load
UE - Gameplay - Feb 19, 2015If an actor's Simulate Physics and ActorLocation/Rotation properties are set in code the editor will crash immediately upon launch / debug in VS. ...
Certain console commands/variables do not show their description text in the console window
UE - Foundation - Core - Jan 25, 2016Console variables such as "t.maxFPS", "CauseHitches", "t.unsteadFPS", and help "help" (these were all tested, there may be more untested with the same behavior) have description text in code howeve ...
WorldToMeterScale appears to snap back to default when VR headset does not meet 90 FPS if WorldToMeterScale has been changed
UE - Platform - XR - May 29, 2018WorldToMeterScale appears to snap back to default when VR headset does not meet 90 FPS if WorldToMeterScale has been changed ...
Performance decreases with the number of morph targets
UE - Anim - Rigging - Jun 15, 2023Performance decreases quite a bit on characters with large number of morph targets, as soon as even one target is active. ...
Custom Water Body does not work with its own Distance Culing
UE - Graphics Tools - Terrain - Water - Sep 14, 2023WaterBodyCustom seems not to work with Distance Culling settings on its own actor, either Draw Distance/Never Distance Cull or Allow Cull Distance Volume. It only can be controlled by the CullingD ...
Merge Actor - Approximate Actors algorithm is using Mesh Description directly rather than the Nanite parameters
UE - World Creation - Worldbuilding Tools - Merge Actor - Jul 25, 2025In an ideal world, all mesh merge algorithms should have the option to use as input one of the followingRender mesh (non-nanite) (+ the option to target a specific LOD)Mesh Description (+ the option ...
Engine Scalability Resolution Scale does nothing until r.ScreenPercentage.Editor is set
UE - Graphics Features - Jul 10, 2015The Resolution Scale Slider in the Engine Scalability Settings does not adjust any settings unless your first adjust the r.ScreenPercentage.Editor variable. Also reproduced in Main - Promotable - C ...
sg.ResolutionQuality command doesn't work
UE - Graphics Features - Jan 9, 2015Using the sg.ResolutionQuality command in code or the console has no effect in 4.6.1 or 4.7. ...