Unreal Engine Issues
Unreal Engine Issues
Misaligned sampling in UI Material with with CustomStencil
UE - Editor - UI Systems - May 19, 2025The output of the CustomStencil node in a User Interface material does not align with the viewport dimensions. Toggling fullscreen/windowed mode (F11) causes the offset to reappear, so scaling the n ...
Adding ProceduralMeshComponent Class to a project prevents the code from compiling
UE - Gameplay - Aug 5, 2016After adding a classed based on ProceduralMeshComponent the code for the project does not compile any longer. **This is a Regression - Adding ProceduralMeshComponent class would compile successfull ...
Find Collision UV Returning Unexpected Values
UE - Gameplay - Jan 19, 2017Find Collision UV is returning values that are above 1.0, when it is expected that these values would remain between 0 and 1. ...
Dynamic Shadows are not working when deployed to a mobile device
UE - Platform - Mobile - Dec 22, 2014When deploying a Third Person Template project to a Mobile device, there will be no dynamic shadows in the level coming from the character. Shadows are shown in 4.6.1 but not in the changelist provi ...
Moving a Copy of an Actor from Persistent to Sublevel Dirties Persistent Level
Tools - Aug 18, 2017Using Alt-Drag to move a copy of an actor from the persistent level to a sublevel (when the sublevel is selected as the current level in the Levels window), the persistent level is getting marked as ...
Assertion failed: !EditReregisterContexts.Find(this)
UE - Gameplay - Jun 22, 2015Editor crashes if a blueprint has "Can Ever Affect Navigation" changed multiple times and is compiled. Crash link: [Link Removed] Frequency: 4/4 ...
Increasing Font Size Makes The SceneRendering Table Impossible To Read
Tools - Jan 27, 2020The scenerendering graph doesn't display correctly when you increase the Small Font for the Engine. The rows don't adjust to the font size. The user increased font size to make print strings in VR ...
Widget With Spinbox Crashes When Destrcutor Is Called With Multithreaded Destruction Enabled
UE - Foundation - Core - UObject - Feb 28, 2020When a widget with a spinbox is calls it's Destructor with "Multithreaded Destruction" enabled the engine crashes. I have tested in 4.23.1, 4.24.3, and 4.26 Main with "Multithreaded Destruction" dis ...
Cannot PIE; Data Table Still Being Edited
Tools - Dec 22, 2015After making some changes to a Data Table, attempting to PIE fails and returns this error message: Cannot Play In Editor When Performing Edit MemberVar_1 operation. This occurs after closing and sav ...
Spawn Emitter At Location is not available in an Object Blueprint
UE - Gameplay - Blueprint - Feb 4, 2015Spawn Emitter At Location is no longer an available node in an Object Blueprint. It was available in 4.6.1 but is not in 4.7 or 4.8. Spawn Emitter Attached is still available in an Object BP. Teste ...