Unreal Engine Issues
Unreal Engine Issues
Contact shadows bug in splitscreen
UE - Graphics Features - Dec 11, 2024Screen Space shadows do not check the view boundary. This can cause extra shadows in split screen, as one view can cast shadows in another view. ...
Rendering of a Text Widget with Outline does not track LayerId correctly
UE - Editor - UI Systems - May 27, 2025Text widget with Outline uses 2 LayerId levels to draw the outline and the text glyphs. This can be seen in function FSlateElementBatcher::AddShapedTextElement(), where lambda BuildFontGeometry() is ...
Wind Directional Source is not updated when changing values via blueprints
UE - Gameplay - Blueprint - Sep 29, 2014CL: 2306964 Link: https://answers.unrealengine.com/questions/105058/speedtree-wind-dir-source-actor-not-refreshing-fro.html Description: Cannot set the Wind Directional Source component settings via ...
Bandwidth usage of USceneComponent::RelativeLocation is too high
UE - Networking - Jun 22, 2017USceneComponent::RelativeLocation is an uncompressed FVector (3x32 bits replicated). Consider changing to FVector_NetQuantize100, or consider implementing custom serialization (with customizable qua ...
Unable to PIE + Crash after editing SColorGradingPicker
Tools - Jul 26, 2017Changing Color Grading settings of a post process volume and using "Enter" to commit changes prevents the editor from entering PIE / Simulate mode with the error message "Can't Play In Editor / Simu ...
Desynchronised playback of firstime played SoundWaves with active AudioStreamCaching
UE - Audio - Mar 25, 2020The SoundWave in the Content folder of the attached Project has been exported from Nuendo @ 120BPM 4/4, with a duration of exactly 1 Bar. The BP_Audio Actor uses the TimeSynthComponent to provide sa ...
Commonly used blueprint conversion functions should be promoted to top level category
UE - Gameplay - Blueprint - Nov 16, 2020Many useful blueprint utility nodes are buried in the Utility category and are not very discoverable by users. This leads to them choosing other nodes that are much less convenient and efficient. Th ...
nDisplay VIOSO Projection Policy broken since 5.0.3
UE - Virtual Production - nDisplay - Nov 25, 2022Hi Sevan, I think we are having a bug: When using our calibration format “vwf” the image is slightly misaligned. Same calibration exported MPCDIv2 works good in UE. So it seems to be some issue ...
Foliage lightmaps for LODs does not look correct
UE - World Creation - Worldbuilding Tools - Foliage - Jun 21, 2016When using the foliage tool with any mesh that has a LOD the lightmap generates artifacts for the instance. The base LOD will have correct looking lightmaps, however when pulling back and seeing the ...
Controller::OnPossessedPawnChanged broadcasts (Pawn->null) but not (null->Pawn) during AGameModeBase::RestartPlayer()
UE - Gameplay - Sep 17, 2025Context AController has a blueprint assignable delegate that fires when the possessed pawn changes. This should fire in both singleplayer and networked games. The bug is reproducible in single play ...