Unreal Engine Issues
Unreal Engine Issues
[Sound Cue][Blueprint API] - Setting a parameter value a second times does not work
UE - Audio - Apr 9, 2022Setting a parameter on a Sound Cue from Blueprints more than once is not working. The first time a parameter is set works, but any following sets are ignored. This is a regression and does not occu ...
UMG: Drag-drop widgets get stuck at (0, 0)
UE - AI Workflows - UI Systems - UMG - Nov 7, 2022Reported on the dev forum, drag-drop widget is broken in the 5.1 Preview.https://forums.unrealengine.com/t/unreal-engine-5-1-preview/662523/221 Anyone else having problems with UUserWidget::SetPosi ...
[Audio Insights] - Insights continues to display virtual sounds after they have stopped being active
UE - Audio - Audio Insights - Jan 27, 2024Virtual loops continue to be displayed in Audio Insights even after the sound has stopped being active for certain cases. This also occurs when stopping PIE while a sound is virtual. The sound will ...
Water not rendering in Movie Render Queue
UE - Graphics Tools - Terrain - Water - May 3, 2024It appears that MRQ does not actually add the pass that updates the Water Info Texture in the WaterZone actor. If the Skylight is set to "SLS Captured Scene" and does not capture every frame, then t ...
Nested level visibility track bug
zComponent - Archive - May 31, 2024The Level Visibility tracks part of a Subsequence are turned off every time you save the Leve Sequence. It does not happen if Level Visibility tracks are added in the main Sequence. ...
Missing PSO Precaches in the engine
UE - Rendering - Architecture - RHI - Aug 20, 2025A licensee wanted to report some missing PSO Precaching they found, which they have fixed locally: 1. UCableComponent doesn't implement CollectPSOPrecacheData or call CheckPSOPrecachingAndBoostPri ...
Renaming variables in parent blueprint resets values for child blueprints
UE - Gameplay - Blueprint - Oct 23, 2015Renaming a variable in a parent blueprint will reset the value of that variable for any child blueprint based on the parent within the level viewport. ...
Timeline Scaling to 0,0,0 scales past 0 to negative values
UE - Gameplay - Jul 27, 2015Scaling objects via a timeline scales past the intended value when attempting to scale to 0,0,0. Instead of ending at 0,0,0 the scale will be set to an extremely small negative value such as -.0019, ...
Landscape Materials Layers Show "none" but are Still Able to Paint on Landscape
UE - LD & Modeling - Terrain - Landscape - Jun 15, 2015Landscape material layers show "none" after generating weight blended layers in landscape paint mode. The landscape layers are painted as normal but do not show that any layer is assigned. ...
Crash when removing native root component from code after creating a Blueprint class based on the native class.
UE - Gameplay - Blueprint - Jul 27, 2015Crash occurs when removing the native root component from code and then attempting to reopen a Blueprint Class asset that was based on the native parent class. Seems like maybe the 'AttachParent' f ...