Unreal Engine Issues
Unreal Engine Issues
Differences in DistanceToNearestSurface and DistanceFieldGradient results between 4.27 and 5.0
UE - Graphics Features - Apr 27, 2022In the UE5 case, we end up seeing very harsh lines in both the gradient and the distance to nearest surface examples whereas the results in 4.27 appear smooth. It was also interesting to observe c ...
On Drop appears to cause update issues with widgets that are affected On Drag Enter
UE - Editor - UI Systems - Jan 3, 2017On Drop appears to cause update issues with widgets that are affected On Drag Enter. In this example the widget only changes colors if a delay is placed in the On Drop function. The On Drop function ...
DOF - TAA pass ghosting when using r.DOF.TAA.CoCBilateralFilterStrength
UE - Graphics Features - Aug 7, 2025In Unreal 5.6, there's a new CVar: r.DOF.TAA.CoCBilateralFilterStrength, which should help with ghosting artifacts introduced by TAA in DOF passes. However, it doesn't work as expected since many gh ...
User crashes during play/save/open project in UE 4.6.1
UE - Gameplay - Blueprint - Feb 25, 2015User reports crashing upon open, saving or playing their project in 4.6.1 in Binary. Assertion failed: TargetDelegate [Link Removed] [Line: 5407] ...
Collision on rolling ball template floor incorrectly affects player character
Docs - Samples - May 27, 2015In the rolling ball template, the new floor meshes cause the player character to jump when the player has not pressed any jump commands. It occurs more often if the players movement has been increas ...
Anim with rate scale other than 1.0 will not loop correctly in Sequencer when using an Anim Blueprint
UE - Anim - Sequencer - Sep 13, 2019Animations are looped incorrectly when using an animation blueprint and a rate scale other than 1.0 in Sequencer. ...
Shader Complexity shows checkerboard screen in Android ES 3.1 render
UE - Platform - Mobile - May 10, 2022Changing the view mode to Shader Complexity while in Android ES 3.1 preview render will show a black and grey checkerboard in the viewport. This does not happen in UE 4.27 ...
Nanite mesh socketed to a Skeletal Mesh is not affected by the 'Owner No See' or 'Only Owner See'
UE - Graphics Features - Nanite - Jun 22, 2022Nanite mesh socketed to a Skeletal Mesh is not affected by the 'Owner No See' or 'Only Owner See'. Compared this against a regular Static Mesh. ...
Hot Reloading from IDE fails
UE - Foundation - Core - Jul 13, 2016Building from VS causes the compilation to fail. (Have not had the opportunity to check XCode yet, investigating) Found in //UE4/Dev-Core @ 3048370 Currently occurs in //UE4/Main @ 3049508Severity ...
Scale box affects all children in a parent container widget when setting User Specified Scale
UE - Editor - UI Systems - Jul 5, 2018When a scale box is the the first child of a container widget, setting the user specified scale to 0 will affect all other widgets in the same parent container. ...