Unreal Engine Issues
Unreal Engine Issues
Animation Sequences in Sequencer Set to Frame 0 When Transform Curve is Moved
UE - Anim - Sequencer - Feb 7, 2018-When a curve of a transform track is edited animation tracks set themselves back to start at frame 0. -Tested with scale to avoid interference with location -sequencer is not docked ...
PSD imported texture has white for texels with 0 alpha, resulting in bilinear interpolation artifacts
UE - Editor - Content Pipeline - Import and Export - Aug 14, 2017Texture viewed in texture viewer has white fringes [Link Removed] This appears to be caused by transparent texels having white stored for their color, which causes artifacts with bilinear interpol ...
Editor crash when Landscape Comp. LODBias set to value greater than 0
UE - LD & Modeling - Terrain - Landscape - Mar 20, 2018When LODBias for a landscape component is set to anything greater than zero, the editor will crash. Reproduced in 4.19.0 CL 3944462 and 4.20 Main. Not able to be reproduced in 4.18.3 CL 3832480. T ...
Cooked materials and material instances size have doubled when upgrading from 5.1.0 to 5.2.0
UE - Rendering - Architecture - Materials - Jul 18, 2023UDN: [Link Removed] A UDN customer has observed that their cooked materials have doubled in asset size going from 5.1 to 5.2. We need to investigate this is only a local issue on their side and no ...
StopAtCurrentTime Node Sets Playback Position To 0.f In Level Sequence Actors
UE - Anim - Sequencer - Jan 20, 2020Level Sequence actors have their current playback time to 0.f when using the StopAtCurrentTimeNode. In MovieSceneSequencePlayer.cpp line 288 TimeToResetTo is set to 0.f. Attached is a 4.24 example ...
Child component will lose scale information if parent scale is set to 0 temporarily
UE - Gameplay - May 9, 2019Datasmith Scene actor that is a Child will be unlinked from scale changes if parent scale is set to 0 ...
UV Coordinates and Gradients are behaving unexpectedly when run 1-0 (White on Top, Black on Bottom)
UE - Graphics Features - Sep 30, 2015When multiplying a Gradient running from White on Top to Black on Bottom (1-0) by a Texture Coordinate, there are unexpected results rendered which is not seen when multiplying the Coordinate by a B ...
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. ...
Reflections of Masked Materials incorrect with Lumen HWRT and Max Refraction Bounces > 0
UE - Rendering - Graphics Features - Lumen - Dec 18, 2025Lumen HWRT Reflections of Masked Materials are incorrect when "r.Lumen.Reflections.HardwareRayTracing.Translucent.MaxRefractionBounces" is greater than 0. The same issue occurs if the Post-Process V ...
Ray Traced Ambient Occlusion Uses Resources Even if AO Intensity is 0
UE - Graphics Features - Lumen - Aug 22, 2019Ray traced Ambient Occlusion is still active even when Ambient Occlusion Intensity is set to 0 in the Post Process Volume. Found in 4.22 CL# 7053642, 4.23 CL# 8115738, 4.24 CL# 8124506 ...