Unreal Engine Issues
Unreal Engine Issues
NavMoverComponent ConsumeNavMovementData returns true on any repeat call within the same game frame
UE - Runtime - Character - Aug 20, 2026UNavMoverComponent::ConsumeNavMovementData returns true on any repeat call within the same game frame, even when there is no nav movement to report. Callers that trust the return value then act ...
Dithered LOD Transitions not Rendering Correctly on iOS with Use Landscape Lightmap feature and Foliage
UE - Platform - Mobile - Jun 21, 2016Dithering appears aggressive and has a screen door-like effect when using the new Landscape Lightmap in combination with Foliage LOD changes. Owen Stupka attempted to reproduce the issue on his iPa ...
Instanced subobjects are not always instantiated as expected.
UE - Gameplay - Blueprint - Aug 13, 2015Instantiation of subobjects does not behave as expected when using the DefaultToInstanced UCLASS specifier. The licensee that reported the issue provided a sample project with some ensures added whe ...
[4.10 P2] UI is offcenter for dropdown menus and tooltips in editor
Tools - Nov 2, 2015In Windows 10, on a system set up with 2 970GTX GPUs in SLI, the dropdown menues from the main navigation tabs will be offset and to the lower left of the screen when selected. ...
Translucent material can't get valid custom depth RT on mobile platform and pc preview
UE - Platform - Mobile - Sep 18, 2019Upgrading Project After Disabling Light PropagationVolume Plugin Causes Crash
UE - Foundation - Cpp Tools - Plugin System - Apr 1, 2016Attempting to upgrade a project from 4.10 to 4.11, or 4.11 to 4.12 with the LightPropagationVolume plugin disabled causes it to crash. Found in converting a 4.10 project to 4.11, and reproduced con ...
FBX exporting from Sequencer is inconsistent when both an object and one of its components have a transform track
UE - Anim - Sequencer - Jul 30, 2020When both an object and one of its components have transform tracks, exporting to an FBX will have inconsistent results. ...
Custom Stencil does not display in UE5.0
UE - AI Workflows - UI Systems - Apr 21, 2022Allow Cinematic Control is reset to true when restarting the editor
UE - Editor - Verse Class Editor - May 31, 2023When restarting the editor the viewport will have its Allow Cinematic Control flag reset to true. ...
Affect Indirect Lighting While Hidden can affect the environment after data layer unload in editor
UE - Engine Scaling - Streaming - Data Layers - Sep 9, 2024After setting Affects Indirect Lighting While Hidden but before saving the level, the emissive contribution persistents through datalayer visibility toggles. This does not appear to occur in PIE, on ...