Unreal Engine Issues
Unreal Engine Issues
Shadows Replicated to Second Player while in Multiplayer PIE using Single Process
UE - Graphics Features - Jun 27, 2016When running multiplayer PIE in the Third Person Example project, if player one is shadowed, the second player also becomes shadowed. This almost seems expected as it is being run as a single proce ...
Fresnel material doesn't display properly in content browser and sometimes weird in material viewport
UE - Rendering Architecture - Materials - Aug 4, 2015When a material is created and saved using the fresnel node, the fresnel effect does not show in the Content Browser thumbnail. Also, when editing the material, zooming in and out with the mouse wh ...
Access Violation crash deleting a Widget Blueprint with an unsaved Animation track - FSequencer::Tick()
UE - Anim - Sequencer - Jun 19, 2017Encountered an Access Violation crash while deleting an Widget Blueprint with an unsaved Animation Track. The callstack references FSequencer::Tick(). I was not able to reproduce this issue in UE4/ ...
Hierarchy filtering does not work in world composition
UE - World Creation - Worldbuilding Tools - World Composition - Apr 18, 2018Report with proposed fixhttps://udn.unrealengine.com/questions/428300/world-composition-hierarchy-filtering.html ...
Landscape visualizers don't work on nanite landscape
UE - Graphics Tools - Terrain - Nov 24, 2025Landscape visualizers do not work on Nanite Landscapes. Also tested in //UE5/Main/, CL: 48569009 The licensee has provided a patch file with a potential fix. ...
Overridden custom functions have inputs locked when parent actor is altered
UE - Gameplay - Blueprint - Sep 14, 2016Overridden custom functions have inputs locked when parent actor is set to different blueprint type. Regression (no) issue (does) occur in 4.12.5 ...
Second controller input doesn't work in fullscreen mode on PIE.
UE - Editor - UI Systems - Jun 29, 2020When two controllers connected, player2 input is disabled in full screen mode in PIE. This doesn't appear to be in focus. If seeing the any focusing widget, player1 focused on SViewport, but player ...
Absolute World Position post process no longer works in mobile preview
UE - Platform - Mobile - Sep 2, 2020User reports this work correctly in 4.24, but now no longer works as expected in 4.25.I don't have a clear CL just yet, marking unconfirmed. If you change the settings to use ES3.1 Preview and just ...
Child actors cannot be recognized as children of parent actor within parent blueprint
UE - Gameplay - Blueprint - Jul 16, 2015Parent blueprints do not recognize child class actors as the same type as the initial parent blueprint. This makes it difficult to create a master blueprint for spawning/ai control/etc. ...
Previewing Nav Mesh in DX12 Mode causes Editor to Crash
UE - Graphics Features - Mar 7, 2016In UE4.11p6, previewing Nav Mesh in DX12 Mode causes Editor to crash. ...