Unreal Engine Issues
Unreal Engine Issues
Ray traced shadows appear even after the mesh is hidden
UE - Graphics Features - Lumen - Oct 13, 2020bCastHiddenShadow flag in UPrimitiveComponent doesn't affect ray tracing shadows ...
[MetaSound][Editor] - The base submix toggle is ignored when previewing sounds on the MetaSound graph
UE - Audio - MetaSounds - Apr 1, 2022The Enable Base Submix toggle is ignored in the MetaSounds graph. If the sound is added to a level, it behaves as expected. The Enable Submix Sends toggle works as expected. ...
Montage keyframes calculation error
OLD - Anim - Apr 28, 2016Animations are not showing proper length when converted to Montage. Up to 98 frames (AFAIK) when converted to Montage, the Montage will show the correct number of keys. However, a 100-frame anima ...
Particle light module doesn't work if forward rendering is enabled
UE - Graphics Features - Dec 13, 2016There's a UDN link below, the second images in the thread shows this problem. It should be noted that the light module will cast light in forward rendering if "High Quality Lights" is checked in the ...
Clicking on object causes EndInputTouch to fire on the press instead of the release
UE - Editor - UI Systems - Slate - Sep 18, 2018When clicking on an object EndInputTouch sometimes fires on the press instead of the release. This was not an issue in 4.19.2 (CL-4033788) and is a regression. However the functionality doesn't appe ...
Asset referencing error on a Python Pipeline Asset
UE - Editor - Content Pipeline - Import and Export - Sep 18, 2023[Image Removed] ...
Using a Shading Model node set to Unlit results in an invalid material with FromExpression domain
UE - Rendering Architecture - Materials - Feb 29, 2024Create a materialSet its domain to From ExpressionRecreate the node graph as in the screenshot Note that the preview sphere is black. ...
Editor mode tabs can get corrupted in the layout
UE - Editor - Workflow Systems - Apr 2, 2024This can happen with any mode. What actually happens is, when closing the Editor, the Editor saves its layout before closing the active Editor Mode, which leads the editor to think the tabs are sti ...
"Visualize Level Instance Editing" defaults to on, during sequencer playback (for sequences withing a level instance)
UE - Anim - Sequencer - Nov 7, 2025Version: Main branch 46320669; 5.7 Preview Epic Launcher pre-built; Issue: Playing a <sequence> that is withing a <level instance> turns back on gray <level instance editing> visualizing shader e ...
Pilot actor no longer generates undo transactions
UE - Editor - Workflow Systems - Jan 22, 2024The piloting feature in the editor viewport is not undoable with Ctrl+Z It also does not cause the actor to become dirty so any changes during piloting are lost and not saved (user also not prompted ...