Unreal Engine Issues
Unreal Engine Issues
"Corrupted" .TM file is created on disk when user is missing space
TM - Core - Nov 8, 2024Nanite TwoSidedSign is backwards
UE - Graphics Features - Nanite - Apr 10, 2025The value of MaterialExpressionTwoSidedSign is flipped when calculating the Opacity Mask for Nanite meshes. This seems to be a regression in 5.5. ...
Replication default setting of child blueprint resets if parent is compiled
UE - Gameplay - Blueprint - Jul 20, 2015The setting for Replication on a Blueprint variable resets to None of the Blueprint's parent BP is compiled. ...
Changing UPROPERTY() settings causes detail components to vanish in editor
Tools - Mar 11, 2015When a UPROPERTY() macro is changed and the recompiled, the hot reload in the editor will cause any BP based on the class to lose certain aspects of the Detail panel such as the actor's transform. ...
Static mesh loses static mesh reference when Alt-dragged in viewport if filepath contains []
Tools - Sep 3, 2015Static meshes lose their static mesh reference when alt-dragged in viewport. This only occurs if the mesh is located in a filepath containing square brackets ( [] ) within the filepath name. Additio ...
UMG widgets aren't cleared when levels are swapped via 'open LevelName'.
UE - Editor - UI Systems - Oct 30, 2014If a level has UMG widgets, swapping to other levels (including the level you're already on) doesn't clear away the UMG widgets. ...
Planar Reflection seems to render inverted
UE - Platform - Mobile - Jul 6, 2016Planar Reflections seem to be inverted on mobile devices. The angles seem to be off too. ...
Delay nodes used in a macro cause subsequent macro calls during the delay to never complete
UE - Gameplay - Blueprint - Sep 6, 2016Calling a macro that has a delay node again before the original call's delay could finish will cause the second call to be ignored when reaching the delay node. This did not occur in 4.12.5 and is n ...
Restore Open Asset Tabs on Restart Becomes Unselected upon Restart
Tools - Jan 5, 2016Although Asset Tabs will be restored, the option to "Restore Open Asset Tabs on Restart" in the Editor Preferences becomes unchecked after a crash thus causing the user to remember to select it afte ...
Memory Leak in Actor Component Blueprints
UE - Gameplay - Blueprint - Dec 2, 2015Slow memory leak occurs after opening Actor Component blueprints. ...