Unreal Engine Issues
Unreal Engine Issues
FIXIF: Using the Merge Blueprints feature crashes the editor
UE - Gameplay - Blueprint - Feb 18, 2015Using the Merge Blueprints feature crashes the editor. This repro is for clicking between the error and warnings while merging, but the editor will generally crash if the Merge is finished or if an ...
Directional Light settings remain from previous level when creating new level when using forward rendering
UE - Graphics Features - Jun 8, 2018Using Forward rendering, directional light settings persist across levels and after deletion. Video attached, shows problem in Dev-VR but same issue occurs in Release-4.20 ...
Packaging failed! toast does not replace the previous toast
Tools - Nov 29, 2017Packaging failed! toast does not replace the previous toast. Users are able to click the Dismiss button for the most recent toast, but not for any others. The Show Output Log link works on all acti ...
Lyra 5.5 - LAS_ShooterGame_SharedInput has got a missing reference on InputMapping #1
UE - Gameplay - Input - Jan 27, 2025The templated Lyra project for 5.5 is missing a reference to IMC_Default_KBM on /ShooterCore/Experiences/LAS_ShooterGame_SharedInput because it looks like IMC_Default_KBM was renamed to IMC_Default. ...
REINST error when replacing a Widget that was added via the user created section
UE - Gameplay - Blueprint - Oct 5, 2015When a user deleted a widget that has been added to another blueprint via the user created section. If this blueprint in referenced in another blueprint that reference will throw a REINST error and ...
Changing levels after setting an images material to a dynamic material with a widget blueprint that has been added to the viewport within a HUD blueprint will cause a crash
UE - Editor - UI Systems - Sep 21, 2015A crash occurs if the following conditions are metSetting an image widget to a dynamic materialAdding the widget blueprint to the viewport from within a HUD blueprintChanging levels ...
Morpher Animation incorrect if Names Overlap on Imported Mesh
UE - Editor - Content Pipeline - Import and Export - Sep 19, 2019Overlapping names are imported (with extra renaming), however they fail to attach the animation. Found in 4.22 CL# 7053642, 4.23 CL# 8386587, and 4.24 CL# 8748719 ...
Navmesh does not update according to the volume, when an actor with a navigation volume tied to a parent is moved.
UE - AI - Navigation - Jul 14, 2023When a NavmeshBoundsVolume or NavModifierVolume is parented to another actor in the outliner, navmesh is not updated along the volume when the parent actor is moved. If the volume is deleted and the ...
USourceControlHelpers::IsEnabled crashes shipping builds
UE - Editor - Workflow Systems - Aug 11, 2025The licensee has reported that the naming of the IsEnabled node is not descriptive enough and can be easily confused with other IsEnabled functions or variables. The Licensee has requested that the ...
Possible data loss/corruption when loading levels in editor
UE - Gameplay - Jul 18, 2018Reported behavior: Given Level_A which contains object_X, where object_X references Level_BDeleting object_X causes AssetRenameManger to check if we need to patch up other levelsLevel_B is load ...