Unreal Engine Issues
Unreal Engine Issues
[Sequencer] Setting additive transform keyframes on Actor Blueprints (using S hotkey) causes Actor to pop
UE - Anim - Sequencer - Jun 22, 2023See attached gif for popping behavior. The issue does not occur if using the Enter hotkey or clicking the Add Keyframe button. The issue also does not occur on static or skeletal meshes. ...
Expensive WaitForTask in SceneCapture2D
UE - Rendering Architecture - Nov 20, 2023UDN users have reported that expensive scene captures stall the render thread due to RDG flushing the RHI thread for resource deletion. This only needs to happen once per frame. ...
Event Dispatcher name changes do not propagate to related nodes until the editor is restarted
UE - Gameplay - Blueprint - Mar 17, 2015Event Dispatcher name changes do not propagate to related nodes until the editor is restarted. This does not appear to affect functionality in 4.7.2. In Main, the nodes must be refreshed to restore ...
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 ...