Unreal Engine Issues
Unreal Engine Issues
bIgnoreAllPressedKeysUntilRelease only applies to keys in the previous mapping
UE - Gameplay - Input - Jun 16, 2022This is because the RebuildControlMappings function only checks this flag when you have a mapping that was already added, we should apply this for any new mappings as well. I'll update the repro s ...
Copy-pasting custom property nodes (ControRig etc.) results in invalid bindings, perf issues
UE - Anim - Rigging - Control Rig - Jul 28, 2025From this UDN: [Link Removed] Suggested fix:Override PostPasteNode to perform the GUID update andAdd validation on load to strip 'invalid' copies that do not correspond to a valid pin input ...
Editor crashes when adding custom CameraComponent to BP with CameraSettings hidden
UE - Gameplay - Components - Oct 8, 2015Using the HideCategories = (CameraSettings) specifier inside a custom CameraComponent class will cause the editor to crash when the component is added to a blueprint. Restarting the editor will sho ...
Crash when Child Actor Component overlaps Parent static mesh inside of the blueprint editor
UE - Gameplay - Sep 21, 2015Crash when Child Actor Component, that is set to Destroy Other Actor on overlap, overlaps Parent static mesh inside of the blueprint editor Crash Reporter: [Link Removed] ...
Adding widget to viewport on code overlap event causes the editor to crash when opening child blueprint
UE - Editor - UI Systems - Oct 30, 2015Setting a UMG widget to be added to viewport when a volume is overlapped though code and creating a blueprint of this class causes the editor to crash when the blueprint is opened if the BP has a st ...
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 ...
Infinite Script Recursion error crashes editor and produces UnrealScript errors in logs
UE - Gameplay - Blueprint - Aug 14, 2015Macro that causes an infinite script recursion error crashes editor and produces errors in output log referring to UnrealScript. Frequency: 3/3 Crash Reporter; [Link Removed] ...
User's project crashes when right clicking a blueprint
UE - Gameplay - Blueprint - Jan 6, 2016If the user right clicks on the AbilityBase blueprint the editor will crash. ...
Crash on Importing specific Animation Only FBX
Tools - Nov 16, 2015When importing the attached FBX file with only Animations, the editor will crash. The Same asset will import without error in 4.9.2 Crash Reporter BUGG: [Link Removed] ...
Delay Node not persisting through Concatenator Node in Sound Cue Editor
UE - Audio - Mar 11, 2016Sound Waves do not continue to play when using a delay node before a Concatenator. I tested this issue in the binary releases of 4.9.2 and 4.10.4 and it did not occur in either version. ...