Unreal Engine Issues
Unreal Engine Issues
Map placed actor binding to another actor's Event Dispatcher (multicast delegate) results in duplicate bindings after blueprint recompile
UE - Framework - Blueprint - Apr 17, 2025Context Blueprint actors placed on the map can bind to another actor's event. If an ActorB has a reference to ActorA, it can bind to an event dispatcher in A by creating an event node in ActorB's e ...
Editor Crashes when attempting to copy/paste nodes in Material Editor
UE - Graphics Features - Nov 18, 2014UPDATE: 1/8/2015 Crash Reporter: [Link Removed] Callstack: <unknown module>! KERNELBASE!RaiseException() <unknown module>! UE4Editor_Core!FOutputDeviceWindowsError::Serialize() <unknown module> ...
Adjusting slider in Blend Space Animation causes editor to Crash
OLD - Anim - Oct 28, 2014UPDATE: Date: 2/5/2015 Likely an instance of the same crash: [Link Removed] CrashReporter Bugg (Crash List): [Link Removed] When updating a project from UE4.4.3 to UE4.5.1 editor crashes when adju ...
Bloated instruction counts in the material editor causing long compiles
UE - Graphics Features - Apr 17, 2019artists are dealing with greatly increased iteration times due to long shader compiles when working in the material editor. This has regressed over time as we add more features to the point were wor ...
GUID property is not fully generated for a component added to a Blueprint in the Editor
UE - Gameplay - Blueprint - May 1, 2017If a component contains a GUID property, and that component is added to a Blueprint in the Editor, that property is not fully generated for instances of the Blueprint. Only the first part of the GUI ...
Making changes to a Camera Shake while previewing the Camera Shake triggers a crash
UE - Anim - Sequencer - May 23, 2022This is not a regression. Tested in //UE4/Release-4.27 CL 18319896 Making changes to a Camera Shake while previewing the Camera Shake triggers an Assertion upon compiling. ...
Reimported mesh doesn't remove unused material slot
Tools - Jun 8, 2018Only once operation of Reimport could provide correct updated material slots ...
[CrashReport] UE4Editor-D3D11RHI!VerifyD3D11Result(long,char const *,char const *,unsigned int,ID3D11Device *) [D3D11Util.cpp:249]
UE - Rendering - Architecture - RHI - Aug 16, 2019Generated from CrashReporter Updated ticket for [Link Removed] which was stale. ...
[CrashReport] UE4Editor_AIModule!FEnvQueryInstance::PrepareContext() [envqueryinstance.cpp:128]
UE - AI - Dec 14, 2017Comment from user:Moving EQS Testing pawn with live update ...
Possessable with attach track has incorrect transform when converted to spawnable
UE - Anim - Sequencer - Dec 17, 2018When converting to spawnable the transform of an actor is not correctly updated if it has an attach track. ...