Unreal Engine Issues

Animation System relies on FindFunctionByName which is not thread safe.

Currently, there are several places in FAnimInstanceProxy and FAnimNode_Base (and derived classes) that rely on FindFunctionByName in order to resolve transitions, evaluate pins, etc. This can happ ...

[CrashReport] UE4Editor-CoreUObject!UNameProperty::ExportTextItem(FString &,void const *,void const *,UObject *,int,UObject *) [PropertyName.cpp:27]

Generated from CrashReporter Comment from user:Opening de custom node in material editor crashes editor ...

Importing .glb file results in crash

When importing a .glb file from Blender, the editor crashes. The user has been able to import other .glb files, but ran into an issue with the one provided being unable to be imported.  ...

GAS: GameplayCueNotify OnActive executed twice for Duration GEs on Standalone+ListenServer

When playing Standalone or as Listen Server, whenever a GameplayEffect with a duration is applied that fires gameplay cues, the server will locally execute OnActive twice on GameplayCueNotify_Actors ...

Engine crash when Scene Capture Component 2D is added to viewport with forward rendering

If forward shading is enabled and shadows are disabled, adding an actor with a SceneCaptureComponent2D and static mesh to the viewport will cause the editor to crash. Regression: Yes - this crash o ...

Project crashes when creating a Standalone Window editor plugin, restarting, and immediately playing as Standalone Game

If the user creates a Standalone Window Editor plugin and restarts the editor then immediately plays the game as Standalone Game, the editor hits an assert. [Link Removed] Appears to only happen i ...

[CrashReport] UE4Editor_SlateCore!TWeakPtr<SWidget,0>::Pin() [sharedpointer.h:1120]

This is a trending crash in the 4.17.0 release. User DescriptionsEditor is crashing each time when i start movie rendering in sequencer (Separate process) Source Context 1109 /** 1110 ...

UnregisterAsyncPhysicsTickActor not being called when actors end play via UWorld::RemoveFromWorld

Assert / crash resolving TSoftObjectPtr when exiting PIE

The main landscape actor's outer level's WorldSettings gets nullified by GC on PIE end, which leads to this problem. For some reason, this only seems to occur with the attached custom game mode : it ...

Editor Crash While Using "Snap to Floor" Shortcut on Some Foliage Instance.

When pressing the End key to have a foliage mesh "snap to floor/surface" the editor will crash. Found in 4.21 CL# 4753647, 4.22 CL# 5660361, and 4.23 CL# 5898046 ...