Unreal Engine Issues

Editor Crashing on Details Panel when Calling ForceRefresh

Editing bool of the nested child CrashableDataAsset causes crash. Expected: CrashableDataAsset children are properly assigned. Result: Engine crash ...

ApplyLimits AnimGraph Node has incorrect functionality

In AnimNode_ApplyLimits.cpp the inputs for the ConstrainAngularRange function are going to the wrong rotator values. The XYZ of the node's input vec3 is being stored in YPR of the clamped rotator, w ...

Niagara Memory Leak in vertex buffer when increasing particle spawn rate on CPU sims

Increasing the spawn rate of a CPU particle sim will cause a memory leak in the vertex buffer.  ...

CullDistanceVolumes don't update correctly

[Concurrency] - Voice Steal Release Time Doesn't Work when using a Priority Based Resolution Rule

When using a Priority based Concurrency rule, the Voice Steal Release Time is ignored and ejected sounds stop abruptly. Test Notes: See attached video. Note: I've shelved the test map and assets ...

Custom Playback Range does not work for the Movie Render Queue in Shipping Builds

Assertion failed in FNetGUIDCache::CleanReferences during seamless travel after reloading primary asset package

Following this sequence of events, the ObjectLookup and NetGUIDLookup on the server's PackageMapClient will end up in a bad state. In the ObjectLookup Map, the primary asset's package will be mapped ...

Saving Behavior Tree with Blueprint task inheriting from native class invalidates Blackboard key when BP contains a function

A regression introduced in UE 5.6 causes Blackboard key selectors in Blueprint tasks to become invalid when the Blueprint inherits from a native subclass of UBTTask_MoveTo (or UBTTask_BlackboardBase ...

BlueprintNativeEvent in Component Subclass does not show up in BP with the component

If a function is marked as BlueprintNativeEvent inside of a class that inherits from a component (Scene component, Actor component, etc) then the function cannot be called in a blueprint with the co ...

Right-clicking in the Event Graph of a second Blueprint created using Create Blueprint Using This... will crash the editor

Right-clicking in the Event Graph of a second Blueprint created using Create Blueprint Using This... will crash the editor. Crash Report: [Link Removed] Call Stack:<unknown module>! KERNELBASE!Rai ...