Unreal Engine Issues

Editor crashes when a hot reload is performed on a project that contains a custom User Defined Struct code class

Adding a custom User Defined Struct code class to a project causes the Editor to crash whenever a hot reload is performed on that project. Removing the custom User Defined Struct class allows hot re ...

GeometryScript_TextureUtils.sample_texture2d_at_uv_positions in python

Licensee- "GeometryScript_TextureUtils.sample_texture2d_at_uv_positions does not work in python. The uvlist becomes nullptr from python to C++. BP is working fine." ...

Crash calling destroy actor for Geometry Collection while it's simulating

Crash occurs when user call Destroy Actor on a Geometry Collection Actor. This seems to only occur while the actor is simulating. If called while on the ground, it doesn't seem to occur. ...

TMap<Bool is disallowed despite bool having a hash

Reproduced 3/3 times. User is unable to create a new TMap with bool key through Blueprints (which is the expected result).  Issue is technically a Regression, as the ensure does not occur in //UE5/ ...

Editor crashes when edit foliage assigned to data layer in foliage mode

Crash after Undo and garbage collection on sequencer track

A crash occurs after adding an additional camera track, undoing the additional, and then calling garbage collection Appears to be the same callstack found here [Link Removed] ...

Performing a launch on to windows, and then enabling world HLOD and opening the outliner will crash the editor

5.3 crashes when loading a map with an actor that had the class of one of its components changed

Create a blueprint based on actor, give it a SceneComponent named ExampleComp (BP_TestActor) - this should be the blueprints only componentCreate a new level (TestMap), place an instance of the bluepr ...

Editor crashes if Sequencer has keyframes for a variable that has changed

The Editor crashes if loaded sequence has keyframes for an actor variable that has been changed, instead of soft erroring out. This was reported and tested on 4.20.3 (CL-4369336). It was reproduced ...

Editor crashes when calling a "scroll into view" node with missing parameters

There is an issue where Editor crashes when calling a "scroll into view" node with missing parameters. This issue should be caught when compiling the blueprint as one of the values should not be nul ...