Unreal Engine Issues

Crash when using AActor::Rename to change the Outer of an actor to a SubLevel

Using AActor::Rename to change the Outer of an actor to a SubLevel will cause the editor to crash when the AActor is shown in the World Outliner. Regression?: Yes This does not happen in 4.18 but ...

Crash on debugging a minimized Blueprint (access violation in SWatchTreeWidgetItem)

Debugging a blueprint with a breakpoint while the Blueprint Editor window is minimized causes the editor to crash. Tested in 4.21.2 (CL - 4753647), 4.22 (CL - 5531554), 4.23 (CL - 5586947) ...

GeometryCollectionActor SetSimulatePhysics false does not stop Physics Simulation

If the GeometryCollectionActor (GCA) is simulating physics, calling SetSimulatePhysics(false) does not stop the simulation. If the simulation is paused, calling SetSimulatePhysics(true) does as expe ...

Intermittent Crash in SGraphNode when saving

Licensee observed crash in SGraphNode after modifying comments on blueprint nodes and saving. Has seen similar crashes before, unable to figure out how to reproduce them. ...

[Sound Cue][Open World] - Crash when creating a Sound cue from an Ambient Sound actor on an Open World map

When trying to recreate an issue that resulted in [Link Removed], I came across this call stack.   Regression testing done in //UE4/Release-4.27.2 CL-18427296 and this issue did NOT happen. ...

Crash occurs in the Editor when multiple instances of the same Blueprint are selected in the level and the Reset to Default button next to a component of the Blueprint is clicked in the Details panel

When multiple instances of a Blueprint in a level are selected, any component added to that Blueprint's parent class in code will appear in the Details panel with the words "Multiple Values" and a R ...

Crash when updating instanced subobjects in a USTRUCT

Attempting to edit array of instanced subobjects causes the editor to crash. ...

Editor crash when searching in Add Object menu after creating a Niagara System asset in the Motion Design editor mode

Axis Mapping event names do not update when changed in project settings

Axis Mapping event names do not update when changed in project settings. This can cause axis events to no longer function as expected and then need to be replaced with another event after the name h ...

Datasmith .WIRE Import - Shader name inserted into Material Element Slot

Can we please implement a feature whereby the shader name applied to surfaces / objects is used for the Material Element Slot? When using Dataprep and replacing the materials using a table, it give ...