Unreal Engine Issues

Actors disappearing after saving a large number of modifications to world partition maps

From Licensee: "We've encountered a world partition bug where newly created actors go missing in the viewport and Outliner after saving modifications to a large number of actors. This bug is partic ...

GPU Lightmass and HLOD not working

(Enduring Games) Conversation with customer includes test project within which the config changes are also present for review. ...

Blueprint Interface Implemented and Inherited Interface naming is reversed

Naming for Inherited Interfaces and Implemented Interfaces is reversed in 5.1 and Main. Inherited interfaces act like implemented interfaces, and inherited interfaces appear listed under Implemented ...

Creating a new C++ class derived from the UAbiltyTask from the Gameplay Ability System plugin fails to compile

This is not a regression Tested in //UE5/Release-5.0 CL20979098 Creating a new C++ class derived from the Abilty Task from the Gameplay Ability System plugin fails to compile. From the Live Coding ...

Ctrl key Transform Sensitivity Control Conflicts with RMB Viewport Controls

When you hold down Ctrl key in the viewport set to Perspective mode, you can transform the selected actor(s) without having to actually click the transform gizmo. So Ctrl+LMB transforms on the X axi ...

[XBox] -Switching to very high sample rate audio device on XBox causes crash

When switching to an audio device with an unsupportedly high sample rate on XBox, XAudio2System->CreateMasteringVoice will crash. Ideally, it would give a warning instead and swap to the null render ...

Editor crashes after executing the command r.DisplayInternals 1 or r.DisplayInternals = 1

This is not a regression. Tested in //UE5/Release-5.0 CL22346211 Editor crashes with an assertion after executing the command r.DisplayInternals 1 or r.DisplayInternals = 1 ...

Shader Complexity viewmode is not displayed correctly in the material editor.

Floor is correctly displaying Shader Complexity. ...

Server using -useperfthreads command line causes crash if rendering thread is required for function execution

Artefacts with Volumetric Clouds

(Enduring Games) Please see UDN - Case includes project and potential fix from customer. Need to verify that it does not affect other parts of the volumetric composition. bHasValidSamples is the sam ...