Unreal Engine Issues

[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 when copy/pasting an emitter in the Niagara timeline

When creating the emitter's track widget we search for the stack view model's root entry, but the stack view model pointer is null, so we crash.  ...

External Data Layers content not there when activating game features during runtime

Calling Console Commands in Python doesn't execute

The console commands do not execute from Python if optional PlayerController parameter is not filled. Tested in 4.20.3 (CL- 4369336), 4.21.2 (CL - 4753647), 4.22 (CL - 4902349) ...

NavMesh movement sweep behavior should not be based on bGenerateOverlaps

A separate new flag should be used to control the sweep behavior of characters using Nav Walking behavior in CharacterMovementComponent. Existing assets should upgrade to set the value of this new f ...

Unable to change Blueprint Child Variable values in Python

Using the Python function unreal.SystemLibrary.set_bool_property_by_name() to change the default variable values of a child Blueprint do not work as intended. Tested in 4.20.3 (CL - 4369336), 4.21. ...

Convex Collision is incorrect for negatively scaled object that are attached to a physics actor

Convex Collision is incorrect for negatively scaled object that are attached to a physics actor. This doesn't happen for object with standard collision or object attached to non-physics actors. The ...

K2Node_CallParentFunction has incorrect tooltip when duplicating a BP

The code executes correctly at runtime, but the tooltip is incorrect. There is logic applied in CallFunctionHandler.cpp that handles the runtime execution, but that logic is missing the the tooltip. ...

Screen Space Reflections not showing in Panoramic Capture

Reflections not showing in Panoramic Capture images. Reported and tested in versions 4.25.3(CL 13942748), 4.24.3(CL 11590370), and 4.23.1(CL 9631420).  ...

M_Volumetric_Sky_Prototype Material has compile errors

The material "M_Volumetric_Sky_Prototype" has numerous compile errors that prevent it from being used. This was reported and tested in 4.25 Preview 2 (CL-12055273) and reproduced in 4.26 (CL-121923 ...