Cook issue, the morph target from the running platform can replace the target platform

UE - Editor - Content Pipeline - Asset Build - Jan 5, 2022

[AI] Compilation error when using const version of FNavigationPath::CastPath<PathClass>() const

UE - AI - Navigation - Jan 5, 2022

Const version of function is not used elsewhere in the engine so it usually gets skipped when compiling. Produces the following error when compiling:  UnrealEngine\Engine\Source\Runtime\Navigation ...

Closing editor after quitting a standalone game causes a crash.

UE - Editor - UI Systems - Jan 4, 2022

The editor will produce a crash most of the time when closing editor after quitting a standalone game. This is a regression due to it not occurring in 4.26. ...

MoviePipeline: Python Editor example can double-up objects in-scene

UE - Anim - Sequencer - Jan 4, 2022

See the UDN for sample project. This is caused by the Editor Python sample not using the UMoviePipelineQueueSubsystem, which (when rendering) blocks the Sequencer from auto-binding to PIE. The fix ...

Editor crashing with density scaling is enabled on foliage being placed on a terrain.

UE - World Creation - Worldbuilding Tools - Foliage - Jan 3, 2022

Created a new level and added a terrain. Added grass foliage and enabled density scaling located in the grass foliage settings mode. After placing foliage on terrain, the editor crashes. This is ...

Anim Notify categories don't show up in details panel

UE - Anim - Runtime - Dec 16, 2021

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Custom Primitive Data types do not work with Procedural Meshes even though the option exists in their Details Panel

UE - Graphics Tools - Modeling Tools - Dec 16, 2021

This is a not a regression. Tested in UE5(Binary), UE4(Binary), and UE5 Main(P4). Procedural Meshes have the option for CPDs listed in their details panel under Rendering > Advanced >Custom Primit ...

Volumetric Clouds appear in front of foreground objects in the Right Eye of VR Headsets

UE - Platform - XR - Dec 15, 2021

It seems that volumetric clouds in the background appear in front of objects in the foreground in the right eye of a VR headset. I also tested in //UE4/Release-4.26 @ CL 15973114 and the results wer ...