M_Volumetric_Sky_Prototype Material has compile errors

UE - Content - Engine - Mar 17, 2020

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 ...

Crash when using Share Material Shader Code and Native Metal Libs with r.Shaders.Optimize=0

UE - Rendering Architecture - RHI - Mar 17, 2020

Using r.Shaders.Optimize=0 with native metal libs results in a crash of the packaged build at runtime. Workarounds is to either not use native metal libs for text shaders or in MetalShaders.cpp co ...

Map Get Node Pins In Niagara Module Scripts Can't Search For Standard Data Types

UE - Niagara - Mar 16, 2020

This wasn't like this in 4.24 (see attached images). If you create a variable Engine.Owner.Position the search will find it however. Found in 4.25 Preview 2. Reproduced in 4.26 Main. ...

Adding a camera cut track through sequencer scripting does not set the movie scene's camera cut track

UE - Anim - Sequencer - Mar 13, 2020

When adding a camera cut track through sequencer scripting there is no way to set the camera cut track on the movie scene, which is how the add track menu determines if a new one can be added. This ...

Enabling Anisotropic BRDF causes crash upon Editor restart

UE - Graphics Features - Lumen - Mar 13, 2020

Enabling the Anisotropic BRDF (beta) causes crash upon restarting the Editor. This was reported and tested in 4.25 Preview 2 (CL-12055273). This was reproduced in main 4.26 (CL-12161634). ...

Hidden Shadows Aren't Rendered When Raytracing Is Enabled

UE - Graphics Features - Lumen - Mar 13, 2020

Hidden shadows aren't rendered when ray tracing is enabled. Found in 4.25 Preview 2 CL#12055273 Reproduced in 4.23.1 CL#9631420, 4.24.3 CL#11590370, 4.26 Main CL#12123513 ...

Unable to select Foliage in the World Outliner

UE - World Creation - Worldbuilding Tools - Foliage - Mar 13, 2020

Foliage is not an asset that you can select through the World Outliner and the "Select" button in Foliage Tool is not working for this case. If you create new foliage, it will be set to scale 0 and ...

Clothing Simulation popping

UE - Simulation - Physics - Character - Mar 12, 2020

Crash/ensure when linking anim layers from animation update

OLD - Anim - Mar 12, 2020

Originally reported here: https://udn.unrealengine.com/questions/562047/linked-layer-animation-blueprint-proxy-missing-ske.html When linking an anim layer during update, we get either an ensure or ...