Spawnable empty actor loses components after editor restart

Tools - Sequencer - Mar 19, 2020

Empty actor spawnables do not have any components after an editor restart. ...

Soft Object References set directly on parameters are not correctly referenced

Gameplay - Mar 19, 2020

REGRESSION: This regressed between 4.23 and 4.24 Assets set directly in a soft object reference pin on a blueprint function are not correctly referenced. ...

'Render static' flag crashes editor in OpenGL ES3.1 shader complexity view mode

Platform - Mobile - Mar 19, 2020

https://udn.unrealengine.com/questions/563316/render-static-flag-crashes-editor-in-opengl-es31-s.html ...

Warp Utils plugin crashes on Editor restart

Tools - Virtual Production - Mar 17, 2020

Enabling the Warp Utils plugin and restarting the Editor causes it to crash. This is a regression from 4.24.3 (CL-11590370). This was reported and tested in 4.25 Preview 2 (CL-12055273) and reprodu ...

M_Volumetric_Sky_Prototype Material has compile errors

Engine - Content - 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

Rendering - 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

Rendering - 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. ...

New VR-Basic level triggers Metal validation layer assertion

Platform - Mac - Mar 16, 2020

This was discovered externally and reported on UDN here: https://udn.unrealengine.com/questions/563268/mac-editor-crash-when-disable-ambient-occlusion.html ...

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

Tools - 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 ...