I am using the orthographic camera preview fairly extensively for making an in-engine Tiling Texture maker. This feature is currently busted since the orthographic camera preview window is rendering static meshes as a flat grey color regardless of what material you put on them.

Changing the camera projection to Perspective fixes this, but that is not a solution since you cannot use a perspective camera to set up views for a tiling texture.

The included Answerhub link has images for this.

Upd: Set Regression as NO as previous versions are listed in Affected Versions field

Steps to Reproduce

Place a camera actor in a level that has some basic geometry of some kind. Observe materials in camera preview window. Then change detail->projection mode-> to Orthographic. Notice all materials get replaced with flat grey.

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Cannot Reproduce
ComponentUE - Graphics Features
Affects Versions4.
Target Fix5.1
CreatedJan 17, 2015
ResolvedApr 6, 2022
UpdatedApr 7, 2022