Unreal Engine Issues

Crash occurs in Hierarchical Instanced Static Mesh of Mesh with MinLOD set to 1 or higher

I have attached a reproduction project with the above settings.[Link Removed] It crashes when packaged, launched and moved in-game. This issue seems to occur when there is an object in the Unbuilt ...

Crash when press F5 key any Test build project

When the F5 key is pressed during the lunch of the application created by Test configuration, the application will crash. This depends on the project. No Crash: Third Person project, ShooterGame ...

Light rendering becomes broken when at a distance of ~1000000 from origin

Tested at X=20,000 with no issue Tested at X=500,000 with no issue Tested at X=1,000,000 issue occurs NOT A REGRESSION ...

Texture2D values and gradients are incorrectly appended in Alpha channel

After creating new material and inputting a texture coordinate node, and connecting with two mask nodes for R and G, then connecting to "Make Float 4" nodes, the values in the Alpha Channel don't ma ...

Bloom intensity broken with Post Processing Material replacing Tonemapper

When replacing the Tonemap using a Post Process material, the Post Process Volume's Bloom Intensity can only be turned on or off, without varying degrees of effect. Reported in version 4.25.3(CL 1 ...

Decal Fading parameters are completely broken

Camera Position node does not work with Light Functions

When a Light Function material is applied to a light source, and after using a camera position node and plugging that node into the Emissive Color option there is no light being emitted from the lig ...

Volumetric Translucent Shadow not showing in game mode

Volumetric Translucent Shadow not showing in game mode for versions 4.23-4.25.  Reported and tested in versions 4.25.3(CL 13942748), 4.24.3(CL 11590370), 4.23.1(CL 9631420), 4.22.3(CL 7053642). Wor ...

RVT sample texture param ignores groups.

RVT texture sample params ignore groups and ignore existing groups. ...

Crash when spawning an actor with an AtmosphericFogComponent in a packaged build

Spawning an actor that contains an AtmosphericFogComponent results in a crash in a packaged build. It doesn't occur in PIE, or StandAlone.  ...