Unreal Engine Issues

BSP Converted to Static Mesh with Multiple Materials Will Only Show Element 0 After Migrating and Changing LOD Settings

Ribbon particles moving fast are inconsistent in initial position.

The fast-moving ribbon particle trail looks different on the server and client. It looks as though the client was drawing the previous frame. ...

Ray Traced Reflections Get Darker The Higher The Rougness Value is for Metallic Materials

Instead of reflecting an average color of the surrounding, reflections become black with increased roughness values. Found in 4.22 CL# 6574378 and 4.23 CL# 6925347 ...

Placeable UCLASS specifier doesn't override parent classes NotPlaceable UCLASS specifier

When the child of an actor with the UCLASS specifier NotPlaceable has the UCLASS specifier Placeable it still isn't placeable. This behavior doesn't occur in 4.20.3. Found in 4.22 CL#7053642 Reprod ...

Niagara Systems are reset after changing the sg.EffectsQuality

Changing the effect quality from the console window causes Niagara systems to reset their visibility. Tested in 4.22.3(CL - 7053647), 4.23 (CL - 8386587), 4.24 (CL - 9023396) ...

Landscape Resample Tools does not keep Streaming Proxy

alone ...

Creating a new C++ Synth Component results in a failed compile linker error.

Upon creating a new Synth Component C++ Class in Unreal 4.24, the compiler will fail to compile with a Linker error. ...

Landscape Grass scale not applied when min and max are same value

If min and max scale are the same in a LandscapeGrassType asset, scale will not be applied. Confirmed in 4.25 MAIN @ CL 11318998 ...

SampleCurve And SampleColorCurve Nodes Missing In Niagara Module Scripts

In a Niagara Module Script the "Sample Curve" and "Sample Color Curve" nodes cannot be found. They were findable in 4.24 prior to 4.24.3. This seems related to this ticket. Found in 4.24.3 CL#11590 ...

Rendering a custom render pass will render the viewport.

If close the "Sequencer" window while leaving the "Render Movie Settings" window open, and then click the "Capture Movie" button, you will capture the movie from the perspective of the CameraCuts tr ...