Unreal Engine Issues

HiddenInGame issues with Nanite enabled meshes

Nanite meshes marked Hidden in Game do not have selection outlines in the editor. ...

Reimport with new file does not work for Datasmith files if the Interchange flag is enabled.

Editor/Game Ensure hit with RayTracing enabled on AMD GPU

A Static Mesh asset will trigger an ensure when generating building the ray tracing acceleration structure on AMD GPUs. ...

Certain components created at Runtime appear to have unnecessary scene components

When PIE is selected certain objects that are created at runtime have scene components that give log warnings in the Output Log. Effected objects include GameSession and GameNetworkManager ...

PBO Disable option does not work in Hide Bone By Name node

PBO Disable option does not work in Hide Bone By Name node See repro and images[Image Removed][Image Removed] ...

Import options broken when importing bones-only fbx animation

This bug is being entered for integration purposes. This is already fixed in 4.9 Main with one of Lina's changes (CL:2584657). Wanted to try and get this into a 4.8 hotfix ...

Merge tool icons broken in user's project

User did convert the project to 4.7.2, but they don't know which project it was made with originally (all he gave me was that it was a long time ago) Unable to repro by converting projects (code an ...

Set visibility in world outliner reset when project is reopened

If visibility is altered in world outliner, the visibility will be reset upon closing and re-opening the project. ...

Rotating terrain with heightmap causes black splotches on terrain

Rotating a landscape with a heightmap causes lightmass to break, rendering black splotches across terrain after building lighting. ...

Behavior tree subtree switch reported as hitching

Setup described in UDN post: parent tree: root - selector - run behavior task subtree: root - sequence - custom BP task with just print string repro: print string message (engine tick) is showing u ...