Unreal Engine Issues

WorldGridMaterial gets added as Element 0 when importing LOD model

When importing a LOD model, LOD material can get added as element 0, not preserving previous material assignment. It's not possible to re-order/delete the automatically added Element 0 WorldGridMat ...

Paint Mode button options disappear when toggling on "Use Small Tool Bar Icons" in the User Interface

When toggling on the "Use Small Tool Bar Icons" under the User Interface settings, the button options that sit directly under the Colors, Weights, and Textures options in Paint mode disappear. Thi ...

TimeSpan Variable to does not replicate

The Timespan variable does not appear to replicate the changes to the variable to the client from the server (event with the Replication setting set to "Replicated"). In the example a float value ha ...

TextScale parameter doesn't change size of text in AddOnScreenDebugMessage()

The textScale parameter in AddOnScreenDebugMessage does not change the scale of the debug message. ...

The packaged build of a project that has a strong pointer initialized to nullptr immediately closes on launch

When a strong pointer is set to null the packaged build of the game will immediately close. No crash logs were were made and no Saved folder was made (<Project Name>/Saved/Logs). An example project ...

'Particle Position', 'Particle Time' and 'Particle Random' material nodes not supported on mobile

ExtendDefaultLuminanceRange causes black rendering on Mobile renderer

Staticmesh "Reimport+LODs" do not recover the material ID for custom LOD

Loading instanced static mesh causes memory leak in packaged game

The leaking variable is UInstancedStaticMeshComponent::InstanceDataBuffers. The memory block is passed to InitPerInstanceRenderData() via InstanceDataBuffers.Release(). But the function doesn't mana ...

REINST classes are available in the class reference drop down

This doesn't seem to occur every time I run the editor, I can't get it to repro consistently Note: It is possible that this is happening in blueprints based off of a native c++ class has been rel ...