Unreal Engine Issues

SteamVR - WidgetComponent DrawAtDesiredSize lag spike

Having an actor with a WidgetComponent + DrawAtDesiredSize will cause a lag spike when size changes in VR. Additionally, If you enter a value other than 100 in SetWorldToMetersScale the 'draw at ...

Actor Component's Transform Gizmos Follow The Actor Root

When an actor component is selected and is moving independent of it's root the transform gizmo doesn't follow the actor component. If you select the actor component and translate it the transform g ...

Material Instance Parameters Undo Doesn't Update Values

Material Instance parameters do not update values when the user does an Undo (Ctrl+Z). An example project is attached. This seem related to [Link Removed]. Found in 4.24 CL#10570792 Reproduced in ...

Niagara ribbons flicker when receiving location events and not inheriting parent's normalized age

Ribbons that disable Inherit Parent Normalized Age flicker off when one ribbon reaches the end of its lifetime. This seems to be tied to the texture coordinates used in the default material, and off ...

4.25 ECC_GameTraceChannels default parameter value results in compile error

Hidden enum entries cannot be used as default values for UFUNCTION parameters. When using any collisionchannel, the error "Hidden enum entries cannot be used as default values" is received. ...

Switching AnimLayer to child AnimBP doesn't trigger inertial blending

At compile time, BlendOptions array which contains BlendTime setting are created. These are copied from its own interfaces, not the parent's. The blending works fine if the parent's interface is als ...

Allow the choice to implement a BP Interface function as an event OR a function

[Image Removed] This messaging is confusing because it says "Implement Function" when really it creates an event. We need to clear up the messaging here, or provide an option to create it as a fu ...

Crash with geometry collection in es3.1 preview

Material does not render correctly when launched with Cook on the fly

This issue seems to occur when using Cook on the fly on a Material that is branched on the Static switch. This issue also seems to occur on the console. Regression = Yes, issue is not reproduced // ...

Distance Cull Fade Node on Material does not work with Skeletal Mesh

The licensee reports that this issue is caused by the following code not performing a Buffer update. .\Engine\Source\Runtime\Renderer\Private\ShaderBaseClasses.cpp void FMeshMaterialShaderElementD ...