How to reproduce:
1. Open the attached project "fontBug"
2. Open the UI Document "MainMenu" (Assets/UI/MainMenu.uxml)
3. Inspect the Console window (Window > General > Console)
Expected result: No warnings are seen in the Console
Actual result: 3 warnings are seen in the Console
Reproducible with: 1.0.0-preview.15, 1.0.0-preview.18 (2020.3.23f1), built-in (2021.2.4f1, 2022.1.0a16)
Could not test with: 1.0.0-preview.14 (2020.3.23f1) (Console error: 'DefaultEditorWindowBackend' does not implement interface member 'IEditorWindowBackend.overlayGUIHandler'), 2019.4.33f1 (Package unavailable)
Console warnings:
Font not found for path: Fonts/Inter/Inter-Regular SDF
UnityEditor.EditorApplication:Internal_CallUpdateFunctions () (at /Users/bokken/buildslave/unity/build/Editor/Mono/EditorApplication.cs:359)
Font not found for path: Fonts/Inter/Inter-Regular SDF
UnityEngine.UIElements.VisualElement:UpdateInlineRule (UnityEngine.UIElements.StyleSheet,UnityEngine.UIElements.StyleRule)
Font not found for path: Fonts/Inter/Inter-Regular SDF
UnityEngine.UIElements.VisualTreeStyleUpdaterTraversal:TraverseRecursive (UnityEngine.UIElements.VisualElement,int)