Force Unity Editor to update its window title. This function is automatically called when a new scene is loaded or when the editor starts. A user having register a callback on EditorApplication.updateMainWindowTitle can call this function to force an update of the title.
using UnityEditor; using UnityEngine; public class WindowTitleExample { private static void CustomTitleBar(ApplicationTitleDescriptor desc) { desc.title = $"My Editor Custom Title version: {Random.value}"; } [MenuItem("Test/Setup custom title bar")] static void Setup() { EditorApplication.updateMainWindowTitle -= CustomTitleBar; // This callback will be triggered when a new scene is loaded or when Unity starts. EditorApplication.updateMainWindowTitle += CustomTitleBar; EditorApplication.UpdateMainWindowTitle(); } }