Scene view notification
March 6, 2020 ยท View on GitHub
Notification log for Unity's scene view.
Instructions
Call the static function SceneViewNotification.Add(string text, NotificationType type) from an editor script to display a message. NotificationType can be Info, Warning, Error.

Under Edit->Preferences you can configure the maximum lifetime of a message, and the time it takes to fade one out.

License
MIT License (see LICENSE)