No, the specification explicitly states that: "The system should assume summary to be raw plain text, and use it as the title text of the bubble." (https://wiki.ubuntu.com/NotifyOSD#org.freedesktop.Notifications.Notify) So filtering should not be happening.
No, the specification explicitly states that: "The system should assume summary to be raw plain text, and use it as the title text of the bubble." (https:/ /wiki.ubuntu. com/NotifyOSD# org.freedesktop .Notifications. Notify) So filtering should not be happening.