This ticket was split off of T112251: API problem in Echo may be showing empty notifications panel which solved an API bug.
Quoting @Pginer-WMF's relevant post, we should decide which of these to use and implement them into Echo:
A placeholder message encouraging participation would be a good option:
Ideally, the "start contributing" should link to a place where the user is presented ways to contribute. It could work just as a plain text encouragement (although actionable items are always more effective).Alternatively, we can use the opportunity to describe the purpose of the panel:
If we need an empty state for messages we can make something along the same lines:
