Could be similar to cloud (the third icon):
when clicking on it
Ideally plugins can contribute such notifications as well.
We wouldn't mention every feature here but the most important ones. We could also regularly mention new FAQ's, new Guides etc.
To reuse existing code see
Cloud/templates/whatsnew.twig and the
Should we also show this to anonymous when view access? I'd say lets have it disabled for now.
I had added this to the milestone a while back. As it’s important to let people know what’s new so they discover new features and improvements that they otherwise wouldn’t know about and help them utilise the tool better and users stay with us for longer.
Structure for such content could be like