This has frequently happened with me for long-term goals. You can’t see the collaborators of goals when you post updates, and people tend to forget who the goal was initially shared with.
It would be great to see the goal collaborators similar to task at the bottom so we know who got the notification.
Once the owner posts an update - people getting notified can’t quickly tell who all received this update. It would be great for them to quickly see this info and identify which core people didn’t respond/react etc
The same thing is true for project messages and team messages. And even on tasks, you can’t know for sure because the list of collaborators keeps on involving. I believe this is a hard to solve problem, which isn’t that common. (but I’ll let people upvote!)