In reply to Jeff Chandler.

No one has to opt-in for admin panel notices for local Meetups and WordCamps (although that should be configurable also) based on your location, it would make perfect sense to me to allow admins to receive notices on either installed or activated plugins & themes.

Also, I didn't realize it until looking into this story a bit, WordFence has options to alert for abandoned (not updated in more than 2 years) and removed plugins from the repository: