In reply to Miroslav Glavić.

As far as I can tell, there are no new guidelines in the current proposal. It's a rewording and reorganization of existing guidelines minus a lot of old ones.

As for plugins, I have some that have not needed an update in over six years. That's generally not the case for themes. I like the current system of not showing themes/plugins older than two years in search and also putting a notice on the page.