343
Unity has changed its pricing model, and game developers are pissed off
(www.theverge.com)
This is a most excellent place for technology news and articles.
https://www.eurogamer.net/unity-reveals-plans-to-charge-per-game-install-drawing-criticism-from-development-community
Other articles I have been reading on the topic do mention it:
When I say that it applies retroactively, I mean that it applies to games released in the past.
It's true that they are not retroactively charging devs for past downloads. That would have been even worse.