Assuming that anyone who's cut off from the game at the moment will wait for the opportunity to collect it…
Unless they revert the „client”, Windows users that can't log in now will probably have to wait along with Mac users till next year for the new client,
as for the rest (my linux box included), they can dream of getting any compensation when Unity version goes live, assuming it actually exists, is going to go live, and work…
For everyone who played the Flash version…
So far there's only a bunch of standard „download the client”, „contact support” replies on FB :-/