I know Milan Petrovic of Dev4Press - a plugin developer from Serbia, on the scene since 2009, doing mostly Premium Plugins, for example GD bbPress Tools Pro. He is an awesome dev, I had the privilege to collaborate with him on a project in the past.
Yesterday he anounced full support for ClassicPress for all of his plugins and further maintainance if needed:
This is awesome in my opinion and shows that he really cares!
I will do similar with my own plugins going forward.
My hope is this would be a role model amongst other developers, companies.
Have a great time all (and a very happy 2019!)