Was going to quote this exact line. Yes, what was open stays open, but unmaintained, then development/updates/patches are moved to the close(r) alternative until the hassle of running the open old one isn't worth the effort anymore and the need of updated/debugged libraries or board definitions forces the users to migrate. I wonder how doable would be a fork of the whole shebang with the online downloadable content hosted somewhere.

They did a great job. We must recognise experts in this matter. They had help of other companies and hardware producers of course, but still...

Or even that they forbid to use different clients for YouTube