From reading some of the comments on this at HackerNews from others and from the CEO (username is Arathorn there), I think it is a change that needed to happen - though not an ideal one at first glance. I agree with twicetwice’s take most of all. For what it’s worth I 100% believe that they have everyone’s best interests at heart right now, and that they’re using the CLA to save themselves from getting buried by their proprietary opponents. I don’t make a habit of trusting anyone though, and I would really prefer to see this revisited in the future if at all possible. In the unlikely event that they flip the license to closed, I think the open-source side of Matrix should still live on through alternative implementations and nothing will be irreparably lost?