Well... Angular Material is a multi-person project that is (seemingly) backed by Google, but they are abandoning 1.x release (1.0 was just released last October

Well... Angular Material is a multi-person project that is (seemingly) backed by Google, but they are abandoning 1.x release (1.0 was just released last October) to make the 2.x release Angular 2.x-only even though Angular 2.x isn't really ready for prime time (at least in my opinion). They also made promises last fall about how it would be "supported for a long time to come." So, let's say that more people and a company don't necessarily equate to better, longer-lasting support.