Mesa 21.0-rc1 Released To Get The Quarterly Release Process Underway

While normally the feature branching and first release candidate for new Mesa3D quarterly releases doesn't begin until around the end of the first month of a new quarter, this time around with Mesa 21.0 it has begun today -- half-way through the month of January. This should at least ensure Mesa 21.0 stable ships in February rather than March. Mesa 20.3.3 was also released today as the newest stable version for the time being...