Nouveau is still needed because Nvidia's drivers do not conform to Linux kernel standards, so they can't be upstreamed. Nouveau is conforming, so it still has a

Nouveau is still needed because Nvidia's drivers do not conform to Linux kernel standards, so they can't be upstreamed. Nouveau is conforming, so it still has a reason to exist. Fortunately Nouveau can more easily improve by using Nvidia's now-open source as a reference.