That's just the disaster. And the end of W3C standard development process. AFAIR it should be 3 independent implementations of the feature in order for Draft to reach Recommendation status. So technically all that means that web standards will be written by WebKit team alone. Sic transit Gloria mundi, sigh.
These are still three strong and independent voices; Chrome has substantial control on desktops, Apple has a stranglehold on their highly popular platforms, and Mozilla has both the hearts of the tech community as well as wide regard in bleeding edge technology with Rust, Quantum/Stylo, and Servo.