They delayed the rollout after people spoke out against it: "In Chrome M69, we rolled out a change to hide special-case subdomains “www” and “m” in the Chrome

They delayed the rollout after people spoke out against it: "In Chrome M69, we rolled out a change to hide special-case subdomains “www” and “m” in the Chrome omnibox. After receiving community feedback about these changes, we have decided to roll back these changes in M69 on Chrome for Desktop and Android." I don't think there's any going back this time around...