Their December 3rd blog about React states: "These new protections are included in both the Cloudflare Free Managed Ruleset (available to all Free customers) .

Their December 3rd blog about React states: "These new protections are included in both the Cloudflare Free Managed Ruleset (available to all Free customers) ..... " having some burn in time in free tier before it hits the whole network would have been good?!