"Circular dependencies also affected our customer experience. For example, during the November 18 incident, Turnstile, our no CAPTCHA bot solution, became unavailable. As we use Turnstile on the login flow to the Cloudflare dashboard, customers who did not have active sessions, or API service tokens, were not able to log in to Cloudflare in the moment of most need to make critical changes."
Code Orange: Fail Small — our resilience plan following recent incidents
https://blog.cloudflare.com/fail-small-resilience-plan/