Essential for signing in, keeping your session secure, and remembering choices like this one — includes the session cookie, remember_user_token (with "Remember me"), omniauth_apple_store (Sign in with Apple), and octa_r2 (secure render previews). Also covers local interface state such as your theme, sidebar layout and dismissed notices, which stays in your browser and identifies no one. The app can't work safely without them.

Remembers your language, time zone, and marketplace filters/sorting so you don't have to reset them every visit — covers the locale and browser_time_zone cookies plus filters saved in your browser.