| ⇢ | A | StrictCookieMissingException added |
| ⇢ | C | OC::performSameSiteCookieProtection() added | |
| ⇢ | A | OC::sendSameSiteCookies() added | |
| ⇢ | A | Request::passesStrictCookieCheck() added | |
| ⇢ | A | Request::passesLaxCookieCheck() added | |
| ⇢ | A | StrictCookieMissingException::__construct() added | |
| D | ↗ | C | SecurityMiddleware::beforeController() improved |