During February 2026, Michael Daly enhanced OAuth 2.0 compliance in the keycloak/keycloak repository by implementing security-focused features for enterprise readiness. He enforced HTTPS and introduced wildcard redirect URI handling to prepare the codebase for FAPI 2.0 adoption, addressing evolving security standards. Using Java and JavaScript, Michael corrected invalid_grant error responses to return HTTP 400, aligning error handling with OAuth 2.0 specifications. His work strengthened security checks within the secure-client-executor, reducing misconfigurations and hardening OAuth flows. These targeted backend improvements resolved key issues, improved interoperability with compliant clients, and demonstrated a focused approach to security compliance and API development.