Monthly summary for 2025-10 (repo: clerk/clerk-sdk-go). Focused on delivering secure, enterprise-ready authentication capabilities and strengthening user data governance. Key feature delivered: User Identity and Passkey/Enterprise SSO Enhancements, enabling phishing-resistant authentication, enterprise onboarding, and improved user model auditability. This work includes integration of Passkey-based authentication into the User model, expansion of the user data model with creation/update timestamps, MFA status, and legal acceptance, and enterprise SSO support via EnterpriseAccounts and related connections. Email verification structures were updated to support SSO and messaging flows. No separate major bug fixes were recorded for this month in the provided data. Impact: enhances security posture, improves scalability for enterprise customers, and provides a foundation for compliant, auditable authentication and user management. Technologies/skills demonstrated: Go, Passkeys, authentication design, User model evolution, Enterprise Accounts/SSO integrations, MFA, and email verification workflows.