During December 2024, Ryan Crisanti developed LDAP TLS CA File support for LDAP authentication in the laurent22/joplin repository. He introduced a new configuration option, LDAP_TLS_CA_FILE, enabling the use of self-signed or custom TLS certificates for enterprise deployments. This work involved updating environment variable definitions, enhancing configuration parsing, and modifying the LDAP login utility to accept a CA file path. Using Node.js, JavaScript, and TypeScript, Ryan focused on backend development and security configuration. His contribution improved deployment flexibility and strengthened the security posture for LDAP-backed authentication, addressing integration friction for organizations with custom certificate requirements. The work was focused and well-scoped.