Month: April 2026 (2026-04). This month focused on strengthening the security of dynamic client registration in Spring Security and delivering a validator to ensure only properly configured clients are onboarded. Key outcomes: - Key feature delivered: Dynamic Client Registration Validation. Implemented an authentication validator that validates redirect URIs, JWK Set URIs, and scopes during dynamic client registration to enhance security and policy compliance. - Commit reference: 19b3cae62e2f09151f70a79c7aa8efee3c5b5f94 (Add authentication validator for dynamic client registration). Signed-off-by: Kelvin Mbogo <addcontent08@gmail.com>. Major bugs fixed: None reported this month. Overall impact and accomplishments: - Strengthened the security posture of the OAuth2 dynamic client registration flow in a core security module, reducing risk of misconfigurations and insecure client onboarding. - Demonstrated end-to-end feature delivery with adherence to Git commit hygiene and contribution guidelines. Technologies/skills demonstrated: - Java, Spring Security framework, OAuth2 concepts (dynamic client registration, redirect URIs, JWK Set URIs, scopes) - Validator pattern and secure-by-default design - Git practices (clear messages, signed-off-by)