Monthly summary for 2026-04 focused on stabilizing the authentication workflow and reinforcing security. Key features delivered: - 2FA backup codes persistence fix in better-auth/better-auth: ensured the backup codes storage format is preserved after verification and re-saved according to user-defined storage strategies. Major bugs fixed: - Correct handling of backup codes in alignment with the storeBackupCodes option, addressing the edge cases surfaced by issue #7231. Overall impact and accomplishments: - Strengthened security and reliability of the authentication flow, reducing potential backup-code-related user issues and support load, while improving consistency across storage strategies. Technologies/skills demonstrated: - Backend authentication logic changes, storage-strategy-driven design, and adherence to configuration options; collaboration and code attribution (Co-authored-by: Gustavo Valverde).