Ranjan Khanal focused on backend development for the wpeverest/user-registration repository, addressing a persistent issue with CAPTCHA settings in the user registration flow. Using PHP and WordPress plugin development skills, he resolved a warning related to CAPTCHA form settings by introducing a helper function that excludes specific text formatting from certain settings. This approach ensured that CAPTCHA options are correctly parsed, configured, and displayed, improving both admin configuration reliability and the end-user registration experience. Although the work was limited to a single bug fix over one month, it demonstrated careful attention to detail and contributed to reducing support requests and user friction.