A Calendar application is a must have application for any operating system and is beneficial for end users as well as developers. Having a feature-rich Calendar might not sound like a big deal, but it can drastically impact your performance at work and personal life.
This is a companion discussion topic for the original entry at https://www.haiku-os.org/blog/harshitsharma/2022-09-12_gsoc_2022_final_report_improving_the_calendar_application/