I'd like to see Fastmail calendar support for appointment schedules. They have "calendar partners"[^1] that support this feature but I not keen on using a third

I'd like to see Fastmail calendar support for appointment schedules. They have "calendar partners"[^1] that support this feature but I not keen on using a third party service just yet... [^1]: https://www.fastmail.com/blog/fastmail-calendar-updates/ https://www.fastmail.com/blog/fastmail-calendar-updates/