It doesn’t sync the information every time but at least the ETag (hash) for every iCal.
Partial syncs will be a very challenging task, but I will have a look at it when other things are stable.
I’ve tested with curl and I got:
So, at least 30 seconds, I guess?
As said, rather make it configurable. This is a real-world system… 😄
@devvv4ever and @rfc2822 ^