Update 2019-04-05 12:15 UTC: It seems like the problem has been fixed by Booking.com and all ical files are now back to normal.  At 17:22 UTC of the 4th of April 2019, all hell broke loose. All Booking.com ical files suddenly stopped working. To be more precise, all B.com bookings disappeared from all their ical … Continue reading Booking.com ical problem of 4th April 2019 explained