Reminders from iOS 13 / macOS 10.15 Reminders aren't syncing
Upgrading Reminders to the storage format introduced in iOS 13 and macOS 10.15 Catalina moves its lists out of iCloud's CalDAV service. Those lists no longer sync through the iCloud CalDAV account in BusyCal. This does not mean BusyCal cannot access upgraded Reminders.
Connect BusyCal directly to Reminders
BusyCal supports direct Reminders access on both Mac and iOS:
- Mac: Choose BusyCal > Settings > Tasks and enable Enable Reminders. See Using BusyCal with Reminders for setup and limitations.
- iPhone and iPad: Open BusyCal > Settings > Accounts > Add Account and connect Reminders. This requires BusyCal iOS 3.5.2 or later. See Using BusyCal iOS with Reminders.
Upgraded Reminders require macOS 10.15 or later and iOS 13 or later on the devices sharing those lists. BusyCal can only access the Reminders data available on its device. First check that the lists and tasks appear and sync in Apple's Reminders app.
Lists under the old iCloud CalDAV account and the direct Reminders account are separate after the upgrade; changes do not sync between those copies. For the historical migration and warning list, see Where did my reminders go after upgrade?.