CalDAVAccountRefreshQueueableOperation

For the past 7-10 days the iCloud site hasn't been able load my calendars, and this (title) is the message I get when I open iCal on my MacBook Pro. iCal on my iPhone and iPad seem to be working normally. The same is true for my wife's separate iCloud account. I've read that this indicates a problem on Apple's iCloud servers, but none of the usual sites (AppleInsider, MacRumors, etc.) have mentioned anything about it.

I've signed out of, and back into, my iCloud account several times - no change.

I've deleted and re-added my iCloud account in the iCal prefs - no change.

All other iCloud services continue to work as expected.

Is there a fix on my end? Or do I just wait for Apple to quietly fix it?