Update 10/29/19 6:30 PM PT - It looks as if the iOS notification issue from today is now fully resolved. If you are still having difficulty with your notifications, please contact our customer support team through this link:
Thank you to everyone who helped us diagnose and resolve this issue. We apologize for the trouble.
10/29/19 3:01 PM PT - Some people’s notifications are returning but we are not fully through the process yet. We will work through everything as quickly as we can to restore the service to everyone.
10/29/19 12:06 PM PT - We believe that we have identified the root cause and are working on a solution for missing iOS notifications now. Thank you for your patience.
10/29/19 10:40 AM PT - We have seen reports of push notifications failing to appear for people using iOS devices. We are looking into this and will update when we have further information. We apologize for the inconvenience.