Google calendar has stop working for invoicing, is this problem being rectified?

Welcome to the QuickBooks Community, @offgridsolarande.

May I know if you've encountered any error messages when using Goggle calendar in QBO? Or any details about the issue you're in right now. Any additional information will be helpful to me so I can find a timely solution. Then, for more info on how Google calendar works with QBO, see this article: How to set up and use Invoice with Google calendar.
 

Also, I encourage you to visit our QuickBooks Help page, so you can browse articles or even questions of other QuickBooks users that were answered by QuickBooks experts. This will help you earn more QuickBooks knowledge that can help you with your accounting tasks. 

Feel free to get back here in the Community, I'll be waiting for your response. Have a great day ahead.