Hi everyone, 

Allow me to step in and provide some update about the custom invoice template issue in QuickBooks Online. 

I've checked the investigation status about this issue, and it still in progress but rest assured that our engineers are currently investigating and working on an immediate fix. 

While we're continuing to work on resolving this issue, for the meantime you may want to consider the workarounds provided by my colleagues on their posts. I'll take note of your feedback about this investigation. I also encourage you contacting your QuickBooks Online Support Team to add your account to the list of affected users. This way, you'll be notified of any updates on the progress on the investigation via email. 

Here's how to contact our customer support:

1. Sign in to your QuickBooks Online company.
2. Select Help (question mark icon) at the top right.
3. Select Contact us to connect with a live support agent.

I also appreciate you posting your experience here in the Community @zoeyjohnson13. This way, other users will be able to use this as an additional workaround.

I truly appreciate your patience and understanding as we work through this. Please know that you're always welcome to post if you have any other questions. Have a good day ahead.