Welcome to the Community, @dwij.
I want to ensure you'll get an update about the Custom template is not being applied when printing and preview and sending to customers
If you're referring to the issue stated above, then as mentioned by my colleagues, our engineers are currently working to fix the issue. If you're not added to the list of affected users, I recommend getting in touch with our Support Team. Once added, you'll automatically receive an email notification with the updates.
Also, I'm attaching these great resources that can help guide you in your future task:
If you have additional questions about Custom Invoice template, I'm always here to help. You can click on the Reply button below.
