Thanks for bringing this to our attention, MarkUK.
I'm here to address your concern about the issues you've encountered when trying to connect your Santander bank account.
This has been reported as an ongoing issue in QuickBooks Online. Our engineers are currently aware of this, and they're working to find a complete fix for this issue.
Since we're still working on this, please contact our QuickBooks Customer Care Team so they can include you to our notification list. This way, we can easily reach out and notify you once the issue is completely resolved.
You can contact them through this link: https://community.intuit.com/articles/1145770.
Feel free to reach out to me if you have any other concerns by leaving a comment below. I'm always here to help.
