Hi there, @stephengblack.
I'd like to ensure that you'll be to update your credit card will be updated successfully so you can have the latest transactions.
To get this issue sorted out, we can update your bank account manually. It refreshes the connections between the bank's website and QuickBooks, which can help download the recent entries.
If you get the same result, I recommend contacting your financial institution. This way, you can verify if they don't have any ongoing system maintenance, which can be the reason your credit card is not updating.
For now, to get your work done, I suggest uploading your transactions manually in the system. Here's a link that you can check out for complete details about this process: Import bank transactions using Excel CSV files.
I'm also adding these help articles below to give you some insights on what are the actions that needs to be taken if transactions are not downloading and on how to fix banking errors in QuickBooks Online:
I got your back if you have any other questions, just let me know by leaving a reply below. Have a lovely day, @stephengblack.
Let's get this escalated and resolve for you. I kindly ask you reach out our friendly support staff who can raise a ticket with the banking team to get the bank feed running again. Please click here to reach out.