I appreciate all the details you're sharing to let us know what's happening to one of the accounts, ejdupuis.

We will need to further check to determine why the account is not downloading new transactions even after reconnecting the account. Please give us a short call for us to get your account details and make sure we get this working.

Here's how to get their contact details: 

1. Open this link: https://help.quickbooks.intuit.com/en_US/contact.
2. Select QuickBooks Online.
3. Click Company setup and importing, then select Import data to QuickBooks Online.
4. Click Get Phone Number. 

Visit us again in the Community if you have other questions.