It turned out to be a clear Quickbooks error. The balance wasn't misconfigured due to transactions, etc. It didn't change for 8 months. It simply wasn't updatin...

Shortly after I posted this, someone at Quickbooks must have fixed the issue. The problem wasn't any differences relating to transactions. Quickbooks simply was...

The whole point of the problem is that hitting "update" doesn't update the correct balance. The actual bank balance is never properly loaded. No action or refre...