Built-in Chrome Browser

That version is almost two and a half years old! It probably isn't very secure by current standards. See https://en.wikipedia.org/wiki/Google_Chrome_version_history

I wonder why Intuit is using such an old version and hasn't updated it?

What version and release of QuickBooks are you using? View these values at the top of the F2 dialog window within QuickBooks.

does anyone know if Chrome 84 has been resolved?

I can't perform many banking feed operations from QBDT 2021 Premier with CHASE. even though I have Chrome 116 installed on my PC

We appreciate you chiming in on this thread, ivmost. 

I've seen here that you've posted twice in this forum with the same issue. Don't worry, my colleague AbegailS_ has already provided a solution for you to ensure you'll able to sync your files efficiently and keep you going with banking feed operations. If you haven't yet, you may refer to this link: https://quickbooks.intuit.com/learn-support/en-us/banking/chrome-84/01/1309338#M102119.

We'll keep this thread open for any added queries you may have when managing bank and data syncing tasks. Please let us know in the comments below, and we'll be sure to get you covered. Keep safe!