You can follow some troubleshooting steps to resolve the banking updates in QuickBooks Online, baxtersdoggyboarding.
Browser-related issues, such as data overload, can prevent the system from refreshing the Online Banking section or downloading new data from your bank.
To help you successfully update your bank, let's add Intuit as a trusted site.
Then, remove your browser's cached data and any cookies related to Intuit. For detailed instructions specific to the browser you're using, check out this guide: Clear cache and cookies to fix issues when using QuickBooks.
Then, restart your browser and log back in. After that, refresh the banking connection to check if new transactions are now showing up.
Aside from that, you can also check out this article for additional steps in case you're getting specific error codes: Fix bank connection errors in QuickBooks.
Please know that you can always tap on us if you need anything else.