I appreciate you taking the time to provide updates on how your concern is resolved, @Coldham. I'm here to share additional information about your query.

Browser does not alter your QuickBooks financial data or the information in the audit trail. The browser is an application to access your QuickBooks account online. Also, the program has security measures to ensure that not personal information or data will leak outside of the system. 

For reference on how you can manage your audit log, check out this article: How to view transaction changes in the audit history.

Additionally, to further investigate why the details in your audit log change, I suggest reaching out to our Phone support. 

Drop a reply here if you have other questions about accessing the Audit log. I'll be here ready to lend a hand to provide a prompt answer. Have a good one.