Not that another frustrated customer complaint will help fix the issue...but I have what I think is the same issue but showing up slightly different.  I use progress invoicing and somehow when I send multiple invoices  created from the original approved estimate (anything more than a deposit then final), the totals start not adding up to what they should be.  I create an invoice from the estimate as work is completed, which seems to work fine. The issue is the "final" invoice when I select to invoice "remaining total of all lines" the amount is short by exactly 1% with no way to bill this last 1% without creating a totally unrelated invoice.  This was first discovered on a larger invoice ($113k) so it is no small amount.  I am now trying to send additional invoices to people who thought they paid the full amount already. Cumbersome and embarrassing.

Is this really just a bug? I too have tried different browsers and updates and have a brand new high end Lenovo computer.