Lenders are also taking extra steps that had gone by the wayside in past years such as last-minute verification of employment, bank accounts, funds to close, etc. It is frustrating for all involved but there is little to be done. The lender will release docs and send funds when they are good and ready.
In the meantime, avoid spending money for anything other than bills, food and gas until your loan is closed. It goes without saying--now is no time to buy a new car, RV or quit your job. If you need new appliances for your new home, don't buy them until AFTER you've been given your keys.
There is often a turn around time from when the local mortgage banker submits all the required documents and when the closing docs are sent...usually a week. It could very well be that your mortgage person has submitted the final pieces within the last week and may have a verbal green light while the final steps are still being completed. The folks at the headquarters can be rather unsympathetic to the urgency with which you need/want the docs and lighting a fire under them to expedite the process can be difficult if not impossible.
Until the docs are sent...there is always a chance that something could go south. But if you are being told that nothing further is needed from you and all looks good...it probably is, so I would not panic.