6.3.3
Stable -- only crashes every couple of weeks. Reboot server every Monday morning and most problems are avoided.
We gave up on MU in our office. I am sure we could demonstrate that it is possible -- but as a practical matter I would never leave the office before the next day's documentation and meaninful use began.
It won't work for ICD-10, so if that really happens, there is going to have to be some kind of upgrade.
