I didn't have to do anything special to the router's config. I logged into the web interface, clicked on the firmware version at the top of the page and told it to check for an update as I have manual updates disabled. The update was downloaded and applied to the router and satellites. They all came back up fine after the reboot.
As for static DHCP assignments I do have four devices on my network with static addresses. It was easy to add them. Once added just hit apply at the bottom of the page and they will stick. At least mine did.