Hi Guys,
If you have an Anniversary system you will have to contact your dealer (or they will contact you) and they will send the appropriate firmware for your system. The dealer will be sent this in the first instance from Meridian HQ.
We have just done this ourselves today to one of our Anniversary customers, the other has friends in high places and wasn't available to comment or receive

As discussed if you have non-Anniversary 8k's please do not install the Anniversary firmware if you get hold of it, it will not sound good

Hope this helps and happy firmware upgrading.
PS. EBA Firmware for 861v8 etc. will be hopefully available in 3/4 weeks.