I didn't get the update i ended up reflashing via the recovery software and offered to install new firmware.
Just out of interest what hardware version do people have my Microsoft store unlocked UK 950 is 184.108.40.206
The FM update should now be available to Insiders by updating the Insider app and leaving the program. The FM update should then appear! You can then rejoin as an Insider.
UK unlocked L950 with .63