The 2018 models will follow at a later time, as announced by Philips earlier this year.
You should check for an OTA Update.
Source (in german) with complete list of TVs:
Remember that the 2014 and 2015 models must have been upgraded with an upgrade kit. Otherwise you won't get oreo on this devices.
Wow even 2014 devices, way to go Philips, how is the overall performance? I'll dump LG for the next TV option