Sorry, looks like the factory forgot to put them on. I looked at some more pics of the 2019 and sure enough, they were installed right next to the roof latches.
2019 Ford F150
Race Red XLT Sport, CC, 4WD, 145" WB, 3.5L Ecoboost, 10 speed, 3.55 Locking Axle, 1830# Payload, 12,700# Tow Rating, pulling a 2020 Rockwood Premier 2716G Pop Up
, with a 14' box. Previously had 2012 Jayco Jay Flight 26BH
and 2008 Jayco Jay Flight 19BH
Travel Trailers. Also previously had 2007 Starcraft 2406 Pop Up with 12' box
and bathroom, Previously had 2005 Rockwood 2290 Pop Up with 12' box
and porta potty cabinet. Trucks and Trailers.