This is still completely incorrect. It obviously shipped with BluRay from the beginning, as all PS4 games are distributed on BluRay disc. Further, launch reviews mention not only the slot-loading BluRay drive but the day one patch enabling movie playback:

https://www.engadget.com/2013/11/14/sony-playstation-4-revie...

There are also launch contemporary reviews of the movie playback experience on the PS4:

https://www.blu-ray.com/news/?id=12614

PS4 supported Blu-ray from day one. You just needed to get a free software update.

https://www.quora.com/Can-a-PS4-play-DVD-or-blu-ray-disc