"From launch, the DRM-free edition of No Man's Sky will include all single-player content introduced by NEXT: third-person mode, upgraded visuals, better base building, player customization, and more.However the multiplayer component will not be ready at launch; we expect it to be released later this year as full multiplayer parity remains in the pipeline.
https://www.gog.com/index.php/news/no_mans_sky_next_update_now_live
Not the end of the World. NMS is just a game after all. Still, having paid the same as owners on other platforms on release I feel bad about my decision to support GOG instead of Steam. The update will apparently arrive, at some point in the future. Could be one month, could be six. Who knows. GOG costumers are left behind and are second class atm, so if you want to hope in on PC: BUY THE GAME ON STEAM