That feed makes it clear it if you already purchased it on steam that it will be supported there for forever. Not sure if that also applies to linux though.
What does "supported" usually mean in these cases? Will the Steam version receive the same features as the Epic version, or will the Steam version only receive bugfixes?
I'm not a fan of Epic's store feature and usability-wise already, and I don't feel good about Epic's decision to remove RL from the store on Steam.
They're already talking about using EGS specific features. With their user hostile approach to everything EGS, I doubt you'll keep the same experience on Steam.
Do you have any sources for EGS specific features? I really don't want to speculate because I really want to root for Psyonix here, but this is what I'm afraid of. New maps and queues only being available on the Epic version, being able to purchase/unlock DLC/items on the Epic version only etc.
