Epic hasn't gone out of their way to make life hard for Legendary/Heroic, yet. I guess that is a kind of support.
My biggest regret with Epic is buying Eastward there, and then whoops the DLC sidestory is available on every store but there. I can only read that as meaning "nobody makes money selling games, to the end user, on EGS. The only money you'll make is from selling directly to Tim Epic for a giveaway or an exclusive."
Am I going to put any more money in Epic? No. Am I going to take the freebies? Sure.
It sounds like they have to wait for support to move from the Steam Client Beta to mainline. That happens on Valve Time, so they genuinely do not know.