Valve may be putting the finishing touches to the Steam Frame software stack, because Lepton and FEX are now on Steam

Valve’s wireless VR headset, the Steam Frame, doesn’t yet have a nailed down release date beyond the vague window of ‘later this year’. I’ve got a hunch it’ll drop soon though—and not because I put any stock in the Steam Frame subreddit’s wild release date rituals. No, I’m instead feeling optimistic because both Lepton and…