What muf said is pretty much what's going on, I can't really work on what will eventually be deprecated code right now.
Also, I should probably try to be more specific, it's technically not too big of a deal because it basically just requires converting the video data before sending it in to x264, but it's a big enough deal to where I just can't really dedicate time to doing it. I do want it, and I will probably get it in at some point for sure (especially in OBS2 where I can just defer that video conversion to ffmpeg)
Alpha might be about a month, but honestly I can't really give out solid dates/times on it yet, time is still just a bit too fuzzy.