The long kiss goodnight
Personally, I quit BYOND for the most part except to check back every now and then to see if this had been released yet. I have a feeling that a lot of people have given up hope. Once I find a suitable hoster (because Comcast won't let you port forward without a business-class account now :/) I'm going to be stress testing the absolute heck out of the web client. I have a feeling that once we're past beta and into a stable release and the games released with it start gaining traction, BYOND will gain a lot of momentum as a viable platform for developers.
We eventually plan on open-sourcing the webclient and documenting the protocol, which will allow creation of third-party ports such as iOS. The only issue is that we'd like to be a part of the potential profits (which currently come from the ad) so we'd want to work something out there. But this is all contingent on this being stable, so we really need more testing. While I appreciate the great feedback from those who are testing, the actual usage so far is really underwhelming. I don't know if people have just moved on (this was a huge request at one point), or if they are wary of trying new things or what, but we put a hell of a lot of work into this and barely anyone is using it.