lol
Ok here is my "ideology" on making skins for beta software:
Why don't I make skins for WLM Beta?
Simple, ever tried to run an 8.5 skin on 9.0?
What happens? It doesn't work.
why?
Because in every new beta Microsoft changes a whole bunch of stuff in UIFiles and resources which render the skin useless. This includes the layout of definitions, string numbers, element ID's and resource numbers.
When messenger is in beta, these things have a habit of changing on every build. So imagine if you just finish an update to a beta build and MS releases another. Yes you have to start again to update the skin to keep a very small group happy.
Another reason why and OFFICIAL beta testers will know this:
When beta testing something Microsoft does not recommend using 3rd party applications because they want their bugs to be as isolated as possible and not send them down the wrong path when trying to fix something.
That's my ideology. Its worked for me all these years as a skinner and I ain't gonna change it for someone who doesn't know any better