I haven't played 40k in a while. I noticed that some armies have new codexs, with eventually all armies getting new codexs.

From what I read the armies with a new codex have a distinct advantage over armies with the old codexs.

Some armies are in dire needs of a new codexs(god help my necrons), but the release dates seem so long away.

Anyone know why the descion to release the codexs like this. It seems unfair to armies without the new codex. The players have no news on when there codex will come out.