it may be true, but unknown to all is the fact matt ward has already written the next 15 codices for every TT army in circulation and they will be slowly drip fed to the 40K consumer over the next 40 years
You mean besides turning them into a caricature of their former selves, getting damn near everything wrong and insulting anyone who dared to play any chapter which was even remotely distant from Guilliman?
yes but is still possible that some already write codex is still not released. (for example a rumor tell that the new sororitas codex is ready since 2013)