What happened to the stealth tutorial page?

https://unity3d.com/learn/tutorials/projects/stealth-tutorial-4x-only/stealth-project-overview

I’m aware the project is outdated, but it still has great scripts and resources, like enemy vision and navigation. It seems the only way to obtain the scripts is through the asset store.
Does anyone know if unity will keep the project open or if they’re posting scripts some where else.

thanks.

Tutorial projects get replaced quite frequently - Unity changes fast, and I guess there’s not much point having a tutorial that no longer represents best practice (or, worse, doesn’t actually work in the latest version). The Stealth project was, I think released with Unity 4.2, so that’s pretty old now. Like you said, you can still get the scripts from the store (though, if I were you, I’d grab them quick, since they don’t last forever there either).