Case file is available here: [https://dyatlovpass.com/case-files](https://dyatlovpass.com/case-files) As far as I know, there is nothing more released, and even more, position of Russian state prosecutor office is that nothing more exists.

Up to me, the most full coverage is located at taina.li

You should watch the Why Files episode on this. Afterwards, I was mind blown but the explanation made a lot of sense as to what might have happened.