Group tokens does not set url:path url:relative etc.

I added the related issue, because there are also changes in group.tokens.inc which adding the same replacements for group tokens, but not include replacements for group_relationship tokens.

I want to point out, that the token media:group:url:path was listed in available tokens, but was not working!

This needed a slight change. The token definitions were missing the URL type that helps enable the chaining. I updated the merge request.

It works for me otherwise. I'm setting it to Needs Review, but feel free to change to RTBC.