Share by Library

I have a number of users which I already share various libraries. Users with ‘All Libraries’ isnt a problem as a new libraries are automatically shared. Issue is when I want to share new libraries. Is there an easier way to do this without having to go into each user to tick the new library?
(Be easier if you could share a new library to all users)

There’s no way to do this currently. I wrote a feature request some time back for an alternative way to share libraries that would serve your purpose. Please add your vote if you agree.