Most likely not a linux-specific issue.
Hello @h1ght, per "Fixed bugs preventing workshop items or newly installed DLC from showing up on the downloads page" in the 2018-04-02 Steam beta client update, please opt into steam's beta and retest this issue.
Closing as fixed.
Nothing extracted yet.
Your system information
Please describe your issue in as much detail as possible:
Describe what you expected should happen and what did happen. Please link any large code pastes as a Github Gist
Steam is downloading Workshopcontent without any notification within the steamclient.
fix it pls.
Steps for reproducing this issue: