New commit detected on ManageIQ/manageiq/fine:
https://github.com/ManageIQ/manageiq/commit/8460d9b01422a1cbed0b933a1f1da76fbfb9731c

commit 8460d9b01422a1cbed0b933a1f1da76fbfb9731c
Author:     Alberto Bellotti <abellotti.github.com>
AuthorDate: Tue Feb 27 09:29:01 2018 -0500
Commit:     Satoe Imaishi <simaishi>
CommitDate: Mon Mar 5 13:19:45 2018 -0500

    Merge pull request #329 from jntullo/bz_1549086
    
    Raise bad request when current_group is specified on edit
    (cherry picked from commit 40cf625ebcbf56b9df316196463bbc6c011aaf92)
    
    Fixes https://bugzilla.redhat.com/show_bug.cgi?id=1551693

 app/controllers/api/users_controller.rb |  4 ++--
 spec/requests/api/users_spec.rb         | 21 +++++++++++++++++++++
 2 files changed, 23 insertions(+), 2 deletions(-)

Verified that bad request is raised on 5.8.4.1 when current_group is specified on edit:
{
    "error": {
        "kind": "bad_request",
        "message": "Invalid attribute(s) current_group specified for a user",
        "klass": "Api::BadRequestError"
    }
}

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHSA-2018:1972