This RFE is to enable/implement the following
Not only does work need to be done in keystone, but also openstack client and horizon as well (for best user experience).
Support for application credentials within the python-keystoneclient landed towards the end of the Queens release.
The blueprint to add functionality in Horizon was approved for Rocky and is being worked in the following reviews[3,4] both of which have merged.
 - https://review.openstack.org/#/c/534965/
 - https://blueprints.launchpad.net/horizon/+spec/application-credentials
 - https://review.openstack.org/#/c/552145/
 - https://review.openstack.org/#/c/559429/
Required bits have landed downstream. Review session with QE complete. Noting FIV and moving bug to MODIFIED.
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.