A client of ours has recently installed Shibboleth SSO into their staff client. They have asked us to help honour the branch selector on the staff login screen but Shibboleth is ignoring this from what we can see and is only logging staff into their default branches. We think this would be a nice enhancement to the authentication module, to help people login to their requested branches.
+1. We are seeing this also as we migrate into 24.05. Using SSO to log into the staff interface overrides any library selection on the login screen (it automatically uses the user's default branch). Similarly, if you attempt to use the "Set library and cash register" option after logging in to change the library, the system logs you out. The workaround is to log in manually with username and password rather than SSO, and selection of library is permitted in that case.