but it’s closed. The documentation at https://docs.search-guard.com/latest/kibana-login-customizing#customizing-the-login-page still does not mention the message value for auth_domains. The documentation has an example image which labels some text as “Subtitle”, but no such value is described in the text. (searchguard.basicauth.login.subtitle exists in Classic, so seems like the example image has not been updated to for the FLX documentation.)
Is it also about 1.6. I realised that version is EOL, but there the documentation for FLX is not version specific (where as for Classic there are version specific versions of the documentation), therefore I am assuming that the documentation for FLX is supposedly to be valid for all versions of FLX.