The new login flow should be documented in all relevant places, for example:

• the oc command's help
• https://docs.openshift.com/container-platform/4.12/cli_reference/openshift_cli/getting-started-cli.html#cli-logging-in_cli-developer-commands
• https://docs.openshift.com/container-platform/4.12/cli_reference/openshift_cli/developer-cli-commands.html#oc-login

The documentation must also include a warning that because the particular flow runs a server on localhost with HTTP and not HTTPS, it should be used with extra caution on shared computers.