Browser console always has warnings for
This page is using the deprecated ResourceLoader module "schema.UniversalLanguageSelector".
See https://phabricator.wikimedia.org/T205744 for migration info.
I think resolving this might be possible now (?) based on this task being marked as "done" T187207: Spin out a tiny EventLogging RL module for lightweight logging
See also T90184: ULS analytics schema update