In Special:Preferences, the preference "Reload the watchlist automatically whenever a filter is changed (JavaScript required)" is now only visible for users who have opt-out the New Filters for the Watchlist.
In Special:Preferences, the preference "D'Iwwerwaachungslëscht nei lueden esoubal wéi e Filter geännert ass (JavaScript gëtt gebraucht)" is now only visible for users who have opt-out the New Filters for the Watchlist.