What happened to Arena mode?

[jeopardytempest]

When I go to look for Arena now, I see

This game's rules aren't adapted to Arena, so this game mode is not available at the moment. Try another one!

But it looks in the forums like it was years ago. What happened to it?

[Jellby]

Some games with widely available engines, including most word games, have their competitive features disabled:
https://boardgamearena.com/faq?anchor=f ... edrankings