Installed and configured, but not working. The links are simple twitter.com links. Looks like Monterey just overrides it.
Thanks for letting us know. I have the pref pane installed, but not any private Twitter apps. I suspect Twitter does this because it wants to control their app, similarl to how they restrict developers from full access to all their APIs. No idea how that might change in the Musk era, either. I do prefer the Mac App to using the browser, so I'm using it, but there used to be three independent apps that I liked better: Tweetbot, Twitterific, and Your Fukurou. And we all know Tweetie was bought and transformed into the Twitter app.
This is all on Twitter, and I suppose how we feel about this situation will be one factor in determining how much we use Twitter.