Twitter is hiding all content behind a login now: https://www.reuters.com/technology/twitter-now-needs-users-sign-view-tweets-2023-06-30/
These changes sadly spell the end for 3rd party front-ends like Nitter: https://github.com/zedeus/nitter/issues/919
Changing Nitter to support login data or cookies could work, but it’s unclear how viable that is.
RIP nitter.pufe.org for now :(
Ah shucks. I just created a twitter account the same day I created my account here, for the purpose of drumming up interest for my game that’s in development. They’re making it less and less appealing to be on Twitter by the day