https://arstechnica.com/tech-policy/2023/03/twitter-obtains-subpoena-forcing-github-to-unmask-source-code-leaker/

Twitter has obtained a subpoena compelling GitHub to provide identifying information on a user who posted portions of Twitter's source code.

Twitter on Friday asked the US District Court for the Northern District of California to issue a subpoena to GitHub. A court clerk signed off on the subpoena yesterday.