According to TikTok, "many of the major components of Project Texas are already operational, and we will continue bringing more parts of the initiative online in the coming weeks and months." This comes amid continued scrutiny of the service by the US government, and an impending ban of the service in Montana (TikTok has sued to stop the latter).
https://www.pcmag.com/news/tiktoks-answer-to-security-concerns-grant-oracle-full-source-code-access