Twitter has yet to make a public announcement, so it’s currently unclear if this is an intentional update or another technical mishap. If Twitter stands by the changes, however, they both contradict and support other actions that owner Elon Musk has taken in the past year.
In 2022, Musk hired noted iPhone hacker George Hotz to fix its search feature and get rid of the login prompt that prevents unregistered users from browsing the website. Hotz resigned less than halfway through his 12-week internship with the company, claiming he “didn’t think there was any real impact I could make there.” In April this year, Twitter then eliminated the platform’s search feature for unregistered users entirely.
Nor can I. As of right now, you need to be logged in to view the site. Based on the linked screenshot, they may be dealing with malicious attacks and did this as a temporary solution while they work something out.