Anthropic has announced an upgrade to the Claude user interface (UI), which features a revamped tool selector, new onboarding chips, and updated animations. The improvements are based on user feedback and aim to refine the overall interface experience. However, the upgraded UI is still a work in progress and is not yet available to the public. Users have noted enhancements such as the elimination of issues related to accidentally clicking on old chats, indicating a more streamlined interaction with the platform.