Polaris is a self-hosted music streaming server developed using the Rust programming language, aimed at enhancing the landscape of self-hosted music solutions. Users express a clear need for affordable alternatives to leading services like Roon, which can be costly. The emergence of Polaris signals a welcome increase in competition, fostering innovation. Commenters have raised questions regarding compatibility with existing protocols such as Subsonic or MPD and expressed interest in features like replaygain support, indicating that user-centric functionalities and adaptability will be essential for Polaris's success in the market. Overall, the development of Polaris reflects a broader trend towards self-hosting and user empowerment in the music streaming sector.