The reason this project exist is that I'm experiencing a new way of programming. Quickly hacking a solution together to get the job done instead of losing time on conceiving the perfect design and implementation. What this means for you, the end user, is that you should expect app crashes when something unexpected, such as network failure, happen.
Hidden feature: it can grab playlist URLs from clipboard and directly add them to the playlist list.
Windows is officially supported and it sometimes work on Linux and Mac via mono project. Updated information can usually be found in the Changelog, down below.