Initial release 0.9 * multitracker support * serves multiple torrents on a single port and a single thread * supports http proxies and proxy authentication * gzipped tracker-responses * block level piece picker * queues torrents for file check, instead of checking all of them in parallel * uses separate threads for checking files and for main downloader * upload and download rate limits * piece-wise, unordered, incremental file allocation * fast resume support * supports files > 2 gigabytes * supports the no_peer_id=1 extension * support for udp-tracker protocol * number of connections limit * delays sending have messages * can resume pieces downloaded in any order * adjusts the length of the request queue depending on download rate * supports compact=1 * selective downloading * ip filter