http://ninijinhuumjzbs3lxrgyxkyi4kne6khgr7ipdd5zoprgejdnl2tpiyd.onion
Considering the number of bright individuals who participated in it, it is considered a success from our point of view. Adding a new shielded pool assumes a total balance leak and results in a permanent loss of funds for those who didn't move their funds to the new protocol. Sapling is widely tested and auditied protocol.