http://xi2nhkuzm2hzgyedprs3n65wmudrq4rekbzire67oomiwk5x5h6w7nqd.onion/tr/get-started/faq
Recently, the biannual hard forks included changes to the PoW algorithm, to preserve ASIC-resistance. The dev community and the Core Team agree that the protocol is stable and mature enough and biannual hard forks are not necessary anymore.