EOS developer Block.one announces the release of version 2.0 of the EOSIO open source protocol with improved smart contract processing and security
Source: https://cointelegraph.com/news/eos-developer-blockone-releases-version-20-of-eoiso-protocol
EOS Developer Block.one Releases Version 2.0 of EOSIO Protocol
October 8, 2019
CoinTelegraph