Block.one today announced the release of EOSIO tool EOSJS candidate version 21.0.0-rc1 with the following updates: 1. Introducing WebAuthn to ensure the security of EOSIO applications. EOSIO is the first blockchain platform to support WebAuthn. 2. Added conversion function to easily switch between eosjs-ecc and ellipse cipher library 3. Context-free operation support Block.one team expressed the hope that the EOSIO developer community will actively test EOSJS 21.0.0-rc1 to help it develop stable versions Improved builds.