This section contains important instructions for node operators and other EOSIO stakeholders to transition an EOSIO network successfully through an EOSIO version or protocol upgrade.
Upgrading from previous versions of EOSIO
Upgrading From v2.1.x
Node operators running version v2.1.x or prior versions should be able to upgrade to v2.2.x using a snapshot. Another option is to rebuild state in v2.2.x by replaying the blocks.log from v2.1.x.