All Pi Network Mainnet nodes must upgrade to Protocol 22.1 by today, April 27, or be automatically cut off from the network, losing the ability to validate transactions and earn node rewards.The Bitget technical guide confirms Protocol 23.0 has been moved from May 18 to May 11, one week earlier than previously announced, with four additional protocol upgrades added to the summer roadmap.PI traded near $0.1687 with a $1.73 billion market cap on April 23, largely unmoved by the deadline, with 421,000 active nodes and over 10 billion PI migrated to Mainnet.