Mainnet - v1.6.7

This is a stable release suitable for use on Mainnet Beta

Changes

• RPC / Client
  • Add getBlockProduction RPC method
  • getLeaderSchedule now supports filtered results based on validator identity
  • The default commitment of pubsub subscriptions are now correctly set to confirmed instead of finalized
  • Add Rust TPU client for sending transactions to the current leader TPU port
• solana command-line improvements
  • Fix APR calculation and clarify language around APR in solana inflation output
  • Add sorting options to solana validators
  • Display last vote, skip rate, and root behind distance in solana validators output
  • withdraw-stake now supports ALL
  • Add --seed argument support to delegate-stake and withdraw-stake commands
  • The deprecated pay command is now an alias to transfer
  • Implement Bip32 for seed-phrase/passphrase signing
• solana-test-validator improvements
  • Add --limit-ledger-size argument
  • Upgradable BPF loader is now included by default
• solana-validator improvements
  • send votes to next leader's TPU instead of our TPU
  • gossip optimizations
  • Allow SetUpgradeAuthority instruction in CPI calls
  • Vote processing improvements
• Documentation improvements
• Upgrade Rust toolchain to 1.51