solana-labs/solana v1.2.1

on GitHub

Fixes

• Improve exchange integration guide
• Add preflight checks to sendTransaction RPC method
• System transfer can now transfer to the same address
• Added solana-validator --health-check-slot-distance argument
• Add getInflationGovernor and getInflationRate RPC endpoints
• simulateTransaction RPC endpoint now returns program log output
• Avoid possible repair orphan DoS
• Fix RPC decoding of mainnet-beta transactions earlier than slot 14,780,256
• Avoid AccountInUse errors when simulating transactions
• Compact ledger once a day to reduce disk IOPS
• solana-ledger-tool is now able to read the ledger while solana-validator is writing to it
• Add solana vote-update-commission command
• RPC sendTransaction endpoint now retries until transaction blockhash expiry