v1.3.12

Changes

• RPC simulateTransaction commitment parameter is now consistent with all other RPC methods
• RPC sendTransaction now returns transaction logs when simulation fails
• RPC stability improvements and bug fixes
• Ledger CLI tool improvements that help debug account state and snapshot archives
• Genesis creation tool now supports specifying a BPF loader when loading BPF programs
• Validator info CLI tool no longer crashes on bad input
• Solana CLI tool now confirms transactions correctly and efficiently
• Fixed panic in BanksServer
• Fixed validator CPU stepping bug
• Add initial Exchange documentation for SPL Token integration