Mavericks v0.18.0

The focus of this release has been on third-party validator uptime and associated tooling ergonomics. A big thanks to the many people participating in the three Tour de SOL dry runs! Your feedback has been invaluable!

Major Features And Improvements

• Overhauled networking layer to keep Turbine's UDP packets under MTU
• Validator stakes now "warm up" and "cool down"
• Enabled ledger state snapshots. Validators will now join a cluster almost immediately instead of needing to evaluate every transaction since genesis.
• Improved command-line error messages. The shell wrappers are almost all gone!

Breaking Changes

• solana-wallet command-line tool has been renamed to solana
• Various command-line arguments to solana-validator have changed since v0.17
• Various JSON RPC API methods have changed since v0.17

Known Issues

• TPS report not available due to #5678