This is a Testnet release. It is not recommended for Mainnet Beta
Changes
- Require 90% stake in gossip for restart
- PoH timing improvements and metrics
- wait-for-restart-window improvements
Updating to solana-program-test v1.6
See https://github.com/solana-labs/solana/wiki/Migrating-Rust-programs-from-v1.5-to-v1.6 for information on how to upgrade a Rust program from v1.5 to v1.6