Client (v2.1.5 -> v2.2.0)

• Implemented RPC rate limiter from upstream
• Implemented Grandpa fix from upstream
• Fixed data race in telemetry data gathering
• Improved and expanded telemetry data to include more useful information

Runtime (v36 -> v38)

• Expanded ProxyType to include IdentityJudgement & NominationPools

Avail-Rust

• Added examples for event fetching
• Added interface to query Kate and Author RPCs
• Added interface to more easily query transactions
• Added new types
• Updated Metadata

Avail-Subxt

• Updated Metadata