> ## Documentation Index
> Fetch the complete documentation index at: https://docs.chainstack.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Chainstack updates: November 19, 2025

> Chainstack platform update — Sui nodes now support gRPC endpoints for high-performance data access alongside existing JSON-RPC and WebSocket options.

**Protocols**. Sui nodes now support gRPC endpoints for high-performance access. See [Sui tooling](/docs/sui-tooling) and [authentication methods](/docs/authentication-methods-for-different-scenarios).