> ## 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: March 6, 2023

> Ethereum Rinkeby and Ropsten testnets are now deprecated on Chainstack; developers should migrate to the Sepolia and Goerli testnets for new projects.

**Protocols**. Ethereum Rinkeby and Ropsten testnets are now deprecated. For development purposes, use [Sepolia and Goerli testnets](/docs/protocols-networks).