> ## 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: January 18, 2023

> Global elastic nodes are now deployable for Base Sepolia, Optimism Sepolia, and zkSync Era Sepolia testnets, expanding L2 testnet coverage on Chainstack.

**Global elastic nodes**. Now you can deploy global elastic nodes for Base Sepolia Testnet, Optimism Sepolia Testnet, zkSync Era Sepolia Testnet.