> ## 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: December 5, 2025

> Chainstack platform update — Unichain Mainnet and Sepolia Testnet Global Nodes support, plus Cronos debug and trace methods on Global and Trader Nodes.

**Protocols**:

* Unichain — You can now deploy [Global Nodes](/docs/global-elastic-node) for Unichain Mainnet and Sepolia Testnet.
* Cronos — Debug and trace methods are now available for Cronos Mainnet on [Global Nodes](/docs/global-elastic-node) and [Trader Nodes](/docs/trader-node).