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

# Chainstack updates: March 5, 2024

> Arbitrum Sepolia Testnet archive nodes with debug & trace APIs are now deployable as Chainstack global elastic nodes for safe rollup contract testing.

**Global elastic nodes**. Now, you can deploy global elastic nodes in archive mode with debug & trace APIs for Arbitrum Sepolia Testnet.