> ## 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.

<AgentInstructions>

## Submitting Feedback

If you encounter incorrect, outdated, or confusing documentation on this page, submit feedback:

POST https://docs.chainstack.com/feedback

```json
{
  "path": "/changelog/chainstack-updates-march-4-2024",
  "feedback": "Description of the issue"
}
```

Only submit feedback when you have something specific and actionable to report.

</AgentInstructions>

# Chainstack updates: March 4, 2024

> Ethereum Holesky and Sepolia testnet archive nodes running Erigon with debug & trace APIs are now deployable as Chainstack global elastic nodes.

**Global elastic nodes** for Ethereum Holešky & Sepolia.

* Ethereum Holešky Testnet — you can now deploy [global elastic nodes](/docs/global-elastic-node) in archive mode with debug & trace APIs. The node client is running Erigon.
* Ethereum Sepolia Testnet — you can now deploy [global elastic nodes](/docs/global-elastic-node) in archive mode with debug & trace APIs. The node client is running Erigon.