> ## 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If you encounter incorrect, outdated, or confusing documentation on this page, submit feedback: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-september-16-2020",
  "feedback": "Description of the issue"
}
```

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

</AgentInstructions>

# Chainstack updates: September 16, 2020

> Ethereum Rinkeby testnet support, Quorum 2.7.0 client upgrade, and GraphQL query support for dedicated Ethereum full and archive nodes on Chainstack.

* **Protocols**.
  * Ethereum Rinkeby support.
  * Quorum 2.7.0 support.
* **GraphQL**. You can now query dedicated Ethereum full nodes and archive nodes with GraphQL.