> ## 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If you encounter incorrect, outdated, or confusing documentation on this page, submit feedback: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-july-7-2022",
  "feedback": "Description of the issue"
}
```

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

</AgentInstructions>

# Chainstack updates: July 7, 2022

> Harmony moves from testnet to devnet, Tezos migrates to Ithacanet, shared nodes rebrand to elastic nodes, and Warp transactions launch on Ethereum nodes.

* **Protocols**.
  * Harmony migrated from testnet to [devnet](/docs/protocols-networks) for better experience.
  * Tezos migrated from Hangzhounet to [Ithacanet](/docs/protocols-networks).
* **Pricing**. An update to the pricing plans with new features and increased included requests. See [the blog post with an overview](https://chainstack.com/pricing-update-2022/).
* **Node naming**. Shared nodes are now elastic nodes to reflect the underlying architecture and scalable infrastructure.
* **APIs**.
  * Fast transaction propagation with the [Warp transactions](/docs/warp-transactions) feature on Ethereum, Polygon, and BNB Smart Chain.
  * [Miner Extractable Value (MEV) API](/changelog/chainstack-updates-april-12-2023) for elastic Ethereum nodes for mainnet and Goerli testnet.
  * [Debug and trace APIs](/docs/debug-and-trace-apis) for elastic Ethereum archive nodes.