# Ethereum London Upgrade, Merge Readiness Checklist, and Altair Devnet Progress

DevFeed: [Ethereum London Upgrade, Merge Readiness Checklist, and Altair Devnet Progress](<https://devfeed.tech/articles/finalized-no-27-16971.md>)

Original publisher: [Read original article](<https://blog.ethereum.org/en/2021/07/26/finalized-no-27>)

Author: Danny Ryan

Published: 2021-07-26T00:00:00Z

Content type: news

Language: en

Sources: [Ethereum Foundation Blog](<https://devfeed.tech/sources/ethereum-foundation-blog.md>)

Topics: [Ethereum](<https://devfeed.tech/topics/ethereum.md>), [releases](<https://devfeed.tech/topics/releases.md>), [Development](<https://devfeed.tech/topics/development.md>), [Testing](<https://devfeed.tech/topics/testing.md>)

Tags: [development](<https://devfeed.tech/tags/development.md>), [ethereum](<https://devfeed.tech/tags/ethereum.md>), [releases](<https://devfeed.tech/tags/releases.md>), [research-development](<https://devfeed.tech/tags/research-development.md>), [testing](<https://devfeed.tech/tags/testing.md>), [upgrade](<https://devfeed.tech/tags/upgrade.md>)

## AI overview

The article reports on the scheduled Ethereum London fork, critical client releases following a Ropsten testnet issue, a public Merge Mainnet Readiness Checklist and draft execution-layer EIP, and progress on Altair devnets.

## Source excerpt

tl;dr It's time to upgrade for London Merge checklist and draft EIP released Altair devnets launch; clients position themselves for mainnet...