# Mekong Deprecation Announcement

DevFeed: [Mekong Deprecation Announcement](<https://devfeed.tech/articles/mekong-deprecation-announcement-17143.md>)

Original publisher: [Read original article](<https://blog.ethereum.org/en/2025/03/06/mekong-devnet>)

Author: EF Protocol Support

Published: 2025-03-06T00:00:00Z

Content type: release

Language: en

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

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

Tags: [2025](<https://devfeed.tech/tags/2025.md>), [announcement](<https://devfeed.tech/tags/announcement.md>), [developers](<https://devfeed.tech/tags/developers.md>), [ethereum](<https://devfeed.tech/tags/ethereum.md>), [lifecycle](<https://devfeed.tech/tags/lifecycle.md>), [protocol-announcements](<https://devfeed.tech/tags/protocol-announcements.md>), [testing](<https://devfeed.tech/tags/testing.md>), [tooling](<https://devfeed.tech/tags/tooling.md>), [ux](<https://devfeed.tech/tags/ux.md>)

## AI overview

The Mekong devnet will be deprecated on March 7, 2025, as Ethereum's Sepolia and Holesky testnets now support testing of the Pectra upgrade. Developers and stakers are directed to alternative environments, including Sepolia, Holesky, local networks, and Ephemery.

## Source excerpt

The Mekong devnet was meant to be a playground for wallet developers to experiment with UX changes and for stakers to gain confidence in the upcoming Pectra changes. The Pectra network upgrade has been activated on the Ethereum Sepolia and Holesky testnets. These networks can now be used to...