Ethereum's 2026 roadmap: shipped upgrades versus future plans

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Ethereum's roadmap changed substantially between 2024 and 2026. Dencun activated in March 2024, Pectra followed in May 2025, and Fusaka activated in December 2025. The next named upgrade is Glamsterdam—but users should distinguish completed upgrades from proposals and estimated dates.

What has already happened

Dencun introduced blob transactions that reduced the cost of posting rollup data. Pectra included changes such as EIP-7702, which allows externally owned accounts to delegate functionality to smart-contract code. Fusaka added further scaling and data-availability improvements.

These are historical activations, not future promises. Their practical effects still depend on wallets, applications, network demand and how developers implement the new capabilities.

What is planned next

Ethereum.org identifies Glamsterdam as the next named upgrade. Block-level Access Lists and enshrined proposer-builder separation have been described as headline items, with an expected activation in the second half of 2026 in a May 2026 Ethereum.org builder article.

Expected is not guaranteed. Ethereum's roadmap is developed through research, Ethereum Improvement Proposals, client implementation, testing and community coordination. Features can change, be deferred or move to another upgrade. Later roadmap work, including Hegotá proposals, is even less certain.

Do ordinary ETH holders need to do anything?

Ethereum.org says regular users generally do not need to take action to secure assets during normal protocol upgrades. Node operators need to install supported client releases, while application developers may need to adapt to specific changes.

A message telling an ordinary holder to move ETH, “upgrade” a wallet, reveal a seed phrase or sign an unfamiliar transaction is a warning sign. Protocol upgrades do not require users to disclose private keys. Always use the official wallet, client and Ethereum Foundation channels.

Risk and uncertainty

An upgrade can improve capacity or security without guaranteeing lower fees at every moment. Transaction cost depends on network demand, gas use, ETH price and application complexity. New account features can also create new security boundaries: delegated or smart-account code must be treated as sensitive wallet infrastructure.

Primary sources

This article is general information, not financial or investment advice. Roadmap items and dates can change; verify current official announcements.

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