Flexible Polymer Casing (v1.17.4)

Maintenance release with bug fixes, improvements, and continued Amsterdam hardfork implementation. Clef has been removed.

Enzymatic Injector (v1.17.3)

Maintenance release with Amsterdam fork progress, live ETH/70, and breaking changes to structLog tracer fields in debug_trace* APIs.

EMF Suppressor (v1.17.2)

This is a maintenance release with several important bug fixes. Notably, a critical issue in `debug_executionWitness` could previously corrupt node data, users relying on this RPC endpoint are strongly advised to upgrade. Geth now also supports syncing with chains where pre-Pragu…

Eezo Shunt (v1.17.1)

This is a bug fix release and is recommended for all users. It resolves a regression in snap sync, as well as several security issues. ### Geth - The engine API no longer enables plain-text HTTP2, due to some reports of incompatibilities with the teku CL (#33922) - The new `--met…

Eezo-Inlaid Circuitry (v1.17.0)

This is a feature release, with all accumulated development from the last 3 months. See below for the highlights. Note that this release contains multiple critical security fixes, as well as many bug fixes, and is recommended for all users. However, if you are cautious about upgr…

Shield Focusing Module (v1.16.9)

This is a security hot-fix release. Specifically, this release fixes [CVE-2026-26314](https://github.com/ethereum/go-ethereum/security/advisories/GHSA-2gjw-fg97-vg3r), [CVE-2026-26315](https://github.com/ethereum/go-ethereum/security/advisories/GHSA-m6j8-rg6r-7mv8). We recommend …

Moisture Filters (v1.16.8)

This is a security fix release and is recommended for all users. It resolves two p2p vulnerabilities reported through the Ethereum Foundation bug bounty program. --- As with all our previous releases, you can find the: - Pre-built binaries for all platforms on our [downloads page…

Ballistic Drift Stabilizer (v1.16.7)

This is a re-roll of v1.16.6, including an important fix in the KZG cryptography library. **This release enables the Fusaka hardfork on Ethereum mainnet**. The Fusaka fork is scheduled to occur at `2025-12-03 21:49:11 UTC`. Please upgrade your node to v1.16.7 in time for the fork…

Leather Wrapping (v1.16.6)

⚠️ **Do not use v1.16.6 for the Fusaka upgrade! Please use v1.16.7, which contains an important security fix.** ⚠️ This release enables the Fusaka hardfork on Ethereum mainnet The fork is scheduled to occur at `2025-12-03 21:49:11 UTC`. This release also enables the BPO1 and BPO2…

Coolant Cells (v1.16.5)

This is a maintenance release. We are issuing this release mostly to add a conversion path for blob proofs submitted via `eth_sendRawTransaction`. See https://blog.ethereum.org/2025/10/15/fusaka-blob-update for more information. ### RPC - `eth_sendRawTransaction` has an upgrade p…

Bioelectric Infusers (v1.16.4)

This release enables the Osaka (Fusaka) fork on testnets. We also enable two blob-parameter only (BPO) forks for the testnets. - Holesky - Osaka at time `1759308480` (2025-10-01 08:48:00 UTC) - BPO1 at time `1759800000` (2025-10-07 01:20:00 UTC) - BPO2 at time `1760389824` (2025-…

Impact Restrictors (v1.16.3)

## What's Changed This is a maintenance release to prepare for the Fusaka release next week. It contains a state history rewrite, fixes for the Osaka devnets, performance improvements, and a few bug fixes. ### Fusaka * Fix: use blob parameters from current header [#32424](https:/…

Sprouted Seed Vial (v1.16.2)

This is a maintenance release that includes implementations of the Fusaka EIPs, along with several new features, optimizations, and bug fixes. Upgrading to this version is optional, but feedback from those who do is greatly appreciated. ### Fusaka: - Implement EIP-7825 - Transact…

Repair Actuals (v1.16.1)

This is a patch release, fixing some regressions with [v1.16.0](https://github.com/ethereum/go-ethereum/releases/v1.16.0). - abigen v2 now creates `TryPack` methods that return an error for invalid parameter values. (#31692) - `geth --vmtrace`, enabling the live tracer, did not w…

Terran Rivets (v1.16.0)

We are proud to present the v1.16.0 release, introducing path-based archive node and several other improvements to the state database implementation. There is also the usual amount of bug fixes and small improvements. ### Archive Node This release includes a new, experimental imp…

Armored Compartments (v1.15.11)

This is a maintenance release, correcting issues with log and transaction indexing. Upgrading to this release is not required to follow the Pectra fork on mainnet, you can keep using v1.15.9 or v1.15.10, but we recommend you upgrade at your convenience to fix RPC issues. ### All …

Omni-Capacitors (v1.15.10)

This is a bug-fix release that corrects an issue with the new log indexer and configures the beacon chain light client for the Electra fork on mainnet (we forgot about this in v1.15.9). **This release is also suitable for following the Pectra fork on Mainnet.** ### All changes - …

Multicapacitor (v1.15.9)

This release enables the Prague execution-layer fork on mainnet. #### Prague As of this release, the Prague fork is scheduled to occur on mainnet at block timestamp `1746612311` (Wed May 07 10:05:11 2025 UTC). As a reminder, the fork contains the following EIPs: - [EIP-2537](http…

Combatives Upgrade (v1.15.8)

This is a bug-fix release with some performance improvements. #### Geth - `geth import` now applies database and cache flags correctly. (#31577, #31534) - The new log indexer now exports metrics about its operation. (#31511) - The beacon chain light client, `blsync` now has a fea…

Juggernaut Shield (v1.15.7)

This is a bug fix release. We are putting is out specifically to address a critical issue that could break archive node databases. - Fixed an issue for `--state.scheme=hash` where the log indexer would accidentally delete trie nodes. (#31525) - Fixed an issue with tx submission, …

Mental Focuser (v1.15.6)

🚧 **Note: we are investigating an issue with this release that affects archive nodes (--gcmode=archive). If you are running Geth in this mode, please hold off upgrading.** 🚧 This is a feature release, with two exciting upgrades: - Log filtering in Geth receives a huge performance…

Stronghold Package (v1.15.5)

Alright 🥲 This is a hotfix release for an issue on the Sepolia testnet. Shortly after the Pectra fork activation, an issue in deposit contract logs parsing was discovered. Sepolia has a custom version of the deposit contract that also implements ERC-20, and thus unexpected log ev…

Ethereum for Governments and Institutions: Why neutral infrastructure matters now

Global shifts show the need for neutral digital public infrastructure. Ethereum, as a decentralized network without single-party control, addresses this need.

The EF’s new structure

Today, the EF is changing shape, concluding a months-long reorganization process as part of implementing the Mandate and Treasury Management Policy.

Clear Signing: Making Transaction Approvals Safer on Ethereum

An Ethereum Working Group of wallet developers, security firms, and the EF's Trillion Dollar Security Initiative launched an open standard to end blind signing, which has caused billions in user losses.

Protocol Cluster Updates: May 2026

Ethereum core devs met in Svalbard, Norway for interop, focusing on hardening and preparation for the Glamsterdam upgrade.

Soldøgn Interop Recap

Over 100 Ethereum core contributors gathered above the Arctic Circle in Longyearbyen, Svalbard for a week of focused work on the Glamsterdam network upgrade.

Announcing Cohort 7 of the Ethereum Protocol Fellowship

EPF7 applications open until May 13. Introductory town hall on May 6 at 1500 UTC. The fellowship trains the next generation of Ethereum protocol contributors.

Allocation Update - Q1 2026

Q1 2026 sustained investment in cryptography, zero-knowledge proofs, security, and protocol research, supporting projects strengthening Ethereum foundations.

ETH Rangers Program Recap

Launched in late 2024 with Secureum, The Red Guild, and SEAL, ETH Rangers funded individuals doing public-goods security work in the Ethereum ecosystem.

Checkpoint #9: Apr 2026

Periodic high-level summary of Ethereum All Core Developer calls, summarizing protocol-level decisions and progress.

How L1 and L2s can build the strongest possible Ethereum

Platform team perspective on the L1/L2 relationship, the role of each layer, and how the ecosystem is leveraging this stack to scale Ethereum cohesively.

The Promise of Ethereum: Introducing the EF Mandate

Ethereum Foundation publishes the EF Mandate, a document serving as part constitution, manifesto, and guide for the Foundation, clarifying its purpose and operating principles.

This Is Fine (Until the Grant Runs Out)

libp2p, a core Ethereum infrastructure stack used by multiple clients, signals funding distress. Discussion on long-term sustainability of open source public-goods infrastructure.

Treasury Staking Initiative

Ethereum Foundation begins staking ~70,000 ETH from its treasury, with rewards directed back to the EF treasury, in line with last year's Treasury Policy.

The Ethereum Foundation's Commitment to DeFi

EF reaffirms DeFi as the inevitable evolution of finance and a critical driver of Ethereum's growth. Outlines opinionated direction for supporting DeFi development.

Protocol Priorities Update for 2026

Reviews 2025 progress on three Protocol initiatives — Scale L1, Scale Blobs, Improve UX — and outlines updated thinking and direction for 2026.

Announcing the Platform Team at EF

New Platform team inside EF aims to deliver the strongest possible Ethereum platform, with focus on improving the L1/L2 relationship and supporting users, apps, and orgs.

Ethereum Protocol Studies 2026

Ethereum Protocol Studies (EPS) returns for 2026 with new tracks in cryptography, lean consensus, and zkEVM, plus a new self-paced learning platform launching Feb 23.

An update from Tomasz

Tomasz Stańczak announces he is stepping down from co-ED role at the EF at end of February 2026. Bastian Aue takes over the co-ED role alongside Hsiao-Wei.

Executive Leadership Update

Tomasz Stańczak steps down as Co-Executive Director of the Ethereum Foundation. The Board announces the leadership transition.

Introducing the EF Academic Secretariat 2026 PhD Fellowship

EF Academic Secretariat launches inaugural PhD Fellowship Program to support Ethereum-related academic research led by PhD students.

Trillion Dollar Security Day at Devconnect

At Devconnect Buenos Aires, EF and Secureum TrustX gathered Ethereum security practitioners to explore what it would take to securely support a trillion-dollar Ethereum economy.

Allocation Update - Q4 2025

Q4 2025 closing summary of grants and ecosystem initiatives supported by the Ethereum Foundation in the final quarter of the year.

Checkpoint #8: Jan 2026

Periodic 4-8 week high-level update on Ethereum All Core Developer calls and protocol development progress.

Devcon 8 is coming to Mumbai, India in November 2026

Devcon, the Ethereum community's annual global gathering for builders, will take place 3-6 November 2026 at the JIO World Center in Mumbai, India.