Glamsterdam

TestnetsTarget: 2026

The next major upgrade after Fusaka, featuring Enshrined Proposer-Builder Separation (ePBS) and Block-Level Access Lists (BALs).

Meta EIP: EIP-7773🐻‍❄️Mascot: Polar Bear(EIP-7773)Gloas (CL) + Amsterdam (EL)(EIP-8133)

Previous Upgrades

Historical (16 Forks)2015–2024

Frontier (2015) through Dencun (2024), including The Merge, Shapella, London, and early forks.

Pectra

Live2025-05-07

Account abstraction for EOAs, validator UX overhaul, and doubled blob throughput.

Fusaka

Live2025-12-03

PeerDAS-powered blob scaling, a 60M gas limit, and Blob Parameter Only forks.

EIP-7594

BPO1

Live2025-12-09

Blob Parameter Only 1: Raised blob target to 10 and max to 15.

BPO2

Live2026-01-07

Blob Parameter Only 2: Raised blob target to 14 and max to 21.

we are here

Glamsterdam

Testnets→ 2026

The next major upgrade after Fusaka, featuring Enshrined Proposer-Builder Separation (ePBS) and Block-Level Access Lists (BALs).

EIP-7732 +1 more

Hegotá

Scoping→ 2027

The network upgrade following Glamsterdam, anchored by FOCIL for consensus-layer censorship resistance and statelessness groundwork.

EIP-7805 +1 more

Where each candidate EIP stands with client teams - sorted by overall support, so what's likely in floats to the top. Each team's own rating (tiers, support/oppose) is normalized to a 1–5 scale; the devnet badge is a live readiness signal from our own spec tracking. Ratings last curated 2026-07-13.

Client layer

Each dot is a team's stance: strong support → neutral → opposed. EIPs are sorted by overall support. Click one for each team's rating, rationale, and source.

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Glamsterdam