# Soldøgn Interop Recap ☀

DevFeed: [Soldøgn Interop Recap ☀](<https://devfeed.tech/articles/sold-gn-interop-recap-17222.md>)

Original publisher: [Read original article](<https://blog.ethereum.org/en/2026/05/02/soldogn-interop-recap>)

Author: Tim Beiko

Published: 2026-05-02T00:00:00Z

Content type: article

Language: en

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

Topics: [Ethereum](<https://devfeed.tech/topics/ethereum.md>), [Network](<https://devfeed.tech/topics/network.md>), [benchmarking](<https://devfeed.tech/topics/benchmarking.md>), [Code](<https://devfeed.tech/topics/code.md>), [MCP](<https://devfeed.tech/topics/mcp.md>)

Tags: [agentic-workflows](<https://devfeed.tech/tags/agentic-workflows.md>), [benchmarking](<https://devfeed.tech/tags/benchmarking.md>), [contributors](<https://devfeed.tech/tags/contributors.md>), [ethereum](<https://devfeed.tech/tags/ethereum.md>), [mcp-server](<https://devfeed.tech/tags/mcp-server.md>), [network](<https://devfeed.tech/tags/network.md>), [recap](<https://devfeed.tech/tags/recap.md>), [research-development](<https://devfeed.tech/tags/research-development.md>), [upgrade](<https://devfeed.tech/tags/upgrade.md>)

## AI overview

A recap of Soldøgn Interop, where more than 100 Ethereum core contributors worked in Svalbard on hardening the Glamsterdam network upgrade. The week produced agreement on a post-upgrade gas limit floor of 200M, stable ePBS implementations with external builders, finalized EIP-8037 repricing numbers, and progress on related features.

## Source excerpt

This past week, just over 100 Ethereum core contributors gathered above the Arctic Circle -- in Longyearbyen, Svalbard -- for the Soldøgn Interop: a week of intense work on the Glamsterdam network upgrade. Soldøgn followed last year's Berlinterop, but returned to the format used by Amphora 🏺, [Edelweiss 🏔](https://blog.ethereum.org/2023/02/07/edelweiss-interop-recap...