4th August 2026

Agenda

1. Action items from the last call - Bosko

2. Dijkstra era hard fork - Bosko, all

   1. Scope

      1. IO Team presented their plan

      2. Product committee - Dijkstra Era: Phased Rollout Plan

   2. Node diversity

      1. Haskell, Amaru (Rust), Dingo (Go), Dugite (Rust), TSUNAGI (Zig), Gerolamo (TypeScript), Dolos (Rust), Turbocardano (C++), Razor (.NET), Scalus (Scala)

3. AOB

Key materials

• Summary

  • Dijkstra Era hard fork

    • Scope

      • Scope stays the one presented by IO Haskell node team and is available here

      • Dijkstra Era: Phased Rollout plan will be moved to Cardano Upgrades space

    • Timing

      • The rollout plan is split into two phases, one being completed in Q4 2026, the other one in Q2 2027

    • Node Diversity

      • Michael from Dugite node team was present at the meeting and gave a quick brief on the Dugite node itself

  • Hard Fork Working Group will continue to meet once a week starting this week, now that the Dijkstra era hard fork scope is setlast week

• Hard Fork Working Group communication channels

  • Discord — #wg-hard-fork

  • Weekly bulletins

  • Luma calendar

  • Email

• Product committee - Dijkstra Era: Phased Rollout Plan

• Recording

• Transcript

• Chat

Action items and next steps

• Bosko: Dijkstra Era: Phased Rollout plan should be moved to Cardano Upgrades space

• Carlos: Attend the next parameter committee call in 2 weeks to further discuss the impact on constitution and parameters for the Dijkstra era hard fork

• Kevin/Sam L/Ryan C W: Draft the decision making and prioritization process for future hard forks

• Bosko: Continue creating supporting structure and relevant documentation within the hard fork working group GitBook space under Technical Steering Committee

• Tex: Create ecosystem dependency mapping document(s)