31st March 2026

Agenda

1. Action items from the last call - Bosko

2. HFWG meeting time

3. Haskell node - Jeff and/or Ramsay

4. Plutus cost model - Ryan

5. Hard Fork Tentative Timeline

6. Risk log

7. No X space this week

8. Future hard fork scope (Dijkstra)

   1. Workshop in Porto early June - Amaru team, reach out to Damien (sp0ty) on Discord

9. AOB

Key materials

• Recording

• Chat

• Transcript

  • Summary and action items (generated by AI from meeting's transcript and chat)

• Hard Fork Working Group communication channels

  • Discord — #wg-hard-fork

  • Weekly bulletins

  • Luma calendar

  • This weeks X space

• Tentative timeline

Action items and next steps

• Ramsay / Alexey: Provide a technical update in Discord regarding the root cause of the v10.7 heap size increase following the performance touchpoint on Thursday.

• Bosko / Ramsay: Coordinate with the Release Management team to flip the meeting times starting next week: move the Release Meeting to 2:00 UTC and the Hard Fork Working Group to 3:00 UTC to ensure the HFWG has the freshest data.

• Ryan Williams: Update the Excalidraw Timeline to include the v11.0 promotion milestone and clear labeling for exchange integration windows.

• Bosko: Formally publish the van Rossem Risk Register for community visibility and assign owners to each risk by the next meeting.

• Ryan Williams: Present the iterated "Technical Change Short-listing" process at next week's meeting, incorporating feedback from the recent Builderfest.