Firedrake meeting 2026 03 26

Date and time 2026-03-26 1600 UTC+1

Action Items

1. Pick Chair and Minuter (IM to pick)
2. ALL: (ongoing) triage the open issues and confirm if they are indeed still open (and perhaps provide labels)
3. ALL: do things with SV's branches
4. DH: Email to Andreas to have 2 (+ others!!!) loopy PRs merged TODO: FIND OUT WHICH PRS THESE ARE
5. DH: Talk to GregVernon about PR#2116.
6. CW: More testing configurations (minutes)
7. DH: Trim github organisation teams member.

Agenda

Present:

Apologies: JHC

PB/CW: ngsPETSc breaking change?

The breaking change has already been merged in https://github.com/NGSolve/ngsPETSc/pull/93. We stopped supporing MeshHierarchy + Netgen CSG in favour of Netgen OCC to support creating netgen meshes from a refined DMPlex. Netgen CSG meshes cannot snap the plex points to the boundary. This means that linear refined meshes do not snap and trying to curve this mesh results in a segfault.

CW: https://github.com/firedrakeproject/firedrake/pull/4993

CW: https://github.com/firedrakeproject/firedrake/pull/4836

Needs a full review from someone please.

Merge PRs

Date of next meeting

Meeting times going forward: Tuesday 4pm unless David has a monthly meeting, in which case Tuesday 3pm. First Tuesday meeting 31st March.

1600 UTC 2026-03-19