Firedrake meeting 2026 07 21

Date and time 2026-07-21 1600 UTC+1

Action Items

1. Pick Chair and Minuter (LC 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. JHC: New manual release

Agenda

Present:

Apologies:

Team catch up (if time)

PB: Adaptivity

This is the design we discussed in the PETSc meeting.

Support SNES adaptivity #5213

• API u_adapt = solve(F==0, u, marking_callback=...)

Support DMPlex adaptivity #5215

• Support for adaptively-refined hierarchies in prolong/restrict/inject
• New modules (firedrake/adapt.py, firedrake/redist.py)

BC: RieszMapPC for pyadjoint.TAOSolver

• https://github.com/firedrakeproject/firedrake/pull/5268
• https://github.com/bj-chang/pyadjoint/blob/226952b38599ade7d05594be75c290b82e19d78a/pyadjoint/optimization/tao_solver.py#L833

Merge PRs

Date of next meeting

1600 UTC+0100 2026-07-28