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Eighteen test modules build state at import: retire the collection-guard ratchet list

Status: Open.

#587 In underworldcode/underworld3;

· lmoresi opened on Aug 16, 2026

Stokes velocity KSP truncates silently at its default 200-iteration cap

Status: Open.

#585 In underworldcode/underworld3;

· lmoresi opened on Aug 16, 2026

GAMG defaults deviate from PETSc's and cripple it: pc_mg_type=additive, and block size 1 on vector fields

bugSomething isn't workingSomething isn't working

Status: Open.

#579 In underworldcode/underworld3;

· lmoresi opened on Aug 16, 2026

CylindricalStokes(boundary='zero') leaves the pressure nullspace in place

bugSomething isn't workingSomething isn't working

Status: Open.

#577 In underworldcode/underworld3;

· lmoresi opened on Aug 15, 2026

Stokes outer Krylov defaults to gmres while the fieldsplit sub-blocks are Krylov solves — must be fgmres

bugSomething isn't workingSomething isn't working

Status: Open.

#576 In underworldcode/underworld3;

· lmoresi opened on Aug 15, 2026

Nothing prevents a test module from mutating global state at import — add a collection-time guard

Status: Open.

#575 In underworldcode/underworld3;

· lmoresi opened on Aug 15, 2026

CI wall-clock tracks total test time: split the batches across parallel jobs (the 60-minute cap was reached, 120 is a stop-gap)

Status: Open.

#573 In underworldcode/underworld3;

· lmoresi opened on Aug 15, 2026

Audit scripts/test.sh against the test tree: four coverage gaps in two days, each of which hid a real defect

Status: Open.

#570 In underworldcode/underworld3;

· lmoresi opened on Aug 15, 2026

mesh.cell_size() is partition-dependent (kd-tree of this rank's centroids) — and add_nitsche_bc(local_h=True) is the DEFAULT, so Nitsche answers move 6.6e-03 between rank counts

Status: Open.

#569 In underworldcode/underworld3;

· lmoresi opened on Aug 15, 2026

FreeSurface records hscale but not tscale, so a published benchmark checkpoint cannot be evaluated at matched physical time

Status: Open.

#562 In underworldcode/underworld3;

· lmoresi opened on Aug 14, 2026

pull_vertex_onto: two control points can claim the same vertex, silently unplacing the first

Status: Open.

#559 In underworldcode/underworld3;

· lmoresi opened on Aug 14, 2026

Outcrop on curved boundaries: the wall descriptor is (axis, value) everywhere

Status: Open.

#555 In underworldcode/underworld3;

· lmoresi opened on Aug 13, 2026