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Adding compatibility checks for HiGHS (and perhaps other solvers?)

Status: Open.

#762 In Pyomo/mpi-sppy;

· tvalenciaz opened on Jun 15, 2026

APH + persistent solver can hang ~7 min in pyomo TeeStream output capture (worker thread never joined)

Status: Open.

#753 In Pyomo/mpi-sppy;

· DLWoodruff opened on Jun 14, 2026

flex-ranks: support the reduced_costs spoke at flexible rank ratios (Phase 7)

Status: Open.

#749 In Pyomo/mpi-sppy;

· DLWoodruff opened on Jun 12, 2026

Flexible ranks: per-field coherence read-outcome diagnostic (miss rate / why a bounds cylinder reports infrequently)

Status: Open.

#742 In Pyomo/mpi-sppy;

· DLWoodruff opened on May 30, 2026

CrossScenarioCutSpoke never fetches its receive buffers (make_cut never fires); also untested

Status: Open.

#728 In Pyomo/mpi-sppy;

· DLWoodruff opened on May 24, 2026

CROSS_SCENARIO_COST buffer length is inconsistent (only correct at one rank per cylinder)

Status: Open.

#727 In Pyomo/mpi-sppy;

· DLWoodruff opened on May 24, 2026

Flexible ranks: replace fullcomm.allgather layout exchange with a scalable scheme before production use

Status: Open.

#726 In Pyomo/mpi-sppy;

· DLWoodruff opened on May 24, 2026

Move example auxiliary functions into <model>_auxiliary.py to declutter intro examples

Status: Open.

#676 In Pyomo/mpi-sppy;

· DLWoodruff opened on May 4, 2026

Cut-pool management for cross-scenario and xhat feasibility cuts

Status: Open.

#670 In Pyomo/mpi-sppy;

· DLWoodruff opened on Apr 23, 2026

Extensions to DW decomposition

Status: Open.

#648 In Pyomo/mpi-sppy;

· bknueven opened on Apr 3, 2026

Xhatters should optionally generate feasibility cuts

Status: Open.

#601 In Pyomo/mpi-sppy;

· bknueven opened on Jan 7, 2026

Consistent/rigorous enforcement of rho > 0 checks

Status: Open.

#560 In Pyomo/mpi-sppy;

· jeanpaulwatson opened on Aug 18, 2025