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Modernization notes: Py_TPFLAGS_IMMUTABLETYPE, global state vs subinterpreters, richcompare convention

Status: Open.

#231 In nucleic/kiwi;

· devdanzin opened on Mar 27, 2026

Performance and cleanup: GIL held during solver ops, lock churn, dead version guards

Status: Open.

#230 In nucleic/kiwi;

· devdanzin opened on Mar 27, 2026

Global state cleanup: leaked refs on re-exec, borrowed type pointers, partial failure leaks

Status: Open.

#229 In nucleic/kiwi;

· devdanzin opened on Mar 27, 2026

Solver and strength types missing tp_traverse for heap type; repr methods vulnerable to GC-clear

Status: Open.

#228 In nucleic/kiwi;

· devdanzin opened on Mar 27, 2026

Unchecked PyModule_AddObject for exceptions + Solver_dump NULL deref

Status: Open.

#227 In nucleic/kiwi;

· devdanzin opened on Mar 27, 2026

Exception-unsafe ACQUIRE_GLOBAL_LOCK/RELEASE_GLOBAL_LOCK in solver try/catch blocks

Status: Open.

#226 In nucleic/kiwi;

· devdanzin opened on Mar 27, 2026

convert_pystr_to_str crashes on lone surrogates (std::string(NULL) UB)

Status: Open.

#225 In nucleic/kiwi;

· devdanzin opened on Mar 27, 2026

Destructor called on unconstructed C++ object in Variable_new, Constraint_new, makecn

Status: Open.

#224 In nucleic/kiwi;

· devdanzin opened on Mar 27, 2026

All 6 heap type deallocs missing Py_DECREF(Py_TYPE(self))

Status: Open.

#223 In nucleic/kiwi;

· devdanzin opened on Mar 27, 2026

The update does not affect the change of version information.

Status: Open.

#220 In nucleic/kiwi;

· GGsrvg opened on Mar 16, 2026

How do we define an "objective function" and maximize or minimize it?

Status: Open.

#176 In nucleic/kiwi;

· trusktr opened on Jan 26, 2024

Is it possible to tell the Solver to prefer smaller or larger solutions?

Status: Open.

#164 In nucleic/kiwi;

· gsingh93 opened on May 31, 2023