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CP-SAT: sufficient_assumptions_for_infeasibility() returns a literal that is not in the assumption list (presolve only)

Status: Open.

#5141 In google/or-tools;

· proshkin-aitkn opened on Apr 20, 2026

Broken usage of pybind11 "keep_alive" annotation

Status: Open.

#5140 In google/or-tools;

· StefanBruens opened on Apr 17, 2026

Missing return in model_storage_v2.h for non-void methods

Status: Open.

#5136 In google/or-tools;

· StefanBruens opened on Apr 15, 2026

Segfault with use_combined_no_overlap due to uninitialized FixedCapacityVector in CombinedDisjunctive

Solver: CP-SAT SolverRelates to the CP-SAT solverRelates to the CP-SAT solver

Status: Open.

#5135 In google/or-tools;

· fgregg opened on Apr 11, 2026

use_relocate_neighbors is bypassed in GetNeighborhoodOperators

Bug

Solver: RoutingUses the Routing library and the original CP solverUses the Routing library and the original CP solver

Status: Open.

#5132 In google/or-tools;

· N40 opened on Apr 9, 2026

·  

v10.0 Beta

ci: macos bazel python routing test failed (deadlock)

Bug

Build: BazelBazel based build issueBazel based build issue

CI FailureCI Failure should be fixed ASAPCI Failure should be fixed ASAP

Lang: PythonPython wrapper issuePython wrapper issue

OS: MacMacOSMacOS

Solver: RoutingUses the Routing library and the original CP solverUses the Routing library and the original CP solver

Status: Open.

#5119 In google/or-tools;

· Mizux opened on Apr 2, 2026

·  

v10.0 Beta

cmake/cpp.cmake exports -fwrapv and warning suppression flags as PUBLIC

Bug

Build: CMakeCMake based build issueCMake based build issue

Feature RequestMissing Feature/WrapperMissing Feature/Wrapper

OS: LinuxGNU/Linux OSGNU/Linux OS

Status: Open.

#5095 In google/or-tools;

· ozan-cb opened on Mar 18, 2026

·  

v10.0 Beta

Xpress: empty bound check not working

Bug

Solver: MathOptMathOpt related issueMathOpt related issue

Solver: XpressFICO Xpress Solver related issueFICO Xpress Solver related issue

Status: Open.

#5085 In google/or-tools;

· Mizux opened on Mar 6, 2026

·  

v10.0

Xpress: sos constraint do not support linear expression

Bug

Solver: MathOptMathOpt related issueMathOpt related issue

Solver: XpressFICO Xpress Solver related issueFICO Xpress Solver related issue

Status: Open.

#5084 In google/or-tools;

· Mizux opened on Mar 6, 2026

·  

v10.0

MathOpt Gurobi backend crashes with std::bad_function_call (GRBloadenv not initialized)

Bug

Solver: GurobiGUROBI Solver related issueGUROBI Solver related issue

Status: Open.

#5079 In google/or-tools;

· junqueira200 opened on Mar 5, 2026

·  

v10.0 Beta

Mac Code Signing

Feature RequestMissing Feature/WrapperMissing Feature/Wrapper

OS: MacMacOSMacOS

Status: Open.

#5077 In google/or-tools;

· dguittet opened on Mar 5, 2026

·  

Backlog

[Bug] RoutingModel segfaults when running multiple solver instances in same process on Linux

Bug

Solver: RoutingUses the Routing library and the original CP solverUses the Routing library and the original CP solver

Status: Open.

#5076 In google/or-tools;

· ilovetai1 opened on Mar 4, 2026

·  

Backlog