NVIDIA/cuopt v26.04.00 on GitHub

What's Changed

🚨 Breaking Changes

Update solution object to include the LP solver by @nguidotti in #822

🐛 Bug Fixes

Fix doc version update script to handle new url by @rgsl888prabhu in #810
Add nvjitlink to cuda-toolkit pip extras for cusparse compatibility by @bdice in #850
Fix issue with incorrect lower bound on air05 by @chris-maes in #890
Fix batch pdlp and python api support by @Kh4ster in #893
Fix timer checks by @akifcorduk in #849
fix how tests create service subprocess (causes errors with new cuda) by @tmckayus in #897
Fix thrust tuple includes + more timer checks by @aliceb-nv in #902
Fix race condition in add_external_solutions_to_population by @akifcorduk in #909
Update to PSLP version with bug fixes by @rg20 in #920
Fix variable bound violation in CPUFJ moves by @aliceb-nv in #930
Fix #903: Validate unique vehicle_ids in VRP fleet data by @anandhkb in #917
Fix incorrect errors with x + x*x, +x, -x in Python API by @chris-maes in #936
turn off cpu only tests to unblock CI during investigation by @tmckayus in #959
Fix lexicographic search by @rgsl888prabhu in #969
apply -UNDEBUG to coupt flags instead of global settings by @tmckayus in #964
papilo probing workaround, probing cache sync, extra error logging by @aliceb-nv in #992
Add exception handling for pdlp in concurrent mode by @Iroy30 in #966
Implement UnboundedOrInfeasible termination status by @rg20 in #941
Fix race in graph capture when set_simplex_solution() is called by @aliceb-nv in #1017
Fix issue with infinite lower bounds and try to bound free variables in barrier by @chris-maes in #1001

📖 Documentation

Add install selector UI by @rgsl888prabhu in #961
update doc for usage of incumbent utility function by @Iroy30 in #947
Disable running notebooks while building docs by @rgsl888prabhu in #980
Fixing broken links by @cwilkinson76 in #1028
Doc and release notes updates by @rgsl888prabhu in #1006

🚀 New Features

Add memory model support for host-resident problem data by @tmckayus in #819
Add support for FP32 and mixed precision in PDLP by @Kh4ster in #910
Remote execution implementation by @tmckayus in #939
Add cuopt_grpc_server as an option for the cuopt image by @tmckayus in #1003

🛠️ Improvements

fix(build): build package on merge to release/* branch by @gforsyth in #800
Main merge release/26.02 by @rgsl888prabhu in #801
Main merge release/26.02.update by @rgsl888prabhu in #812
move ruff configuration into pyproject.toml by @jameslamb in #806
refactor: drop support for Python 3.10 by @gforsyth in #809
tighten wheel size limits, expand CI-skipping logic, other small build changes by @jameslamb in #804
remove pip.conf migration code in CI scripts, fix pr-builder configuration by @jameslamb in #821
Use verify-hardcoded-version pre-commit hook by @KyleFromNVIDIA in #823
Refactoring agentic skill files based on roles and modules by @rgsl888prabhu in #818
Main merge release/26.02 4 by @rgsl888prabhu in #830
Rename and split up cpp/src directories by @chris-maes in #846
Consider objective function integrality when pruning + bug fixes by @aliceb-nv in #851
Simplex work estimates by @chris-maes in #856
Update raft headers by @aamijar in #865
Disable release/26.02 nightly and enable release/26.04 nightly by @rgsl888prabhu in #895
Add .github/release.yml for auto-generated release notes by @AyodeAwe in #898
Use sccache-dist build cluster for conda and wheel builds by @trxcllnt in #848
Type and execution path cleanup for memory model changes by @tmckayus in #908
Disable auto summary from code rabbit by @rgsl888prabhu in #913
Fix routing module bugs from issue #857 by @anandhkb in #914
Upgrade skills by @rgsl888prabhu in #918
Clique Table Generation by @akifcorduk in #627
update exceptions and guards by @Iroy30 in #912
Add clique cuts by @akifcorduk in #937
Fix MIR cut aggregation. Complement integer variables to find MIR cuts. Use Variable Lower/Upper Bounds in MIR cuts. by @chris-maes in #905
Add MIP gap to heuristic log during dual-simplex root relaxation by @anandhkb in #942
feat: add support for Python 3.14 by @gforsyth in #933
update routing tests by @Iroy30 in #940
Add a skill for evolving skills or adding new skills based on interaction by @rgsl888prabhu in #952
Disable barrier and cuts tests by @rgsl888prabhu in #968
Fix server test behavior to stop on first failure by @rgsl888prabhu in #925
build wheels with CUDA 13.0.x, test wheels against mix of CTK versions by @jameslamb in #973
add pulp, pyomo integration tests by @Iroy30 in #945
Dump presolved problem to file by @hlinsen in #459
Add GitHub issue template for numerical instability reports by @anandhkb in #982
Run FJ heuristics before and during presolve by @aliceb-nv in #899
Write quadratic terms to mps file by @rg20 in #949
Add Implied bound cuts. Find more knapsack cuts. Lift knapsack cuts by @chris-maes in #970
Disable incumbent test for neos test case by @rgsl888prabhu in #1023
Improve crossover dual simplex by @rg20 in #948
Improvements to reliability branching by @nguidotti in #979
Race batch PDLP and dual simplex in strong branching / reliability branching by @Kh4ster in #994
Expose GPU heuristics tuning parameters via config files by @aliceb-nv in #993
MIP Row and Objective Scaling by @akifcorduk in #906
Clean-up Logs by @akifcorduk in #1039
Cleanup early heuristics logs + unify cutoff/upper_bound in B&B by @aliceb-nv in #1033
Bump clang tools to 2.1.8 to fix local build issue by @rgsl888prabhu in #1052

New Contributors

@aamijar made their first contribution in #865
@trxcllnt made their first contribution in #848
@anandhkb made their first contribution in #914

Full Changelog: v26.04.00a...v26.04.00