v9.6 (2023/03)

Platforms

• Add Fedora 37 support.
• Add Fedora 38 support.
• Drop Python 3.6 (not supported by protobuf).
• Drop Python 3.7 on MacOS (not supported by scipy).
• Add net7.0 support
• Drop netcore3.1 in nuget .org packages

Dependencies

• SCIP v801 -> v803 (note: now SCIP use an OSI compatible license)
• abseil 20220623.1 -> 20230105.0
• Protobuf v21.5 -> v21.12
• SWIG 4.1.1
• Java JNA 5.11.0 -> 5.12.1

PDLP

• Add python wrapper.

CP-SAT

• Performance improvements.

GLOP

• Tweak presolve.

ModelBuilder

• Python: Improve numpy support.

Bazel

• Add pybind11 support.
• Add java wrapper support.

Routing

• Few improvements (local search)

Known Issues:

• CP-SAT: Ignoring pseudo_costs subsolver returns Invalid parameters. (#3706)
• Maven ortools-java package only depends on ortools-linux-x86-64 and thus will only work on linux...