v1.3.0

HiGHS v1.3.0

Diff since v1.2.0

Closed issues:

• Support MOI.VariablePrimalStart (#126)
• Turning off presolve (#135)
• Update to HiGHS v1.4.0 (#136)

Merged pull requests:

• Add support for VariablePrimalStart (#128) (@odow)
• Update to HiGHS_jll@1.4.0 (#137) (@odow)

v1.2.0

HiGHS v1.2.0

Diff since v1.1.4

Closed issues:

• Why QP failures are allowed? (#99)
• Tests segfault on M1 (#116)
• Error reported on TimeLimit settings parameter (#122)
• Time limit not working (#125)
• Quadratic programming (#127)
• Simple model run issues (#129)
• Julia version dependency for HiGHS.jl is quite restrictive (#131)
• Problems on set_optimizer_attribute on "log_to_console" in linux (#132)

Merged pull requests:

• [README] add custom solver binary section (#123) (@odow)
• Fix flakey test (#124) (@odow)
• Update to HiGHS v1.3.0 (#133) (@odow)
• Fix adding variable and constraint names in copy_to (#134) (@odow)

v1.1.4

HiGHS v1.1.4

Diff since v1.1.3

Closed issues:

• performance issue (#115)
• MethodError: no method matching _set_option(::HiGHS.Optimizer, ::String, ::Nothing) (#118)

Merged pull requests:

• Add license headers (#114) (@odow)
• Add better error message for bad options (#119) (@odow)
• Fixed the README settings parameter datatype with more clarity, which can otherwise be misleading especially to beginners. (#120) (@sambuddhac)
• Prep for v1.1.4 (#121) (@odow)

v1.1.3

HiGHS v1.1.3

Diff since v1.1.2

Closed issues:

• Fix ObjectiveBound (#88)
• Support MOI.NodeCount (#89)
• Support MOI.RelativeGap (#103)

Merged pull requests:

• Add support for HiGHS 1.2.2 (#109) (@odow)
• Add support for NodeCount attribute (#110) (@odow)
• Add support for RelativeGap attribute (#111) (@odow)
• Stop testing on 32-bit (#112) (@odow)

v1.1.2

HiGHS v1.1.2

Diff since v1.1.1

Closed issues:

• Cannot load HiGHS through JuMP (#96)
• HiGHS reports infeasible for a feasible model (#104)
• _OPTIMIZE_WARNED status? (#105)
• Missing == in MOI_wrapper assertions (#106)

Merged pull requests:

• Fix missing == in asserts (#107) (@odow)
• Fix termination status when Highs_run warns (#108) (@odow)

v1.1.1

HiGHS v1.1.1

Diff since v1.1.0

Closed issues:

• Handle INFEASIBLE_POINT statuses (#97)
• constrained variables in MOI.SOS1{Float64} are not supported (#100)
• Improve RawStatusString (#101)

Merged pull requests:

• Fix INFEASIBLE_POINT statuses (#98) (@odow)
• Fix output of RawStatusString (#102) (@odow)

v1.1.0

HiGHS v1.1.0

Diff since v1.0.0

Closed issues:

• SimplexIterations uses deprecated method (#86)
• Option "mip_rel_gap" is unknown (#90)

Merged pull requests:

• Fix SimplexIterations getter and add BarrierIterations (#87) (@odow)
• Update to HiGHS v1.2.1 (#92) (@odow)
• Deprecate enums (#93) (@odow)

v1.0.0

HiGHS v1.0.0

Diff since v0.3.2

Merged pull requests:

• Update to MOI v1.0 (#85) (@odow)

v0.3.2

HiGHS v0.3.2

Diff since v0.3.1

Closed issues:

• Add support for MOI.NumberOfThreads (#28)
• Add QP interface (#54)
• Crash when loading problem from JuMP (#70)
• Error when nonzero coefficient close to zero (#73)
• Updating to latest HiGHS master (#75)
• Add constraint is very slow (#78)
• HiGHS File Handle Leak (#79)
• Update to HiGHS v1.2.0 (#80)

Merged pull requests:

• Add QP solver (#56) (@odow)
• Update to HiGHS v1.2.0 (#81) (@odow)
• Remove warning from the README (#82) (@odow)
• Update options in README (#83) (@odow)
• Add support for NumberOfThreads (#84) (@odow)

v0.3.1

HiGHS v0.3.1

Diff since v0.3.0

Merged pull requests:

• Update options list (#74) (@jd-lara)
• Bump to HiGHS v1.1.1 (#76) (@odow)