See github.com/JuliaOpt/JuMP.jl/releases/tag/v0.20.1 for release notes

See github.com/JuliaOpt/JuMP.jl/releases/tag/v0.20.0 for release notes

See github.com/JuliaOpt/JuMP.jl/releases/tag/v0.19.2 for release notes

See github.com/JuliaOpt/JuMP.jl/releases/tag/v0.18.6 for release notes

Merge pull request jump-dev#1867 from JuliaOpt/bl/prep019

[ci skip] prep for 0.19.0

Prep for 0.19-beta2 (jump-dev#1753)

Needed because 0.19-beta is incompatible with MOI 0.8.1.

prep for 0.19-beta (jump-dev#1695)

prep for 0.18.5 (jump-dev#1652)

prerelease notes for 0.19-alpha (jump-dev#1523)

* prerelease notes for 0.19-alpha

* minor fixes

* updates