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Remove usage of getindex(::OrderedSet, ::Int) - #234

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odow:od/fix-ordered-collections
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Remove usage of getindex(::OrderedSet, ::Int)#234
odow wants to merge 1 commit into
oxfordcontrol:mainfrom
odow:od/fix-ordered-collections

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@odow

@odow odow commented Aug 18, 2026

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Clarabel depends on DataStructures.jl, which depends on OrderedCollections.jl.

OrderedCollections@2 introduced a breaking change that removed this method: JuliaCollections/DataStructures.jl#180 (comment)

It wasn't found in tests of Clarabel because JuMP and MathOptInterface had dependencies on OrderedCollections@1. They're relaxing that compat to add support for OrderedCollections@2, exposing this bug.

Clarabel depends on DataStructures.jl, which depends on OrderedCollections.jl
OrderedCollections@2 introduced a breaking change that removed this method.

It wasn't found in tests of Clarabel because JuMP and MathOptInterface had
dependencies on OrderedCollections@1. They're relaxing that compat to add
support for OrderedCollections@2, exposing this bug.
@odow

odow commented Aug 19, 2026

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Closing in favor of #230

@odow odow closed this Aug 19, 2026
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