Add Ruby 4.0 to CI #202
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Add Ruby 4.0 to CI #202
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Ruby 4.0.0 has been released, so this PR adds Ruby 4.0 to CI. https://www.ruby-lang.org/en/news/2025/12/25/ruby-4-0-0-released/ To prevent the CI label from showing "CI / Test Ruby 4" instead of "CI / Test Ruby 4.0", the matrix entries are changed from floats to strings.
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atesgoral
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Dec 25, 2025
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Motivation and Context
Ruby 4.0.0 has been released, so this PR adds Ruby 4.0 to CI.
https://www.ruby-lang.org/en/news/2025/12/25/ruby-4-0-0-released/
To prevent the CI label from showing "CI / Test Ruby 4" instead of "CI / Test Ruby 4.0", the matrix entries are changed from floats to strings.
Types of changes
Checklist