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ci: Drop Ruby 3.1 that fails to install on Ubuntu 26.04 - #19
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ubuntu-latest is moving to Ubuntu 26.04. ruby/setup-ruby has no builds of Ruby 3.1 and older for it, so the Ruby 3.1 job fails with "Unavailable version". Test Ruby 3.2 or later instead. The matrix is shared, so this also drops Ruby 3.1 on macOS and Windows. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Signed-off-by: Shizuo Fujita <fujita@clear-code.com>
kenhys
approved these changes
Oct 29, 2026
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ubuntu-latestis moving to Ubuntu 26.04, and ruby/setup-ruby has no builds of Ruby 3.1 and older for it. The Ruby 3.1 job on Ubuntu would fail withUnavailable version, so this raisesmin_versionto 3.2. Since the workflow shares one matrix across all platforms, this also stops testing Ruby 3.1 on macOS and Windows.🤖 Generated with Claude Code