How to stop the "Backward Compatibility Cult" before it kills Ruby.
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It's irresponsible to support Ruby < 2.2. A Ruby version is not "supported" if it's only getting security fixes. Because "support" means fixing bugs. And any Ruby version < 2.2 is rife with "never-to-be-fixed" bugs that can occur at any time. A minor OS upgrade, a minor gem upgrade ... and suddenly a new (or old) bug is triggered and Ruby crashes every time. At this point, the user may be forced to upgrade (at the most inconvenient time possible). The only other option is for everyone to implement some obscure workaround to side-step the bug in their outdated Ruby version. Ridiculous effort and costs just to keep a likely vulnerable (and definitely broken - even if it "works") version of Ruby around.
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Ruby 2.2.4 fixes an important vulnerability. There is a patch-level version of Ruby 2.0 (patch-level in code terms, not SemVer) and a minor of Ruby 2.1.9 to solve t