Attention, ladies, and gentlemen! The support of Ruby 2.2 has ended! After one year has passed since the release of Ruby 2.2.7 the phase of security maintenance phase for Ruby 2.2 has ended. If you’re still on Ruby 2.2, it’s time to upgrade, preferably to 2.5 but at least to 2.4 as Ruby 2.3’s support will end too in March 2019.
The official statement says that bug and security fixes from more recent Ruby versions will no longer be backported to 2.2, and no further patch release of 2.2 will be released. That is why you recommended upgrading to Ruby 2.5 or 2.4 as soon as possible.
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