Any plans to drop Ruby 2.2 support from Rack?

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Alastair Pharo

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Mar 19, 2018, 10:35:43 AM3/19/18

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Hi there,

I am one of the maintainers of Moneta. Until a couple of days ago we were still testing against a rather ancient set of MRI Ruby versions, but we have just decided we need to modernise, and as part of that the question of what sort of policy we should have concerning the minimum supported Ruby version (i.e. required_ruby_version in the gemspec) has arisen.

Because Moneta is designed for use with web projects that mostly depend on Rack, we thought we would follow Rack’s lead on this, so that anyone who is able to use Rack can also use Moneta. This has of course lead us to wondering what the Rack team’s policy on this is. Do you think it makes sense to phase out MRI rubies once they have EOLed, or do you think there is virtue in maintaining support for older versions beyond that? As Ruby 2.2 will be EOLed at the end of this week, we are keen to know if you think there is merit in maintaining 2.2 support beyond that time.

Also, my own understanding of how gem semver should fit with minimum Ruby versions is not that clear. I see that Rack introduced the >= 2.2.0 requirement with v2 of the gem, so do you think that changing the minimum Ruby from say, 2.2 to 2.3 should only be done as part of a major version change of the gem?

I’m very keen to hear your thoughts on any or all of the above. Thanks in advance!