https://git.ruby-lang.org/ruby.git/commit/?id=73a626c078

From 73a626c0789161911aa5753859c4a81ed2dfd999 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@r...>
Date: Sat, 19 Sep 2020 17:26:52 +0900
Subject: [ruby/io-wait] update required_ruby_version

As d387029f39d976565c955377117103499d47ff09 made io/wait
unbuildable with older versions, drop older versions tentatively.
Also the change seems to instroduce behavioral incompatibilities,
may address them or bump up the version later.

diff --git a/ext/io/wait/io-wait.gemspec b/ext/io/wait/io-wait.gemspec
index ca227b6..af03215 100644
--- a/ext/io/wait/io-wait.gemspec
+++ b/ext/io/wait/io-wait.gemspec
@@ -8,7 +8,7 @@ Gem::Specification.new do |spec| https://github.com/ruby/ruby/blob/trunk/ext/io/wait/io-wait.gemspec#L8
   spec.description   = %q{Waits until IO is readable or writable without blocking.}
   spec.homepage      = "https://github.com/ruby/io-wait"
   spec.licenses      = ["Ruby", "BSD-2-Clause"]
-  spec.required_ruby_version = Gem::Requirement.new(">= 2.3.0")
+  spec.required_ruby_version = Gem::Requirement.new(">= 3.0.0")
 
   spec.metadata["homepage_uri"] = spec.homepage
   spec.metadata["source_code_uri"] = spec.homepage
-- 
cgit v0.10.2


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