Rails 6 requires Ruby 2.4.1+

Skipping over 2.4.0 to sidestep the `"symbol_from_string".to_sym.dup` bug.

References #32028

3 files changed, 8 insertions, 5 deletions

diff --git a/actionview/CHANGELOG.md b/actionview/CHANGELOG.md
index ea7f8b205e..be0afe4198 100644
--- a/actionview/CHANGELOG.md
+++ b/actionview/CHANGELOG.md
@@ -1,3 +1,8 @@
+## Rails 6.0.0.alpha (Unreleased) ##
+
+*   Rails 6 requires Ruby 2.4.1 or newer.
+
+    *Jeremy Daer*
 
 
 Please check [5-2-stable](https://github.com/rails/rails/blob/5-2-stable/actionview/CHANGELOG.md) for previous changes.
diff --git a/actionview/actionview.gemspec b/actionview/actionview.gemspec
index f977f10216..49ee1a292b 100644
--- a/actionview/actionview.gemspec
+++ b/actionview/actionview.gemspec
@@ -9,7 +9,7 @@ Gem::Specification.new do |s|
   s.summary     = "Rendering framework putting the V in MVC (part of Rails)."
   s.description = "Simple, battle-tested conventions and helpers for building web pages."
 
-  s.required_ruby_version = ">= 2.3.0"
+  s.required_ruby_version = ">= 2.4.1"
 
   s.license = "MIT"
 
diff --git a/actionview/test/template/date_helper_test.rb b/actionview/test/template/date_helper_test.rb
index 79e52ccc47..94357d5f90 100644
--- a/actionview/test/template/date_helper_test.rb
+++ b/actionview/test/template/date_helper_test.rb
@@ -144,15 +144,13 @@ class DateHelperTest < ActionView::TestCase
     rubinius_skip "Date is written in Ruby and relies on Fixnum#/"
     jruby_skip "Date is written in Ruby and relies on Fixnum#/"
 
-    klass = RUBY_VERSION > "2.4" ? Integer : Fixnum
-
     # Make sure that we avoid {Integer,Fixnum}#/ (redefined by mathn)
-    klass.send :private, :/
+    Integer.send :private, :/
 
     from = Time.utc(2004, 6, 6, 21, 45, 0)
     assert_distance_of_time_in_words(from)
   ensure
-    klass.send :public, :/
+    Integer.send :public, :/
   end
 
   def test_time_ago_in_words_passes_include_seconds