Fix `delegate_missing_to` to allow keyword arguments

activesupport/lib/active_support/core_ext/module/delegation.rb

@@ -314,6 +314,7 @@ def method_missing(method, *args, &block)
           end
         end
       end
+      ruby2_keywords(:method_missing) if respond_to?(:ruby2_keywords, true)
     RUBY
   end
 end

activesupport/test/core_ext/module_test.rb

@@ -24,6 +24,10 @@ def self.table_name
   self::FAILED_DELEGATE_LINE_2 = __LINE__ + 1
   delegate :bar, to: :place, allow_nil: true
 
+  def kw_send(method:)
+    public_send(method)
+  end
+
   private
     def private_name
       "Private"
@@ -375,6 +379,10 @@ def test_delegate_missing_to_with_reserved_methods
     assert_equal "David", DecoratedReserved.new(@david).name
   end
 
+  def test_delegate_missing_to_with_keyword_methods
+    assert_equal "David", DecoratedReserved.new(@david).kw_send(method: "name")
+  end
+
   def test_delegate_missing_to_does_not_delegate_to_private_methods
     e = assert_raises(NoMethodError) do
       DecoratedReserved.new(@david).private_name