diff --git a/activemodel/lib/active_model/type/registry.rb b/activemodel/lib/active_model/type/registry.rb
index 7d1ac79b42..179438a784 100644
--- a/activemodel/lib/active_model/type/registry.rb
+++ b/activemodel/lib/active_model/type/registry.rb
@@ -10,6 +10,7 @@ module ActiveModel
 
       def register(type_name, klass = nil, **options, &block)
         block ||= proc { |_, *args| klass.new(*args) }
+        block.ruby2_keywords if block.respond_to?(:ruby2_keywords)
         registrations << registration_klass.new(type_name, block, **options)
       end
 
diff --git a/activerecord/lib/active_record/migration.rb b/activerecord/lib/active_record/migration.rb
index 5e429c14ff..54525b6a08 100644
--- a/activerecord/lib/active_record/migration.rb
+++ b/activerecord/lib/active_record/migration.rb
@@ -903,7 +903,12 @@ module ActiveRecord
           end
         end
         return super unless connection.respond_to?(method)
-        connection.send(method, *arguments, &block)
+        options = arguments.extract_options!
+        if options.empty?
+          connection.send(method, *arguments, &block)
+        else
+          connection.send(method, *arguments, **options, &block)
+        end
       end
     end
 
diff --git a/activerecord/lib/active_record/relation/delegation.rb b/activerecord/lib/active_record/relation/delegation.rb
index 8c6e3df7d6..5d5138ad26 100644
--- a/activerecord/lib/active_record/relation/delegation.rb
+++ b/activerecord/lib/active_record/relation/delegation.rb
@@ -60,15 +60,17 @@ module ActiveRecord
           return if method_defined?(method)
 
           if /\A[a-zA-Z_]\w*[!?]?\z/.match?(method)
+            definition = RUBY_VERSION >= "2.7" ? "..." : "*args, &block"
             module_eval <<-RUBY, __FILE__, __LINE__ + 1
-              def #{method}(*args, &block)
-                scoping { klass.#{method}(*args, &block) }
+              def #{method}(#{definition})
+                scoping { klass.#{method}(#{definition}) }
               end
             RUBY
           else
             define_method(method) do |*args, &block|
               scoping { klass.public_send(method, *args, &block) }
             end
+            ruby2_keywords(method) if respond_to?(:ruby2_keywords, true)
           end
         end
       end
@@ -107,6 +109,7 @@ module ActiveRecord
             super
           end
         end
+        ruby2_keywords :method_missing if respond_to?(:ruby2_keywords, true)
     end
 
     module ClassMethods # :nodoc:
diff --git a/activerecord/test/cases/batches_test.rb b/activerecord/test/cases/batches_test.rb
index 2287745e41..f36730333b 100644
--- a/activerecord/test/cases/batches_test.rb
+++ b/activerecord/test/cases/batches_test.rb
@@ -226,12 +226,6 @@ class EachTest < ActiveRecord::TestCase
     assert_equal default_scope.pluck(:id).sort, posts.map(&:id).sort
   end
 
-  def test_find_in_batches_should_not_modify_passed_options
-    assert_nothing_raised do
-      Post.find_in_batches({ batch_size: 42, start: 1 }.freeze) { }
-    end
-  end
-
   def test_find_in_batches_should_use_any_column_as_primary_key
     nick_order_subscribers = Subscriber.order("nick asc")
     start_nick = nick_order_subscribers.second.nick
@@ -444,12 +438,6 @@ class EachTest < ActiveRecord::TestCase
     assert_equal default_scope.pluck(:id).sort, posts.map(&:id).sort
   end
 
-  def test_in_batches_should_not_modify_passed_options
-    assert_nothing_raised do
-      Post.in_batches({ of: 42, start: 1 }.freeze) { }
-    end
-  end
-
   def test_in_batches_should_use_any_column_as_primary_key
     nick_order_subscribers = Subscriber.order("nick asc")
     start_nick = nick_order_subscribers.second.nick