Enable reviewer_approval_rules feature by default

app/controllers/projects/merge_requests/creations_controller.rb

@@ -14,7 +14,7 @@ class Projects::MergeRequests::CreationsController < Projects::MergeRequests::Ap
   before_action do
     push_frontend_feature_flag(:merge_request_reviewers, @project, default_enabled: true)
     push_frontend_feature_flag(:mr_collapsed_approval_rules, @project)
-    push_frontend_feature_flag(:reviewer_approval_rules, @project)
+    push_frontend_feature_flag(:reviewer_approval_rules, @project, default_enabled: :yaml)
   end
 
   def new

app/controllers/projects/merge_requests_controller.rb

@@ -53,7 +53,7 @@ class Projects::MergeRequestsController < Projects::MergeRequests::ApplicationCo
     push_frontend_feature_flag(:vue_issuable_sidebar, @project.group)
     push_frontend_feature_flag(:merge_request_reviewers, @project, default_enabled: true)
     push_frontend_feature_flag(:mr_collapsed_approval_rules, @project)
-    push_frontend_feature_flag(:reviewer_approval_rules, @project)
+    push_frontend_feature_flag(:reviewer_approval_rules, @project, default_enabled: :yaml)
   end
 
   around_action :allow_gitaly_ref_name_caching, only: [:index, :show, :discussions]

changelogs/unreleased/default-enabled-reviewer-approval-rules.yml

+---
+title: Enable reviewer_approval_rules by default
+merge_request: 51183
+author:
+type: changed

config/feature_flags/development/reviewer_approval_rules.yml

@@ -5,4 +5,4 @@ rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/293742
 milestone: '13.7'
 type: development
 group: group::code review
-default_enabled: false
+default_enabled: true