Enable design_management_todo_button by default

app/controllers/projects/issues_controller.rb

@@ -44,7 +44,7 @@ class Projects::IssuesController < Projects::ApplicationController
     push_frontend_feature_flag(:vue_issuable_sidebar, project.group)
     push_frontend_feature_flag(:tribute_autocomplete, @project)
     push_frontend_feature_flag(:vue_issuables_list, project)
-    push_frontend_feature_flag(:design_management_todo_button, project)
+    push_frontend_feature_flag(:design_management_todo_button, project, default_enabled: true)
   end
 
   before_action only: :show do

changelogs/unreleased/design-todo-enable-by-default.yml

+---
+title: Create and resolve To-Dos for designs
+merge_request: 42059
+author:
+type: added

config/feature_flags/development/design_management_todo_button.yml

@@ -4,4 +4,4 @@ introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/39935
 rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/245074
 group: group::knowledge
 type: development
-default_enabled: false
\ No newline at end of file
+default_enabled: true

doc/user/project/issues/design_management.md

@@ -234,22 +234,22 @@ available in the **Resolved Comment** area at the bottom of the right sidebar.
 ## Add To-Do for Designs
 
 > - [Introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/198439) in GitLab 13.4.
-> - It's [deployed behind a feature flag](../../feature_flags.md), disabled by default.
-> - It's disabled on GitLab.com.
-> - It's not recommended for production use.
-> - To use it in GitLab self-managed instances, ask a GitLab administrator to [enable it](#enable-or-disable-the-design-to-do-button). **(CORE ONLY)**
+> - It's [deployed behind a feature flag](../../feature_flags.md), enabled by default.
+> - It's enabled on GitLab.com.
+> - It's recommended for production use.
+> - For GitLab self-managed instances, GitLab administrators can opt to [disable it](#enable-or-disable-the-design-to-do-button). **(CORE ONLY)**
 
 CAUTION: **Warning:**
 This feature might not be available to you. Check the **version history** note above for details.
 
-Add a To-Do for a design by clicking **Add a To-Do** on the design sidebar:
+Add a to-do for a design by clicking **Add a To-Do** on the design sidebar:
 
 ![To-Do button](img/design_todo_button_v13_4.png)
 
 ### Enable or disable the design To-Do button **(CORE ONLY)**
 
-The design To-Do button is under development and not ready for production use. It is
-deployed behind a feature flag that is **disabled by default**.
+The **Add a To-Do** button for Designs is under development but ready for production use. It is
+deployed behind a feature flag that is **enabled by default**.
 [GitLab administrators with access to the GitLab Rails console](../../../administration/feature_flags.md)
 can enable it.