1.) What has been changed? Comment box has been removed on each lesson pages. Users will be only able to submit comments and feedback using the new feedback buttons we recently implemented.
We also changed the comment section heading instructing user to use the new feedback tab.
Trello Card: https://trello.com/c/kUv0qh4Y/20-on-lesson-pages-restrict-the-ability-to-add-comments-and-add-a-message-to-use-the-feedback-tab
2.) What has been changed? Study group videos for 'Admin' and 'App Builder' has been moved to a separate lesson page.