LearnDash LMS 4.13.0

New Features
Added video progression feature for Lessons and Topics
Added HTML class to certificate link element on profile/user course info output
Added option to Support Tab to purge all LearnDash data
Updates
Updated activity meta query to return all elements
Updated Polish translation files
Updated Group users logic to allow the inclusion of a Group Leader
Updated LD template URL to remove front-end http: and/or https:
Bugfixes
Fixed quiz logic for retaining user responses while checking answers
Fixed logic to not enroll a user when completing a sample lesson
Fixed quiz profile statistics showing answer feedback when option is deactivated

Wrong link

New Features

• Added Featured Image option for Quiz custom post type
  

Updates

• Updated Polish translation files
  
  
• Updated Spanish translation files
  
  
• Updated template path logic to work better with symbolic linked directories
  
  
• Updated Quiz logic to enhance security
  
  
• Updated PayPal IPN processing to work with tax/vat
  

Bugfixes

• Fixed allow any course price display in front-end for Buy Now / Recurring courses
  
  
• Fixed Quiz Matrix and Sorting javascript issues related to question not scrolling
  
  
• Fixed Quiz Taxonomies that were missing in v2.4
  
  
• Fixed PayPal setting return URL when not using permalinks
  
  
• Fixed reporting PHP warnings