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Moodle 4.5.11

Unreleased Moodle Version
This version of Moodle has not yet been released.

Release date: 20 April 2026

Here is the full list of fixed issues in 4.5.11.

General fixes and improvements​

  • MDL-85352 - Add support for b64_json to the generate_image action in OpenAI provider
  • MDL-88092 - Update H5P library to version 1.28
  • MDL-87482 - Libxml2 >= 2.14.0 breaks messaging
  • MDL-87959 - Moodle LMS to Marketplace integration
  • MDL-87708 - Remove MoodleNet services
  • MDL-87548 - Uploading image from Wikimedia fails on certain images
  • MDL-87100 - Infer upgrade note issue number based on current Git branch

Accessibility fixes and improvements​

  • MDL-77649 - Glossary uses layout tables to render categories and entries
  • MDL-87955 - Accessibility issues on the forum Manage subscribers page
  • MDL-87949 - Insufficient colour contrast when adding Rubric criterion
  • MDL-87993 - Create a screen reader-only toast feature
  • MDL-87810 - Insufficient colour contrast for links in quiz questions and feedback text
  • MDL-81608 - Elements on the Quiz question edit page don't meet WCAG target area requirements
  • MDL-88122 - Empty breadcrumb accessibility issue in course navbar
  • MDL-87600 - Skipped heading levels accessibility issue on user Grades and Preferences pages
  • MDL-85902 - "Next activity" links not structured as navigation areas (9.2 RGAA criteria)
  • MDL-85451 - Incorrect heading levels in Timeline block
  • MDL-77209 - Links within form help popovers should open in a new tab

Security improvements​

  • MDL-83096 - LTI 1.3 new window not triggering completion event
  • MDL-86165 - BigBlueButton recording actions (publish, unpublish, protect, delete, edit, import) are not logged, breaking expected auditability
  • MDL-88145 - cURL security helper method call order check contains a typo

Security fixes​

A number of security related issues were resolved. Details of these issues will be released after a period of approximately one week to allow system administrators to safely update to the latest version.