Moodle LMS 4.5.3
17 March 2025
Moodle LMS version 4.5.3 is now available (security release).
Upgrading to Moodle LMS 4.5.3
Moodle LMS 4.5.3 can be upgraded to (or installed) using any of Installatron's products. Use Installatron's optional Automatic Update feature to automatically apply Moodle LMS updates as new versions are released, or use Installatron's Clone feature to duplicate an existing Moodle LMS install to test the 4.5.3 upgrade prior to applying it live. Get started managing your Moodle LMS installations with Installatron
What's New in Moodle LMS 4.5.3
Security
- 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.
General Fixes and Improvements
- error_question_answers_missing_in_db when duplicate or restore quiz
- Assignment & quiz notifications sent to all course participants regardless of activity restrictions
- Embed pdf not working on Safari iOS
- Table mdl_sessions does not get cleaned
- Ghostscript 10.03.1 and above breaks assignment feedback preview
- New router seems to clash with $CFG->wwwroot "no slash" requirement
- Chart axis options ignored
- Duplicate activity also duplicates badges
- Unexpected behaviour of course reset when using a course start time (timeshift)
- ChartJs - User locale settings ignored for numeric series data
- Large Icon within Moodle Competency Frameworks
- When manually grading questions, validation errors styling makes them hard to see, leading to confusion
- Activity description text displayed differently on course page and activity pages
- Creating a badge removes all draftfiles for a user
- webm and ogv cannot be played fully in the app because the range headers are blocked by CORS
- Broken image links in tag description from external service
- AI: Use component name in registration and logging
- Guest users should not see the message "You are in preview mode."
- Remove course icon from course/index.php page
- AI image generation produces High quality when Standard is chosen
- AI: Extend AI model support in placement webservice
- mdl_qtype_ordering_options.questionid not found in aggregate or GROUP BY - error when upgrading to 4.5.2 with Microsoft SQL server
- get_user_badges WS return does not match exporter types