Moodle LMS 4.5.7
8 October 2025
Moodle LMS version 4.5.7 is now available (security release).
Upgrading to Moodle LMS 4.5.7
Moodle LMS 4.5.7 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 4.5.7 upgrade prior to applying it live. Get started managing your Moodle LMS installations with Installatron
What's New in Moodle LMS 4.5.7
General fixes and improvements
- MDL-58001 - Error uploading feedback file in assignment grader when grade type is set to "none"
- MDL-85546 - MFA should not be triggered when using "Log in as"
- MDL-84491 - Redis: session_set_save_handler should not be initialised every time
- MDL-85018 - Duplicate quiz containing a multianswer question gives dml_missing_record_exception
- MDL-83256 - When a teacher exports participants list, it doesn't include custom profile fields
- MDL-80447 - Use more restricted scope for Google OAuth app verification to comply with Google's access restriction requirements
- MDL-85166 - Question category move does not update questionscontextid in question_set_references, breaking backup/restore
- MDL-86495 - Improve error handling for geoPlugin API now the service is no longer available for free use
- MDL-73671 - Course Reset does not update the Forum "Due date" or "Cut-off date"
- MDL-83991 - Tag related SQL queries are running very slow due to large amount of data in tag_instance table
- MDL-85684 - Assignment notifications contain poorly formatted assignment/course names
- MDL-86330 - Courses appear in course overview block with a delay
- MDL-85229 - URL description still displaying when "Display URL description" is unchecked
- MDL-84815 - Checkboxes missing in add users to a group search options
- MDL-71786 - Course Reset does not update "Remind me to grade by" date on assignments
- MDL-86667 - Usability issues in the site registration form
- MDL-86294 - Document missing dboptions in config-dist.php
- MDL-85266 - Cannot remove bulk uploaded users from selected bulk user actions
- MDL-84739 - Rubric creation icons are over sized and affect the layout
- MDL-80611 - Help links get accidentally translated and become broken
- MDL-72956 - Multiple concurrent feedback submissions cause an error
- MDL-86174 - Canvas Credentials updates impact Moodle backpack "Include authentication details" setting (implement paid plan alert)
Accessibility improvements
- MDL-81455 - Welcome message on login should not replace contents of page header
- MDL-72511 - Calendar arrows need aria-hidden="true"
- MDL-86599 - The Submission status/Feedback tables do not have a caption in Assignment
- MDL-86512 - Better convey the purpose of select checkboxes within the assignment submissions table
- MDL-86511 - TinyMCE fails to insert a hyperlink from the insert a link modal when keyboard used to enter the link
- MDL-86501 - ARIA label on icon element instead of anchor in date_time_selector
- MDL-86499 - Table sort icons should be decorative
- MDL-86498 - Empty links on the badge overview page
- MDL-86490 - The icon in the \core\output\core_renderer::action_icon() should be decorative
- MDL-86489 - The required icon on feedback questions should be marked as decorative
- MDL-86488 - Accessibility issues on the \core\output\action_menu component when rendered as a kebab menu button
- MDL-86479 - Accessibility issues on the course index options menu button
- MDL-86202 - Inconsistent heading hierarchy (H1, H3, H2) in Lesson
Security improvements
- MDL-84504 - Enabling maintenance mode via CLI is not recorded in the config log
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.