Skip to main content

Moodle 5.1.1

Unreleased Moodle Version
This version of Moodle has not yet been released.
The code freeze date for this release is 25 August 2025.

Release date: 8 December 2025

Here is the full list of fixed issues in 5.1.1.

General fixes and improvements​

  • MDL-86810 - Cannot disable "Receive a grade" completion condition after enabling it
  • MDL-81604 - Broken file serving under PHP 8.1+, Apache and PHP-FPM via mod_proxy_fcgi, when the filename is not only plain ASCII or w/ blank spaces
  • MDL-81514 - Assign submissions cannot be filtered by hidden groups
  • MDL-78495 - Badges (at course level) duplicated for every item restored from recycle bin
  • MDL-84898 - Prohibit checks may be slow on large sites
  • MDL-85235 - admin/tool/mobile/mobile.webmanifest.php sets cookies and has poor caching headers
  • MDL-87031 - Clear button not working properly in Grades > User report and Single view when using participant search
  • MDL-86523 - Receiving invalidcategoryid error after importing random questions
  • MDL-81804 - Moodle fail to connect to pgbouncer > 1.20 and pgbouncer < 1.23
  • MDL-86300 - Copying (or restoring) a course with a question bank: The parent of the newly created default question category is still the top category of the original course
  • MDL-85975 - Excluded fields not removed if they are null during plugin restore
  • MDL-82511 - cache_cron_task causes a failover on redis/sentinel clusters
  • MDL-81263 - Grunt should Respect local .stylelintignore, .eslintignore
  • MDL-80422 - Honour user specific start page authenticating by OAuth2
  • MDL-75764 - Bulk downloading assignment submission requires a student to have mod/assign:submit capability
  • MDL-86817 - Ad-hoc task mod_qbank\task\transfer_question_categories fails with "Duplicate entry" error after upgrade to Moodle 5.0.2+
  • MDL-87072 - Remove $CFG->wwwrootendsinpublic setting
  • MDL-86063 - Course copy fails when a non-required custom field of type "number" has no value (empty input)
  • MDL-85874 - Grade category toggle broken in Gradebook Setup, if Category Aggregation row is missing
  • MDL-87194 - AirNotifier access key requests always fail for new sites
  • MDL-86332 - Saving completion criteria removes COMPLETION_CRITERIA_TYPE_COURSE
  • MDL-86003 - TinyMCE "Browse repositories" fails for multimedia (video/audio) when adding/editing a mod_data entry
  • MDL-87198 - Activities overview page: Hidden section names are visible for stealth activities
  • MDL-87166 - "Custom link" communication provider prevents user deletion
  • MDL-87017 - Question bank context exception when home page block on all pages
  • MDL-87004 - Backups only contain random question candidates from one category
  • MDL-86953 - Mobile view - Long title in a block breaks the block editing (three dots) menu
  • MDL-86912 - The "Submission status" column should be displayed to admins in the Activities overview when they are enrolled as students
  • MDL-86879 - Course subsections has bad performance compared to normal sections
  • MDL-86848 - /index.php should not redirect
  • MDL-86822 - Error when enabling editing mode on H5P activity with course block set to "display on all pages"
  • MDL-86736 - Course short names display incorrectly in Course Overview with List/Summary layout
  • MDL-86668 - The scale explanatory popup does not filter the scale name
  • MDL-86648 - Assignment override due date can be after extension date
  • MDL-86574 - Exported cohort role tool privacy data doesn't format name/description correctly
  • MDL-86559 - auto links for activities and resources does not work when double space is present
  • MDL-86430 - Bad display of scale grading when the title of scale too long in Forum
  • MDL-86382 - qbank_bulkmove: invalidcoursemodule when clicking on limit hint
  • MDL-86323 - TinyMCE removes harmless attributes from <svg> tag
  • MDL-86235 - Several tables no longer highlight the row being hovered on
  • MDL-86161 - When editing a group that has a multilang name (and a picture), the group name upon hovering the group picture is not passing the filter
  • MDL-86159 - Inconsistent/poorly formatted courses when importing BigBlueButton recordings
  • MDL-86011 - The Responded column shouldn't be displayed to admins in the Activities overview for Feedback
  • MDL-86010 - Error when viewing a learning plan competency after deleting the associated activity
  • MDL-85988 - Book chapter content overlaps the navigation buttons
  • MDL-85930 - TinyMCE multimedia icon does not successfully add videos from Youtube repository search
  • MDL-85917 - Course section titles don't always get refreshed
  • MDL-85887 - Search input on tag/search.php is overflowing on small screen sizes
  • MDL-85835 - TinyMCE's equation editor tabs not working in the quiz attempt
  • MDL-85592 - Mobile Navigation: Multiple Sub-Menus expand/collapse simultaneously
  • MDL-85511 - On the "Manage courses and categories" page, after performing a search, there's no clear way to return to the initial view without using the browser's back button
  • MDL-85474 - Teachers may experience a "Call to undefined method" exception in Assignment
  • MDL-85418 - Usermenu carousel navigation link trigger anchor linking and make the page scroll back to the top
  • MDL-85366 - Outlook users receive .ics file instead of the proper invitation
  • MDL-85306 - Toggle element doesn't display tooltips
  • MDL-85287 - User tours highlight incorrectly while scrolling with backdrop
  • MDL-84745 - Bulk delete cohort button is confusing
  • MDL-83543 - Submit button remains disabled after Excel file download
  • MDL-77137 - cURL multi method does not honour proxybypass option

Accessibility fixes and improvements​

  • MDL-85534 - Skipped heading level on Forum discussion page
  • MDL-83485 - Use lists instead of div tags in the preferences groups template
  • MDL-85858 - SCORM Player missing page title and iframe title attributes
  • MDL-87245 - SCORM packages that open in a new window should inform users that they open in a new window
  • MDL-87149 - Insufficient contrast for feedback questions with Dependence item set
  • MDL-86998 - Empty <th> table header and empty form label on "Notification preferences" screen presenting accessibility issues
  • MDL-86986 - The core/drag_handle button relies on the title attribute for its accessible label
  • MDL-86855 - Accessibility issues on the qbank_columnsortorder admin settings page
  • MDL-86840 - Accessibility issues on the forum advanced search form
  • MDL-86806 - Keyboard navigation in "Add activity or resource" modal is reversed in RTL languages
  • MDL-86701 - Use native button elements for the buttons on the custom fields pages
  • MDL-86547 - Consider accessibility improvements for <code> display
  • MDL-86450 - Checkboxes in forum advanced search form not labelled correctly
  • MDL-86434 - User profile page: Page title missing if user ID is invalid or current user permissions are insufficient
  • MDL-85820 - Required form field validation issue: client-side adds unnecessary "-"
  • MDL-85796 - Remove the unnecessary title attribute on user profile links (RGAA 6.1 criteria)
  • MDL-85774 - Home page offline RGAA compliance issue
  • MDL-82232 - Incorrect landmark accessible names for the breadcrumb

Performance fixes and improvements​

  • MDL-81304 - Long load times on "my courses"
  • MDL-87019 - Redis session handler memory grows unbounded due to no garbage collection of userkeyprefix hash for user=0
  • MDL-86749 - Quiz performance adding questions from the question bank - needs index on question statistics
  • MDL-85764 - Quiz queue_quiz_open_notification_tasks_for_users can be very slow
  • MDL-85729 - Grades page can load thousands of pluginfiles

Security improvements​

  • MDL-86369 - Deleting a single attempt from SCORM reports page deletes all user attempts when reloading the page
  • MDL-87066 - Create clean_string() to simplify and improve Mustache rendering security

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.