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See Release Notes
Long Term Support Release

  • Bug fixes for general core bugs in 3.9.x will end* 10 May 2021 (12 months).
  • Bug fixes for security issues in 3.9.x will end* 8 May 2023 (36 months).
  • PHP version: minimum PHP 7.2.0 Note: minimum PHP version has increased since Moodle 3.8. PHP 7.3.x and 7.4.x are supported too.
/lib/classes/check/performance/
FolderUp one level  
Filebackups.php      [source] [84 lines]    Backups check
Filecachejs.php      [source] [81 lines]    CacheJS check
Filedebugging.php    [source] [81 lines]    Debugging check
Filedesignermode.php [source] [82 lines]    Designer mode
Filestats.php        [source] [81 lines]    Stats check