* H5P libraries have been moved from /lib/h5p to h5p/h5plib as an h5plib plugintype.
* mdn-polyfills has been renamed to polyfills. The reason there is no polyfill from the MDN is
because there is no example polyfills on the MDN for this functionality.
+* AJAX pages can be called without requiring a session lock if they set READ_ONLY_SESSION to true, eg.
+ define('READ_ONLY_SESSION', true); Note - this also requires $CFG->enable_read_only_sessions to be set to true.
+* External functions can be called without requiring a session lock if they define 'readonlysession' => true in
+ db/services.php. Note - this also requires $CFG->enable_read_only_sessions to be set to true.
+ * database_manager::check_database_schema() now checks for missing and extra indexes.
=== 3.8 ===
* Add CLI option to notify all cron tasks to stop: admin/cli/cron.php --stop
