diff --git a/mod/assign/lib.php b/mod/assign/lib.php
index 419b2c4e67f..691b694ab59 100644
--- a/mod/assign/lib.php
+++ b/mod/assign/lib.php
@@ -560,19 +560,14 @@ function assign_print_recent_activity($course, $viewfullnames, $timestart) {
                 continue;
             }
 
-            if (is_null($modinfo->get_groups())) {
-                // Load all my groups and cache it in modinfo.
-                $modinfo->groups = groups_get_user_groups($course->id);
-            }
-
             // This will be slow - show only users that share group with me in this cm.
-            if (empty($modinfo->groups[$cm->id])) {
+            if (!$modinfo->get_groups($cm->groupingid)) {
                 continue;
             }
             $usersgroups =  groups_get_all_groups($course->id, $submission->userid, $cm->groupingid);
             if (is_array($usersgroups)) {
                 $usersgroups = array_keys($usersgroups);
-                $intersect = array_intersect($usersgroups, $modinfo->groups[$cm->id]);
+                $intersect = array_intersect($usersgroups, $modinfo->get_groups($cm->groupingid));
                 if (empty($intersect)) {
                     continue;
                 }
@@ -672,17 +667,9 @@ function assign_get_recent_mod_activity(&$activities,
     $accessallgroups = has_capability('moodle/site:accessallgroups', $cm_context);
     $viewfullnames   = has_capability('moodle/site:viewfullnames', $cm_context);
 
-    if (is_null($modinfo->get_groups())) {
-        // Load all my groups and cache it in modinfo.
-        $modinfo->groups = groups_get_user_groups($course->id);
-    }
 
     $showrecentsubmissions = get_config('assign', 'showrecentsubmissions');
     $show = array();
-    $usersgroups = groups_get_all_groups($course->id, $USER->id, $cm->groupingid);
-    if (is_array($usersgroups)) {
-        $usersgroups = array_keys($usersgroups);
-    }
     foreach ($submissions as $submission) {
         if ($submission->userid == $USER->id) {
             $show[] = $submission;
@@ -703,11 +690,13 @@ function assign_get_recent_mod_activity(&$activities,
             }
 
             // This will be slow - show only users that share group with me in this cm.
-            if (empty($modinfo->groups[$cm->id])) {
+            if (!$modinfo->get_groups($cm->groupingid)) {
                 continue;
             }
+            $usersgroups =  groups_get_all_groups($course->id, $submission->userid, $cm->groupingid);
             if (is_array($usersgroups)) {
-                $intersect = array_intersect($usersgroups, $modinfo->groups[$cm->id]);
+                $usersgroups = array_keys($usersgroups);
+                $intersect = array_intersect($usersgroups, $modinfo->get_groups($cm->groupingid));
                 if (empty($intersect)) {
                     continue;
                 }
diff --git a/mod/chat/lib.php b/mod/chat/lib.php
index 39823327e8b..6272baa1dbe 100644
--- a/mod/chat/lib.php
+++ b/mod/chat/lib.php
@@ -290,12 +290,8 @@ function chat_print_recent_activity($course, $viewfullnames, $timestart) {
             continue;
         }
 
-        if (is_null($modinfo->groups)) {
-            $modinfo->groups = groups_get_user_groups($course->id); // load all my groups and cache it in modinfo
-        }
-
         // verify groups in separate mode
-        if (!$mygroupids = $modinfo->groups[$cm->groupingid]) {
+        if (!$mygroupids = $modinfo->get_groups($cm->groupingid)) {
             continue;
         }
 
diff --git a/mod/feedback/lib.php b/mod/feedback/lib.php
index 123b707b2f1..8240842ce80 100644
--- a/mod/feedback/lib.php
+++ b/mod/feedback/lib.php
@@ -383,11 +383,11 @@ function feedback_get_recent_mod_activity(&$activities, &$index,
 
     $sqlargs = array();
 
-    //TODO: user user_picture::fields;
-    $sql = " SELECT fk . * , fc . * , u.firstname, u.lastname, u.email, u.picture, u.email
-                                            FROM {feedback_completed} fc
-                                                JOIN {feedback} fk ON fk.id = fc.feedback
-                                                JOIN {user} u ON u.id = fc.userid ";
+    $userfields = user_picture::fields('u', null, 'useridagain');
+    $sql = " SELECT fk . * , fc . * , $userfields
+                FROM {feedback_completed} fc
+                    JOIN {feedback} fk ON fk.id = fc.feedback
+                    JOIN {user} u ON u.id = fc.userid ";
 
     if ($groupid) {
         $sql .= " JOIN {groups_members} gm ON  gm.userid=u.id ";
@@ -421,11 +421,6 @@ function feedback_get_recent_mod_activity(&$activities, &$index,
     $viewfullnames   = has_capability('moodle/site:viewfullnames', $cm_context);
     $groupmode       = groups_get_activity_groupmode($cm, $course);
 
-    if (is_null($modinfo->groups)) {
-        // load all my groups and cache it in modinfo
-        $modinfo->groups = groups_get_user_groups($course->id);
-    }
-
     $aname = format_string($cm->name, true);
     foreach ($feedbackitems as $feedbackitem) {
         if ($feedbackitem->userid != $USER->id) {
@@ -438,7 +433,7 @@ function feedback_get_recent_mod_activity(&$activities, &$index,
                     continue;
                 }
                 $usersgroups = array_keys($usersgroups);
-                $intersect = array_intersect($usersgroups, $modinfo->groups[$cm->id]);
+                $intersect = array_intersect($usersgroups, $modinfo->get_groups($cm->groupingid));
                 if (empty($intersect)) {
                     continue;
                 }
@@ -457,19 +452,7 @@ function feedback_get_recent_mod_activity(&$activities, &$index,
         $tmpactivity->content->feedbackid = $feedbackitem->id;
         $tmpactivity->content->feedbackuserid = $feedbackitem->userid;
 
-        $userfields = explode(',', user_picture::fields());
-        $tmpactivity->user = new stdClass();
-        foreach ($userfields as $userfield) {
-            if ($userfield == 'id') {
-                $tmpactivity->user->{$userfield} = $feedbackitem->userid; // aliased in SQL above
-            } else {
-                if (!empty($feedbackitem->{$userfield})) {
-                    $tmpactivity->user->{$userfield} = $feedbackitem->{$userfield};
-                } else {
-                    $tmpactivity->user->{$userfield} = null;
-                }
-            }
-        }
+        $tmpactivity->user = user_picture::unalias($feedbackitem, null, 'useridagain');
         $tmpactivity->user->fullname = fullname($feedbackitem, $viewfullnames);
 
         $activities[$index++] = $tmpactivity;
diff --git a/mod/glossary/lib.php b/mod/glossary/lib.php
index 7fa2109017a..2f697b5ace6 100644
--- a/mod/glossary/lib.php
+++ b/mod/glossary/lib.php
@@ -335,13 +335,16 @@ function glossary_get_recent_mod_activity(&$activities, &$index, $timestart, $co
     $cm = $modinfo->cms[$cmid];
     $context = context_module::instance($cm->id);
 
-    if (!has_capability('mod/glossary:view', $context)) {
+    if (!$cm->uservisible) {
         return;
     }
 
     $viewfullnames = has_capability('moodle/site:viewfullnames', $context);
+    // Groups are not yet supported for glossary. See MDL-10728 .
+    /*
     $accessallgroups = has_capability('moodle/site:accessallgroups', $context);
     $groupmode = groups_get_activity_groupmode($cm, $course);
+     */
 
     $params['timestart'] = $timestart;
 
@@ -361,17 +364,24 @@ function glossary_get_recent_mod_activity(&$activities, &$index, $timestart, $co
         $groupjoin   = '';
     }
 
+    $approvedselect = "";
+    if (!has_capability('mod/glossary:approve', $context)) {
+        $approvedselect = " AND ge.approved = 1 ";
+    }
+
     $params['timestart'] = $timestart;
     $params['glossaryid'] = $cm->instance;
 
-    $ufields = user_picture::fields('u', array('lastaccess', 'firstname', 'lastname', 'email', 'picture', 'imagealt'));
+    $ufields = user_picture::fields('u', null, 'userid');
     $entries = $DB->get_records_sql("
-              SELECT ge.id AS entryid, ge.*, $ufields
+              SELECT ge.id AS entryid, ge.glossaryid, ge.concept, ge.definition, ge.approved,
+                     ge.timemodified, $ufields
                 FROM {glossary_entries} ge
                 JOIN {user} u ON u.id = ge.userid
                      $groupjoin
                WHERE ge.timemodified > :timestart
                  AND ge.glossaryid = :glossaryid
+                     $approvedselect
                      $userselect
                      $groupselect
             ORDER BY ge.timemodified ASC", $params);
@@ -381,6 +391,8 @@ function glossary_get_recent_mod_activity(&$activities, &$index, $timestart, $co
     }
 
     foreach ($entries as $entry) {
+        // Groups are not yet supported for glossary. See MDL-10728 .
+        /*
         $usersgroups = null;
         if ($entry->userid != $USER->id) {
             if ($groupmode == SEPARATEGROUPS and !$accessallgroups) {
@@ -392,13 +404,16 @@ function glossary_get_recent_mod_activity(&$activities, &$index, $timestart, $co
                         $usersgroups = array();
                     }
                 }
-                if (!array_intersect($usersgroups, $modinfo->get_groups($cm->id))) {
+                if (!array_intersect($usersgroups, $modinfo->get_groups($cm->groupingid))) {
                     continue;
                 }
             }
         }
+         */
 
         $tmpactivity                       = new stdClass();
+        $tmpactivity->user                 = user_picture::unalias($entry, null, 'userid');
+        $tmpactivity->user->fullname       = fullname($tmpactivity->user, $viewfullnames);
         $tmpactivity->type                 = 'glossary';
         $tmpactivity->cmid                 = $cm->id;
         $tmpactivity->glossaryid           = $entry->glossaryid;
@@ -409,14 +424,7 @@ function glossary_get_recent_mod_activity(&$activities, &$index, $timestart, $co
         $tmpactivity->content->entryid     = $entry->entryid;
         $tmpactivity->content->concept     = $entry->concept;
         $tmpactivity->content->definition  = $entry->definition;
-        $tmpactivity->user                 = new stdClass();
-        $tmpactivity->user->id             = $entry->userid;
-        $tmpactivity->user->firstname      = $entry->firstname;
-        $tmpactivity->user->lastname       = $entry->lastname;
-        $tmpactivity->user->fullname       = fullname($entry, $viewfullnames);
-        $tmpactivity->user->picture        = $entry->picture;
-        $tmpactivity->user->imagealt       = $entry->imagealt;
-        $tmpactivity->user->email          = $entry->email;
+        $tmpactivity->content->approved    = $entry->approved;
 
         $activities[$index++] = $tmpactivity;
     }
@@ -446,14 +454,20 @@ function glossary_print_recent_mod_activity($activity, $courseid, $detail, $modn
     echo html_writer::start_tag('div', array('class'=>'glossary-activity-content'));
     echo html_writer::start_tag('div', array('class'=>'glossary-activity-entry'));
 
-    $urlparams = array('g' => $activity->glossaryid, 'mode' => 'entry', 'hook' => $activity->content->entryid);
-    echo html_writer::tag('a', strip_tags($activity->content->concept),
-        array('href' => new moodle_url('/mod/glossary/view.php', $urlparams)));
+    if (isset($activity->content->approved) && !$activity->content->approved) {
+        $urlparams = array('g' => $activity->glossaryid, 'mode' => 'approval', 'hook' => $activity->content->concept);
+        $class = array('class' => 'dimmed_text');
+    } else {
+        $urlparams = array('g' => $activity->glossaryid, 'mode' => 'entry', 'hook' => $activity->content->entryid);
+        $class = array();
+    }
+    echo html_writer::link(new moodle_url('/mod/glossary/view.php', $urlparams),
+            strip_tags($activity->content->concept), $class);
     echo html_writer::end_tag('div');
 
     $url = new moodle_url('/user/view.php', array('course'=>$courseid, 'id'=>$activity->user->id));
     $name = $activity->user->fullname;
-    $link = html_writer::link($url, $name);
+    $link = html_writer::link($url, $name, $class);
 
     echo html_writer::start_tag('div', array('class'=>'user'));
     echo $link .' - '. userdate($activity->timestamp);
diff --git a/mod/quiz/lib.php b/mod/quiz/lib.php
index 6021e44eac7..43ec70d1c00 100644
--- a/mod/quiz/lib.php
+++ b/mod/quiz/lib.php
@@ -814,15 +814,10 @@ function quiz_refresh_events($courseid = 0) {
  */
 function quiz_get_recent_mod_activity(&$activities, &$index, $timestart,
         $courseid, $cmid, $userid = 0, $groupid = 0) {
-    global $CFG, $COURSE, $USER, $DB;
+    global $CFG, $USER, $DB;
     require_once($CFG->dirroot . '/mod/quiz/locallib.php');
 
-    if ($COURSE->id == $courseid) {
-        $course = $COURSE;
-    } else {
-        $course = $DB->get_record('course', array('id' => $courseid));
-    }
-
+    $course = get_course($courseid);
     $modinfo = get_fast_modinfo($course);
 
     $cm = $modinfo->cms[$cmid];
@@ -868,11 +863,6 @@ function quiz_get_recent_mod_activity(&$activities, &$index, $timestart,
     $grader          = has_capability('mod/quiz:viewreports', $context);
     $groupmode       = groups_get_activity_groupmode($cm, $course);
 
-    if (is_null($modinfo->groups)) {
-        // Load all my groups and cache it in modinfo.
-        $modinfo->groups = groups_get_user_groups($course->id);
-    }
-
     $usersgroups = null;
     $aname = format_string($cm->name, true);
     foreach ($attempts as $attempt) {
@@ -883,16 +873,10 @@ function quiz_get_recent_mod_activity(&$activities, &$index, $timestart,
             }
 
             if ($groupmode == SEPARATEGROUPS and !$accessallgroups) {
-                if (is_null($usersgroups)) {
-                    $usersgroups = groups_get_all_groups($course->id,
-                            $attempt->userid, $cm->groupingid);
-                    if (is_array($usersgroups)) {
-                        $usersgroups = array_keys($usersgroups);
-                    } else {
-                        $usersgroups = array();
-                    }
-                }
-                if (!array_intersect($usersgroups, $modinfo->groups[$cm->id])) {
+                $usersgroups = groups_get_all_groups($course->id,
+                        $attempt->userid, $cm->groupingid);
+                $usersgroups = array_keys($usersgroups);
+                if (!array_intersect($usersgroups, $modinfo->get_groups($cm->groupingid))) {
                     continue;
                 }
             }
diff --git a/mod/workshop/lib.php b/mod/workshop/lib.php
index 54d74b44881..cf0127f5f9b 100644
--- a/mod/workshop/lib.php
+++ b/mod/workshop/lib.php
@@ -446,18 +446,14 @@ function workshop_print_recent_activity($course, $viewfullnames, $timestart) {
                             break;
                         }
 
-                        if (is_null($modinfo->groups)) {
-                            $modinfo->groups = groups_get_user_groups($course->id); // load all my groups and cache it in modinfo
-                        }
-
                         // this might be slow - show only submissions by users who share group with me in this cm
-                        if (empty($modinfo->groups[$cm->id])) {
+                        if (!$modinfo->get_groups($cm->groupingid)) {
                             break;
                         }
                         $authorsgroups = groups_get_all_groups($course->id, $s->authorid, $cm->groupingid);
                         if (is_array($authorsgroups)) {
                             $authorsgroups = array_keys($authorsgroups);
-                            $intersect = array_intersect($authorsgroups, $modinfo->groups[$cm->id]);
+                            $intersect = array_intersect($authorsgroups, $modinfo->get_groups($cm->groupingid));
                             if (empty($intersect)) {
                                 break;
                             } else {
@@ -503,18 +499,14 @@ function workshop_print_recent_activity($course, $viewfullnames, $timestart) {
                             break;
                         }
 
-                        if (is_null($modinfo->groups)) {
-                            $modinfo->groups = groups_get_user_groups($course->id); // load all my groups and cache it in modinfo
-                        }
-
                         // this might be slow - show only submissions by users who share group with me in this cm
-                        if (empty($modinfo->groups[$cm->id])) {
+                        if (!$modinfo->get_groups($cm->groupingid)) {
                             break;
                         }
                         $reviewersgroups = groups_get_all_groups($course->id, $a->reviewerid, $cm->groupingid);
                         if (is_array($reviewersgroups)) {
                             $reviewersgroups = array_keys($reviewersgroups);
-                            $intersect = array_intersect($reviewersgroups, $modinfo->groups[$cm->id]);
+                            $intersect = array_intersect($reviewersgroups, $modinfo->get_groups($cm->groupingid));
                             if (empty($intersect)) {
                                 break;
                             } else {
@@ -648,10 +640,6 @@ function workshop_get_recent_mod_activity(&$activities, &$index, $timestart, $co
     $viewauthors     = has_capability('mod/workshop:viewauthornames', $context);
     $viewreviewers   = has_capability('mod/workshop:viewreviewernames', $context);
 
-    if (is_null($modinfo->groups)) {
-        $modinfo->groups = groups_get_user_groups($course->id); // load all my groups and cache it in modinfo
-    }
-
     $submissions = array(); // recent submissions indexed by submission id
     $assessments = array(); // recent assessments indexed by assessment id
     $users       = array();
@@ -710,13 +698,13 @@ function workshop_get_recent_mod_activity(&$activities, &$index, $timestart, $co
                         }
 
                         // this might be slow - show only submissions by users who share group with me in this cm
-                        if (empty($modinfo->groups[$cm->id])) {
+                        if (!$modinfo->get_groups($cm->groupingid)) {
                             break;
                         }
                         $authorsgroups = groups_get_all_groups($course->id, $s->authorid, $cm->groupingid);
                         if (is_array($authorsgroups)) {
                             $authorsgroups = array_keys($authorsgroups);
-                            $intersect = array_intersect($authorsgroups, $modinfo->groups[$cm->id]);
+                            $intersect = array_intersect($authorsgroups, $modinfo->get_groups($cm->groupingid));
                             if (empty($intersect)) {
                                 break;
                             } else {
@@ -763,13 +751,13 @@ function workshop_get_recent_mod_activity(&$activities, &$index, $timestart, $co
                         }
 
                         // this might be slow - show only submissions by users who share group with me in this cm
-                        if (empty($modinfo->groups[$cm->id])) {
+                        if (!$modinfo->get_groups($cm->groupingid)) {
                             break;
                         }
                         $reviewersgroups = groups_get_all_groups($course->id, $a->reviewerid, $cm->groupingid);
                         if (is_array($reviewersgroups)) {
                             $reviewersgroups = array_keys($reviewersgroups);
-                            $intersect = array_intersect($reviewersgroups, $modinfo->groups[$cm->id]);
+                            $intersect = array_intersect($reviewersgroups, $modinfo->get_groups($cm->groupingid));
                             if (empty($intersect)) {
                                 break;
                             } else {