diff --git a/backup/moodle2/backup_stepslib.php b/backup/moodle2/backup_stepslib.php
index 3578063751f..2667e0344fa 100644
--- a/backup/moodle2/backup_stepslib.php
+++ b/backup/moodle2/backup_stepslib.php
@@ -1096,7 +1096,7 @@ class backup_users_structure_step extends backup_structure_step {
             'lastaccess', 'lastlogin', 'currentlogin',
             'mailformat', 'maildigest', 'maildisplay', 'htmleditor',
             'autosubscribe', 'trackforums', 'timecreated',
-            'timemodified', 'trustbitmask', 'screenreader');
+            'timemodified', 'trustbitmask');
 
         // Then, the fields potentially needing anonymization
         $anonfields = array(
diff --git a/grade/report/grader/lib.php b/grade/report/grader/lib.php
index 3f6681e5454..4f14578e1ff 100644
--- a/grade/report/grader/lib.php
+++ b/grade/report/grader/lib.php
@@ -615,7 +615,6 @@ class grade_report_grader extends grade_report {
         $rows = array();
 
         $showuserimage = $this->get_pref('showuserimage');
-        $fixedstudents = $this->is_fixed_students();
 
         $strfeedback  = $this->get_lang_string("feedback");
         $strgrade     = $this->get_lang_string('grade');
@@ -1639,7 +1638,7 @@ class grade_report_grader extends grade_report {
      */
     public function is_fixed_students() {
         global $USER, $CFG;
-        return empty($USER->screenreader) && $CFG->grade_report_fixedstudents &&
+        return $CFG->grade_report_fixedstudents &&
             (check_browser_version('MSIE', '7.0') ||
              check_browser_version('Firefox', '2.0') ||
              check_browser_version('Gecko', '2006010100') ||
diff --git a/grade/report/grader/module.js b/grade/report/grader/module.js
index 800f5541c03..0ee92bae4b4 100644
--- a/grade/report/grader/module.js
+++ b/grade/report/grader/module.js
@@ -56,7 +56,7 @@ M.gradereport_grader = {
                     return;
                 }
 
-                var content = '<div class="graderreportoverlay">';
+                var content = '<div class="graderreportoverlay" role="tooltip" aria-describedby="' + properties.id + '">';
                 content += '<div class="fullname">'+properties.username+'</div><div class="itemname">'+properties.itemname+'</div>';
                 if (properties.feedback) {
                     content += '<div class="feedback">'+properties.feedback+'</div>';
@@ -241,6 +241,7 @@ M.gradereport_grader.classes.report.prototype.get_cell_info = function(arg) {
     }
 
     return {
+        id : cell.getAttribute('id'),
         userid : userid,
         username : this.users[userid],
         itemid : itemid,
diff --git a/lang/en/moodle.php b/lang/en/moodle.php
index ba2def61b15..a9f4b3ee518 100644
--- a/lang/en/moodle.php
+++ b/lang/en/moodle.php
@@ -1466,10 +1466,6 @@ $string['scalestandard_help'] = 'A standard scale is available site-wide, for al
 $string['scalestandard_link'] = 'grade/scale';
 $string['scalestip'] = 'To create custom scales, use the \'Scales...\' link in your course administration menu.';
 $string['scalestip2'] = 'To create custom scales, click the Grades link in the course administration menu, then choose Edit, Scales.';
-$string['screenreaderno'] = 'No';
-$string['screenreaderuse'] = 'Screen reader';
-$string['screenreaderyes'] = 'Yes';
-$string['screenreaderuse_help'] = 'If set to yes, a more accessible interface is provided in various places such as chat.';
 $string['screenshot'] = 'Screenshot';
 $string['search'] = 'Search'; // TODO MDL-34652 rename to searchforums and move to mod_forum
 $string['search_help'] = 'For basic searching of one or more words anywhere in the text, just type them separated by spaces. All words longer than two characters are used.
diff --git a/lib/db/install.xml b/lib/db/install.xml
index bcd5920cdf2..a77dc988729 100644
--- a/lib/db/install.xml
+++ b/lib/db/install.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<XMLDB PATH="lib/db" VERSION="20120825" COMMENT="XMLDB file for core Moodle tables"
+<XMLDB PATH="lib/db" VERSION="20120917" COMMENT="XMLDB file for core Moodle tables"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:noNamespaceSchemaLocation="../../lib/xmldb/xmldb.xsd"
 >
@@ -778,8 +778,7 @@
         <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="trackforums" NEXT="timemodified"/>
         <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="timecreated" NEXT="trustbitmask"/>
         <FIELD NAME="trustbitmask" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="timemodified" NEXT="imagealt"/>
-        <FIELD NAME="imagealt" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" COMMENT="alt tag for user uploaded image" PREVIOUS="trustbitmask" NEXT="screenreader"/>
-        <FIELD NAME="screenreader" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="flag for determining whehter the user uses a screenreader." PREVIOUS="imagealt"/>
+        <FIELD NAME="imagealt" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" COMMENT="alt tag for user uploaded image" PREVIOUS="trustbitmask"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
diff --git a/lib/db/upgrade.php b/lib/db/upgrade.php
index 4fc23fc1b38..61ba44efa5f 100644
--- a/lib/db/upgrade.php
+++ b/lib/db/upgrade.php
@@ -1206,5 +1206,19 @@ function xmldb_main_upgrade($oldversion) {
         upgrade_main_savepoint(true, 2012090700.01);
     }
 
+    if ($oldversion < 2012091700.00) {
+
+        // Dropping screenreader field from user.
+        $table = new xmldb_table('user');
+        $field = new xmldb_field('screenreader');
+
+        if ($dbman->field_exists($table, $field)) {
+            $dbman->drop_field($table, $field);
+        }
+
+        // Main savepoint reached.
+        upgrade_main_savepoint(true, 2012091700.00);
+    }
+
     return true;
 }
diff --git a/lib/moodlelib.php b/lib/moodlelib.php
index 6e078a8ce5e..7e2eebe355c 100644
--- a/lib/moodlelib.php
+++ b/lib/moodlelib.php
@@ -8815,11 +8815,9 @@ function get_browser_version_classes() {
  * @return bool True for yes, false for no
  */
 function can_use_rotated_text() {
-    global $USER;
-    return (check_browser_version('MSIE', 9) || check_browser_version('Firefox', 2) ||
+    return check_browser_version('MSIE', 9) || check_browser_version('Firefox', 2) ||
             check_browser_version('Chrome', 21) || check_browser_version('Safari', 536.25) ||
-            check_browser_version('Opera', 12) || check_browser_version('Safari iOS', 533)) &&
-            !$USER->screenreader;
+            check_browser_version('Opera', 12) || check_browser_version('Safari iOS', 533);
 }
 
 /**
diff --git a/mod/chat/lib.php b/mod/chat/lib.php
index 9b5698155c5..fa346b99854 100644
--- a/mod/chat/lib.php
+++ b/mod/chat/lib.php
@@ -1203,7 +1203,7 @@ function chat_supports($feature) {
 }
 
 function chat_extend_navigation($navigation, $course, $module, $cm) {
-    global $CFG, $USER, $PAGE, $OUTPUT;
+    global $CFG;
 
     $currentgroup = groups_get_activity_group($cm, true);
 
@@ -1219,12 +1219,9 @@ function chat_extend_navigation($navigation, $course, $module, $cm) {
 
         $links = array();
 
-        // If user is using screenreader, display gui_basic gui link only
-        if (empty($USER->screenreader)) {
-            $url = new moodle_url($target.'gui_'.$CFG->chat_method.'/index.php', $params);
-            $action = new popup_action('click', $url, 'chat'.$course->id.$cm->instance.$currentgroup, array('height' => 500, 'width' => 700));
-            $links[] = new action_link($url, $strenterchat, $action);
-        }
+        $url = new moodle_url($target.'gui_'.$CFG->chat_method.'/index.php', $params);
+        $action = new popup_action('click', $url, 'chat'.$course->id.$cm->instance.$currentgroup, array('height' => 500, 'width' => 700));
+        $links[] = new action_link($url, $strenterchat, $action);
 
         $url = new moodle_url($target.'gui_basic/index.php', $params);
         $action = new popup_action('click', $url, 'chat'.$course->id.$cm->instance.$currentgroup, array('height' => 500, 'width' => 700));
diff --git a/mod/chat/view.php b/mod/chat/view.php
index 7567de06a13..4daae972b5f 100644
--- a/mod/chat/view.php
+++ b/mod/chat/view.php
@@ -126,18 +126,12 @@ if (has_capability('mod/chat:chat', $context)) {
         echo '</p>';
     }
 
-    if (empty($USER->screenreader)) {
-        $params['id'] = $chat->id;
-        $chattarget = new moodle_url("/mod/chat/gui_$CFG->chat_method/index.php", $params);
-        echo '<p>';
-        echo $OUTPUT->action_link($chattarget, $strenterchat, new popup_action('click', $chattarget, "chat$course->id$chat->id$groupparam", array('height' => 500, 'width' => 700)));
-        echo '</p>';
-    }
+    $params['id'] = $chat->id;
+    $chattarget = new moodle_url("/mod/chat/gui_$CFG->chat_method/index.php", $params);
+    echo '<p>';
+    echo $OUTPUT->action_link($chattarget, $strenterchat, new popup_action('click', $chattarget, "chat$course->id$chat->id$groupparam", array('height' => 500, 'width' => 700)));
+    echo '</p>';
 
-    // if user is using screen reader, then there is no need to display this link again
-    // users with screenreader set, will only see 1 link, to the manual refresh page
-    // for better accessibility
-    // show frame/js-less alternative
     $params['id'] = $chat->id;
     $link = new moodle_url('/mod/chat/gui_basic/index.php', $params);
     $action = new popup_action('click', $link, "chat{$course->id}{$chat->id}{$groupparam}", array('height' => 500, 'width' => 700));
diff --git a/report/progress/index.php b/report/progress/index.php
index 7a979dc3053..8997c14f0a2 100644
--- a/report/progress/index.php
+++ b/report/progress/index.php
@@ -326,12 +326,13 @@ foreach($activities as $activity) {
     if ($csv) {
         print $sep.csv_quote(strip_tags($activity->name)).$sep.csv_quote($datetext);
     } else {
+        $formattedactivityname = format_string($activity->name, true, array('context' => $context));
         print '<th scope="col" class="'.$activity->datepassedclass.'">'.
             '<a href="'.$CFG->wwwroot.'/mod/'.$activity->modname.
-            '/view.php?id='.$activity->id.'">'.
+            '/view.php?id='.$activity->id.'" title="' . $formattedactivityname . '">'.
             '<img src="'.$OUTPUT->pix_url('icon', $activity->modname).'" alt="'.
             get_string('modulename',$activity->modname).'" /> <span class="completion-activityname">'.
-            format_string($activity->name).'</span></a>';
+            $formattedactivityname.'</span></a>';
         if ($activity->completionexpected) {
             print '<div class="completion-expected"><span>'.$datetext.'</span></div>';
         }
diff --git a/user/editlib.php b/user/editlib.php
index d2250fbbfc3..afddd5c4e1b 100644
--- a/user/editlib.php
+++ b/user/editlib.php
@@ -216,13 +216,6 @@ function useredit_shared_definition(&$mform, $editoroptions = null, $filemanager
         $mform->setType('htmleditor', PARAM_INT);
     }
 
-    $choices = array();
-    $choices['0'] = get_string('screenreaderno');
-    $choices['1'] = get_string('screenreaderyes');
-    $mform->addElement('select', 'screenreader', get_string('screenreaderuse'), $choices);
-    $mform->setDefault('screenreader', 0);
-    $mform->addHelpButton('screenreader', 'screenreaderuse');
-
     $mform->addElement('text', 'city', get_string('city'), 'maxlength="120" size="21"');
     $mform->setType('city', PARAM_TEXT);
     $mform->addRule('city', $strrequired, 'required', null, 'client');
diff --git a/version.php b/version.php
index a7954241884..40fd7a42366 100644
--- a/version.php
+++ b/version.php
@@ -30,11 +30,11 @@
 defined('MOODLE_INTERNAL') || die();
 
 
-$version  = 2012092000.00;              // YYYYMMDD      = weekly release date of this DEV branch
+$version  = 2012092100.00;              // YYYYMMDD      = weekly release date of this DEV branch
                                         //         RR    = release increments - 00 in DEV branches
                                         //           .XX = incremental changes
 
-$release  = '2.4dev (Build: 20120920)'; // Human-friendly version name
+$release  = '2.4dev (Build: 20120921)'; // Human-friendly version name
 
 $branch   = '24';                       // this version's branch
 $maturity = MATURITY_ALPHA;             // this version's maturity level