diff --git a/admin/tool/customlang/db/upgrade.php b/admin/tool/customlang/db/upgrade.php
index b3c5c035732..b63626f97d1 100644
--- a/admin/tool/customlang/db/upgrade.php
+++ b/admin/tool/customlang/db/upgrade.php
@@ -38,5 +38,8 @@ function xmldb_tool_customlang_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/admin/tool/log/db/upgrade.php b/admin/tool/log/db/upgrade.php
index ef219e04cf4..042ed972bba 100644
--- a/admin/tool/log/db/upgrade.php
+++ b/admin/tool/log/db/upgrade.php
@@ -42,5 +42,8 @@ function xmldb_tool_log_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/admin/tool/log/store/database/db/upgrade.php b/admin/tool/log/store/database/db/upgrade.php
index dc9203592be..21e34e09af6 100644
--- a/admin/tool/log/store/database/db/upgrade.php
+++ b/admin/tool/log/store/database/db/upgrade.php
@@ -36,5 +36,8 @@ function xmldb_logstore_database_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/admin/tool/log/store/standard/db/upgrade.php b/admin/tool/log/store/standard/db/upgrade.php
index 4e23361aecd..4834535f2c5 100644
--- a/admin/tool/log/store/standard/db/upgrade.php
+++ b/admin/tool/log/store/standard/db/upgrade.php
@@ -53,5 +53,8 @@ function xmldb_logstore_standard_upgrade($oldversion) {
         upgrade_plugin_savepoint(true, 2016041200, 'logstore', 'standard');
     }
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/admin/tool/monitor/db/upgrade.php b/admin/tool/monitor/db/upgrade.php
index f02556d4a3e..9f8e53bcf8b 100644
--- a/admin/tool/monitor/db/upgrade.php
+++ b/admin/tool/monitor/db/upgrade.php
@@ -59,5 +59,8 @@ function xmldb_tool_monitor_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/auth/cas/db/upgrade.php b/auth/cas/db/upgrade.php
index d4211854410..22fcb7b6ec8 100644
--- a/auth/cas/db/upgrade.php
+++ b/auth/cas/db/upgrade.php
@@ -52,5 +52,8 @@ function xmldb_auth_cas_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/auth/ldap/db/upgrade.php b/auth/ldap/db/upgrade.php
index 762815cf1db..3526ffcadb0 100644
--- a/auth/ldap/db/upgrade.php
+++ b/auth/ldap/db/upgrade.php
@@ -52,5 +52,8 @@ function xmldb_auth_ldap_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/auth/manual/db/upgrade.php b/auth/manual/db/upgrade.php
index 3c0ae555787..d9b32b2684c 100644
--- a/auth/manual/db/upgrade.php
+++ b/auth/manual/db/upgrade.php
@@ -40,5 +40,8 @@ function xmldb_auth_manual_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/auth/mnet/db/upgrade.php b/auth/mnet/db/upgrade.php
index bfdef15f2a9..2daae51bdb4 100644
--- a/auth/mnet/db/upgrade.php
+++ b/auth/mnet/db/upgrade.php
@@ -40,5 +40,8 @@ function xmldb_auth_mnet_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/blocks/badges/db/upgrade.php b/blocks/badges/db/upgrade.php
index a9ff3a15dd5..e62f9b8861f 100644
--- a/blocks/badges/db/upgrade.php
+++ b/blocks/badges/db/upgrade.php
@@ -82,5 +82,8 @@ function xmldb_block_badges_upgrade($oldversion, $block) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/blocks/calendar_month/db/upgrade.php b/blocks/calendar_month/db/upgrade.php
index c83b12ada53..df1c06829d6 100644
--- a/blocks/calendar_month/db/upgrade.php
+++ b/blocks/calendar_month/db/upgrade.php
@@ -82,5 +82,8 @@ function xmldb_block_calendar_month_upgrade($oldversion, $block) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/blocks/calendar_upcoming/db/upgrade.php b/blocks/calendar_upcoming/db/upgrade.php
index 08364090e5f..8d57d38ae27 100644
--- a/blocks/calendar_upcoming/db/upgrade.php
+++ b/blocks/calendar_upcoming/db/upgrade.php
@@ -82,5 +82,8 @@ function xmldb_block_calendar_upcoming_upgrade($oldversion, $block) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/blocks/community/db/upgrade.php b/blocks/community/db/upgrade.php
index 3a3e7b1c59e..e4e537f1951 100644
--- a/blocks/community/db/upgrade.php
+++ b/blocks/community/db/upgrade.php
@@ -55,5 +55,8 @@ function xmldb_block_community_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/blocks/completionstatus/db/upgrade.php b/blocks/completionstatus/db/upgrade.php
index f44773ad4b1..9767c51dfee 100644
--- a/blocks/completionstatus/db/upgrade.php
+++ b/blocks/completionstatus/db/upgrade.php
@@ -57,5 +57,8 @@ function xmldb_block_completionstatus_upgrade($oldversion, $block) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/blocks/course_summary/db/upgrade.php b/blocks/course_summary/db/upgrade.php
index 1678a1be535..2905aaead7f 100644
--- a/blocks/course_summary/db/upgrade.php
+++ b/blocks/course_summary/db/upgrade.php
@@ -57,5 +57,8 @@ function xmldb_block_course_summary_upgrade($oldversion, $block) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/blocks/html/db/upgrade.php b/blocks/html/db/upgrade.php
index 4b5a51a4a15..7f27cf1fb4f 100644
--- a/blocks/html/db/upgrade.php
+++ b/blocks/html/db/upgrade.php
@@ -42,5 +42,8 @@ function xmldb_block_html_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/blocks/navigation/db/upgrade.php b/blocks/navigation/db/upgrade.php
index 430bb9ed0b9..f137d380fc4 100644
--- a/blocks/navigation/db/upgrade.php
+++ b/blocks/navigation/db/upgrade.php
@@ -64,5 +64,8 @@ function xmldb_block_navigation_upgrade($oldversion, $block) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/blocks/quiz_results/db/upgrade.php b/blocks/quiz_results/db/upgrade.php
index ec753c97bd5..129ecc9e4d4 100644
--- a/blocks/quiz_results/db/upgrade.php
+++ b/blocks/quiz_results/db/upgrade.php
@@ -107,5 +107,8 @@ function xmldb_block_quiz_results_upgrade($oldversion, $block) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
\ No newline at end of file
diff --git a/blocks/recent_activity/db/upgrade.php b/blocks/recent_activity/db/upgrade.php
index 02e8be0f8cf..e2c919342de 100644
--- a/blocks/recent_activity/db/upgrade.php
+++ b/blocks/recent_activity/db/upgrade.php
@@ -56,5 +56,8 @@ function xmldb_block_recent_activity_upgrade($oldversion, $block) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/blocks/rss_client/db/upgrade.php b/blocks/rss_client/db/upgrade.php
index cf8294e831a..b8487d926fa 100644
--- a/blocks/rss_client/db/upgrade.php
+++ b/blocks/rss_client/db/upgrade.php
@@ -53,5 +53,8 @@ function xmldb_block_rss_client_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/blocks/section_links/db/upgrade.php b/blocks/section_links/db/upgrade.php
index 66f79573394..d5707160649 100644
--- a/blocks/section_links/db/upgrade.php
+++ b/blocks/section_links/db/upgrade.php
@@ -58,5 +58,8 @@ function xmldb_block_section_links_upgrade($oldversion, $block) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/blocks/selfcompletion/db/upgrade.php b/blocks/selfcompletion/db/upgrade.php
index 9dee1f5fc6b..374ea53fcd4 100644
--- a/blocks/selfcompletion/db/upgrade.php
+++ b/blocks/selfcompletion/db/upgrade.php
@@ -57,5 +57,8 @@ function xmldb_block_selfcompletion_upgrade($oldversion, $block) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/blocks/settings/db/upgrade.php b/blocks/settings/db/upgrade.php
index bd96db66f64..c435ed78bc6 100644
--- a/blocks/settings/db/upgrade.php
+++ b/blocks/settings/db/upgrade.php
@@ -64,5 +64,8 @@ function xmldb_block_settings_upgrade($oldversion, $block) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/enrol/database/db/upgrade.php b/enrol/database/db/upgrade.php
index a2d2c53ef53..5a44fd78a2d 100644
--- a/enrol/database/db/upgrade.php
+++ b/enrol/database/db/upgrade.php
@@ -36,5 +36,8 @@ function xmldb_enrol_database_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/enrol/flatfile/db/upgrade.php b/enrol/flatfile/db/upgrade.php
index f16aa4d9ffb..8660e338f94 100644
--- a/enrol/flatfile/db/upgrade.php
+++ b/enrol/flatfile/db/upgrade.php
@@ -36,5 +36,8 @@ function xmldb_enrol_flatfile_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/enrol/guest/db/upgrade.php b/enrol/guest/db/upgrade.php
index e1111f76a56..4f44dbea82f 100644
--- a/enrol/guest/db/upgrade.php
+++ b/enrol/guest/db/upgrade.php
@@ -36,5 +36,8 @@ function xmldb_enrol_guest_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/enrol/imsenterprise/db/upgrade.php b/enrol/imsenterprise/db/upgrade.php
index 0bc61348f83..1a7a9ad2930 100644
--- a/enrol/imsenterprise/db/upgrade.php
+++ b/enrol/imsenterprise/db/upgrade.php
@@ -42,5 +42,8 @@ function xmldb_enrol_imsenterprise_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/enrol/manual/db/upgrade.php b/enrol/manual/db/upgrade.php
index 5ec65e3f38c..8207e81d7e0 100644
--- a/enrol/manual/db/upgrade.php
+++ b/enrol/manual/db/upgrade.php
@@ -42,5 +42,8 @@ function xmldb_enrol_manual_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/enrol/mnet/db/upgrade.php b/enrol/mnet/db/upgrade.php
index 2a596416f91..b96eb18b948 100644
--- a/enrol/mnet/db/upgrade.php
+++ b/enrol/mnet/db/upgrade.php
@@ -36,5 +36,8 @@ function xmldb_enrol_mnet_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/enrol/paypal/db/upgrade.php b/enrol/paypal/db/upgrade.php
index 1497469672c..8fab0c7f60f 100644
--- a/enrol/paypal/db/upgrade.php
+++ b/enrol/paypal/db/upgrade.php
@@ -54,5 +54,8 @@ function xmldb_enrol_paypal_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/enrol/self/db/upgrade.php b/enrol/self/db/upgrade.php
index 82bb97d36ac..8be21eaa6e0 100644
--- a/enrol/self/db/upgrade.php
+++ b/enrol/self/db/upgrade.php
@@ -36,5 +36,8 @@ function xmldb_enrol_self_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/filter/mediaplugin/db/upgrade.php b/filter/mediaplugin/db/upgrade.php
index 2a70d6135e2..0e05041de36 100644
--- a/filter/mediaplugin/db/upgrade.php
+++ b/filter/mediaplugin/db/upgrade.php
@@ -41,5 +41,8 @@ function xmldb_filter_mediaplugin_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/filter/tex/db/upgrade.php b/filter/tex/db/upgrade.php
index 14aa3d8ac22..f8320d70a80 100644
--- a/filter/tex/db/upgrade.php
+++ b/filter/tex/db/upgrade.php
@@ -41,5 +41,8 @@ function xmldb_filter_tex_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/grade/grading/form/guide/db/upgrade.php b/grade/grading/form/guide/db/upgrade.php
index eb50b3c8fd1..eb06597c269 100644
--- a/grade/grading/form/guide/db/upgrade.php
+++ b/grade/grading/form/guide/db/upgrade.php
@@ -46,5 +46,8 @@ function xmldb_gradingform_guide_upgrade($oldversion) {
         upgrade_plugin_savepoint(true, 2016051100, 'gradingform', 'guide');
     }
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/grade/grading/form/rubric/db/upgrade.php b/grade/grading/form/rubric/db/upgrade.php
index 68a632f9b52..3d6ca7f90d6 100644
--- a/grade/grading/form/rubric/db/upgrade.php
+++ b/grade/grading/form/rubric/db/upgrade.php
@@ -42,5 +42,8 @@ function xmldb_gradingform_rubric_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/grade/report/user/db/upgrade.php b/grade/report/user/db/upgrade.php
index f79d0d1602c..c80ab9d0862 100644
--- a/grade/report/user/db/upgrade.php
+++ b/grade/report/user/db/upgrade.php
@@ -45,5 +45,8 @@ function xmldb_gradereport_user_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/lib/antivirus/clamav/db/upgrade.php b/lib/antivirus/clamav/db/upgrade.php
index 618657ecab5..45eb5c104ed 100644
--- a/lib/antivirus/clamav/db/upgrade.php
+++ b/lib/antivirus/clamav/db/upgrade.php
@@ -31,5 +31,8 @@ defined('MOODLE_INTERNAL') || die();
  * @return bool
  */
 function xmldb_antivirus_clamav_upgrade($oldversion) {
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/lib/db/upgrade.php b/lib/db/upgrade.php
index 22db5bf9567..ee468b6e9c4 100644
--- a/lib/db/upgrade.php
+++ b/lib/db/upgrade.php
@@ -2069,5 +2069,8 @@ function xmldb_main_upgrade($oldversion) {
         upgrade_main_savepoint(true, 2016051700.01);
     }
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/lib/editor/atto/db/upgrade.php b/lib/editor/atto/db/upgrade.php
index 87a5bcf8e41..c419bf5d08c 100644
--- a/lib/editor/atto/db/upgrade.php
+++ b/lib/editor/atto/db/upgrade.php
@@ -86,5 +86,8 @@ function xmldb_editor_atto_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/lib/editor/atto/plugins/equation/db/upgrade.php b/lib/editor/atto/plugins/equation/db/upgrade.php
index 63a1c85f2a8..1a11a63b063 100644
--- a/lib/editor/atto/plugins/equation/db/upgrade.php
+++ b/lib/editor/atto/plugins/equation/db/upgrade.php
@@ -42,5 +42,8 @@ function xmldb_atto_equation_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
\ No newline at end of file
diff --git a/lib/editor/tinymce/db/upgrade.php b/lib/editor/tinymce/db/upgrade.php
index 14204f5e84d..2ed7bbfdcd5 100644
--- a/lib/editor/tinymce/db/upgrade.php
+++ b/lib/editor/tinymce/db/upgrade.php
@@ -56,5 +56,8 @@ function xmldb_editor_tinymce_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/lib/editor/tinymce/plugins/spellchecker/db/upgrade.php b/lib/editor/tinymce/plugins/spellchecker/db/upgrade.php
index 2186346d6fe..75ed5760e31 100644
--- a/lib/editor/tinymce/plugins/spellchecker/db/upgrade.php
+++ b/lib/editor/tinymce/plugins/spellchecker/db/upgrade.php
@@ -36,5 +36,8 @@ function xmldb_tinymce_spellchecker_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/message/output/email/db/upgrade.php b/message/output/email/db/upgrade.php
index e5ad5311c92..e1a5f2da1ee 100644
--- a/message/output/email/db/upgrade.php
+++ b/message/output/email/db/upgrade.php
@@ -41,5 +41,8 @@ function xmldb_message_email_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/message/output/jabber/db/upgrade.php b/message/output/jabber/db/upgrade.php
index 3979a91a12a..0570cc0c99a 100644
--- a/message/output/jabber/db/upgrade.php
+++ b/message/output/jabber/db/upgrade.php
@@ -41,5 +41,8 @@ function xmldb_message_jabber_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/message/output/popup/db/upgrade.php b/message/output/popup/db/upgrade.php
index 5c088282369..c1834c9cacf 100644
--- a/message/output/popup/db/upgrade.php
+++ b/message/output/popup/db/upgrade.php
@@ -41,5 +41,8 @@ function xmldb_message_popup_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/mod/assign/db/upgrade.php b/mod/assign/db/upgrade.php
index d5e358eb0f4..c0935c5a21d 100644
--- a/mod/assign/db/upgrade.php
+++ b/mod/assign/db/upgrade.php
@@ -197,5 +197,8 @@ function xmldb_assign_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/mod/assign/feedback/comments/db/upgrade.php b/mod/assign/feedback/comments/db/upgrade.php
index 3c35f2f638e..1e0d2dddc49 100644
--- a/mod/assign/feedback/comments/db/upgrade.php
+++ b/mod/assign/feedback/comments/db/upgrade.php
@@ -41,5 +41,8 @@ function xmldb_assignfeedback_comments_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/mod/assign/feedback/editpdf/db/upgrade.php b/mod/assign/feedback/editpdf/db/upgrade.php
index 599653be54e..c8bbaee9ec7 100644
--- a/mod/assign/feedback/editpdf/db/upgrade.php
+++ b/mod/assign/feedback/editpdf/db/upgrade.php
@@ -65,5 +65,8 @@ function xmldb_assignfeedback_editpdf_upgrade($oldversion) {
         upgrade_plugin_savepoint(true, 2016021600, 'assignfeedback', 'editpdf');
     }
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/mod/assign/feedback/file/db/upgrade.php b/mod/assign/feedback/file/db/upgrade.php
index ecfe0bad889..7a0ab504936 100644
--- a/mod/assign/feedback/file/db/upgrade.php
+++ b/mod/assign/feedback/file/db/upgrade.php
@@ -41,5 +41,8 @@ function xmldb_assignfeedback_file_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/mod/assign/submission/comments/db/upgrade.php b/mod/assign/submission/comments/db/upgrade.php
index 273eadee324..5f4d740d6be 100644
--- a/mod/assign/submission/comments/db/upgrade.php
+++ b/mod/assign/submission/comments/db/upgrade.php
@@ -41,5 +41,8 @@ function xmldb_assignsubmission_comments_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/mod/assign/submission/file/db/upgrade.php b/mod/assign/submission/file/db/upgrade.php
index 62f13766e90..9cf89ba54b3 100644
--- a/mod/assign/submission/file/db/upgrade.php
+++ b/mod/assign/submission/file/db/upgrade.php
@@ -41,5 +41,8 @@ function xmldb_assignsubmission_file_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/mod/assign/submission/onlinetext/db/upgrade.php b/mod/assign/submission/onlinetext/db/upgrade.php
index 1b1907f45f6..9189c63a849 100644
--- a/mod/assign/submission/onlinetext/db/upgrade.php
+++ b/mod/assign/submission/onlinetext/db/upgrade.php
@@ -41,5 +41,8 @@ function xmldb_assignsubmission_onlinetext_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/mod/assignment/db/upgrade.php b/mod/assignment/db/upgrade.php
index c083cc44546..e6c5ca36435 100644
--- a/mod/assignment/db/upgrade.php
+++ b/mod/assignment/db/upgrade.php
@@ -33,5 +33,8 @@ function xmldb_assignment_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/mod/book/db/upgrade.php b/mod/book/db/upgrade.php
index f55aab03cf4..53719550814 100644
--- a/mod/book/db/upgrade.php
+++ b/mod/book/db/upgrade.php
@@ -58,5 +58,8 @@ function xmldb_book_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/mod/chat/db/upgrade.php b/mod/chat/db/upgrade.php
index 37e79223852..d947663448d 100644
--- a/mod/chat/db/upgrade.php
+++ b/mod/chat/db/upgrade.php
@@ -36,5 +36,8 @@ function xmldb_chat_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/mod/choice/db/upgrade.php b/mod/choice/db/upgrade.php
index fafd471fb84..290f6ee5d2a 100644
--- a/mod/choice/db/upgrade.php
+++ b/mod/choice/db/upgrade.php
@@ -80,5 +80,8 @@ function xmldb_choice_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/mod/data/db/upgrade.php b/mod/data/db/upgrade.php
index 7ecf15026c0..27abdab14d9 100644
--- a/mod/data/db/upgrade.php
+++ b/mod/data/db/upgrade.php
@@ -79,5 +79,8 @@ function xmldb_data_upgrade($oldversion) {
     }
 
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/mod/feedback/db/upgrade.php b/mod/feedback/db/upgrade.php
index 4d6d36548bb..2e1644ecc38 100644
--- a/mod/feedback/db/upgrade.php
+++ b/mod/feedback/db/upgrade.php
@@ -143,5 +143,8 @@ function xmldb_feedback_upgrade($oldversion) {
         upgrade_mod_savepoint(true, 2016051105, 'feedback');
     }
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/mod/folder/db/upgrade.php b/mod/folder/db/upgrade.php
index 530b818106d..1f9ada9d3d1 100644
--- a/mod/folder/db/upgrade.php
+++ b/mod/folder/db/upgrade.php
@@ -70,5 +70,8 @@ function xmldb_folder_upgrade($oldversion) {
         upgrade_mod_savepoint(true, 2016020201, 'folder');
     }
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/mod/forum/db/upgrade.php b/mod/forum/db/upgrade.php
index 218f527a7e6..942b7608f9d 100644
--- a/mod/forum/db/upgrade.php
+++ b/mod/forum/db/upgrade.php
@@ -174,5 +174,8 @@ function xmldb_forum_upgrade($oldversion) {
         // Forum savepoint reached.
         upgrade_mod_savepoint(true, 2015120800, 'forum');
     }
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/mod/glossary/db/upgrade.php b/mod/glossary/db/upgrade.php
index 34e1d6e6683..c2f52a603ad 100644
--- a/mod/glossary/db/upgrade.php
+++ b/mod/glossary/db/upgrade.php
@@ -48,5 +48,8 @@ function xmldb_glossary_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/mod/imscp/db/upgrade.php b/mod/imscp/db/upgrade.php
index e2d951531c4..f32f8f4c933 100644
--- a/mod/imscp/db/upgrade.php
+++ b/mod/imscp/db/upgrade.php
@@ -40,5 +40,8 @@ function xmldb_imscp_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/mod/label/db/upgrade.php b/mod/label/db/upgrade.php
index eda7448f29f..283b7f78eba 100644
--- a/mod/label/db/upgrade.php
+++ b/mod/label/db/upgrade.php
@@ -56,5 +56,8 @@ function xmldb_label_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/mod/lesson/db/upgrade.php b/mod/lesson/db/upgrade.php
index 4c2a9c0dd86..ca0e48b89d1 100644
--- a/mod/lesson/db/upgrade.php
+++ b/mod/lesson/db/upgrade.php
@@ -384,5 +384,8 @@ function xmldb_lesson_upgrade($oldversion) {
         // Lesson savepoint reached.
         upgrade_mod_savepoint(true, 2016012800, 'lesson');
     }
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/mod/lti/db/upgrade.php b/mod/lti/db/upgrade.php
index c0ab6c357e3..01d3131097f 100644
--- a/mod/lti/db/upgrade.php
+++ b/mod/lti/db/upgrade.php
@@ -194,5 +194,8 @@ function xmldb_lti_upgrade($oldversion) {
         upgrade_mod_savepoint(true, 2016041800, 'lti');
     }
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/mod/page/db/upgrade.php b/mod/page/db/upgrade.php
index 9691188bfdc..d357bcabc4c 100644
--- a/mod/page/db/upgrade.php
+++ b/mod/page/db/upgrade.php
@@ -56,5 +56,8 @@ function xmldb_page_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/mod/quiz/db/upgrade.php b/mod/quiz/db/upgrade.php
index d56585e7aee..f42c0072f83 100644
--- a/mod/quiz/db/upgrade.php
+++ b/mod/quiz/db/upgrade.php
@@ -190,5 +190,8 @@ function xmldb_quiz_upgrade($oldversion) {
         upgrade_mod_savepoint(true, 2016032600, 'quiz');
     }
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/mod/quiz/report/overview/db/upgrade.php b/mod/quiz/report/overview/db/upgrade.php
index ad1e1b41e1a..670cf4c38a4 100644
--- a/mod/quiz/report/overview/db/upgrade.php
+++ b/mod/quiz/report/overview/db/upgrade.php
@@ -40,5 +40,8 @@ function xmldb_quiz_overview_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/mod/quiz/report/statistics/db/upgrade.php b/mod/quiz/report/statistics/db/upgrade.php
index 6664071528f..1169acef51c 100644
--- a/mod/quiz/report/statistics/db/upgrade.php
+++ b/mod/quiz/report/statistics/db/upgrade.php
@@ -39,5 +39,8 @@ function xmldb_quiz_statistics_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/mod/resource/db/upgrade.php b/mod/resource/db/upgrade.php
index f490b910ca7..49c7cec894b 100644
--- a/mod/resource/db/upgrade.php
+++ b/mod/resource/db/upgrade.php
@@ -56,5 +56,8 @@ function xmldb_resource_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/mod/scorm/db/upgrade.php b/mod/scorm/db/upgrade.php
index 73c8818f68c..f08a1e3bcf7 100644
--- a/mod/scorm/db/upgrade.php
+++ b/mod/scorm/db/upgrade.php
@@ -105,5 +105,8 @@ function xmldb_scorm_upgrade($oldversion) {
         upgrade_mod_savepoint(true, 2016021000, 'scorm');
     }
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/mod/survey/db/upgrade.php b/mod/survey/db/upgrade.php
index 53686fd6300..004fc6d871e 100644
--- a/mod/survey/db/upgrade.php
+++ b/mod/survey/db/upgrade.php
@@ -33,5 +33,8 @@ function xmldb_survey_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/mod/url/db/upgrade.php b/mod/url/db/upgrade.php
index 6e7a7d330f7..e17365ea974 100644
--- a/mod/url/db/upgrade.php
+++ b/mod/url/db/upgrade.php
@@ -56,5 +56,8 @@ function xmldb_url_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/mod/wiki/db/upgrade.php b/mod/wiki/db/upgrade.php
index 2614baa0349..a4fc0f744cd 100644
--- a/mod/wiki/db/upgrade.php
+++ b/mod/wiki/db/upgrade.php
@@ -49,5 +49,8 @@ function xmldb_wiki_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/mod/workshop/db/upgrade.php b/mod/workshop/db/upgrade.php
index 9a7c2814b43..cfec75e6d04 100644
--- a/mod/workshop/db/upgrade.php
+++ b/mod/workshop/db/upgrade.php
@@ -68,5 +68,8 @@ function xmldb_workshop_upgrade($oldversion) {
         upgrade_mod_savepoint(true, 2016022200, 'workshop');
     }
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/mod/workshop/form/accumulative/db/upgrade.php b/mod/workshop/form/accumulative/db/upgrade.php
index b1cf88410fc..8beed00956a 100644
--- a/mod/workshop/form/accumulative/db/upgrade.php
+++ b/mod/workshop/form/accumulative/db/upgrade.php
@@ -42,5 +42,8 @@ function xmldb_workshopform_accumulative_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/mod/workshop/form/comments/db/upgrade.php b/mod/workshop/form/comments/db/upgrade.php
index d83a254f509..715ce044efd 100644
--- a/mod/workshop/form/comments/db/upgrade.php
+++ b/mod/workshop/form/comments/db/upgrade.php
@@ -42,5 +42,8 @@ function xmldb_workshopform_comments_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/mod/workshop/form/numerrors/db/upgrade.php b/mod/workshop/form/numerrors/db/upgrade.php
index 89b9d8762ea..e3463121b89 100644
--- a/mod/workshop/form/numerrors/db/upgrade.php
+++ b/mod/workshop/form/numerrors/db/upgrade.php
@@ -42,5 +42,8 @@ function xmldb_workshopform_numerrors_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/mod/workshop/form/rubric/db/upgrade.php b/mod/workshop/form/rubric/db/upgrade.php
index 4bb5d599e59..a6d76436af4 100644
--- a/mod/workshop/form/rubric/db/upgrade.php
+++ b/mod/workshop/form/rubric/db/upgrade.php
@@ -42,5 +42,8 @@ function xmldb_workshopform_rubric_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/portfolio/boxnet/db/upgrade.php b/portfolio/boxnet/db/upgrade.php
index af98aefa538..588bf5ffc99 100644
--- a/portfolio/boxnet/db/upgrade.php
+++ b/portfolio/boxnet/db/upgrade.php
@@ -42,5 +42,8 @@ function xmldb_portfolio_boxnet_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/portfolio/googledocs/db/upgrade.php b/portfolio/googledocs/db/upgrade.php
index 603961d80c6..c02c7690ee5 100644
--- a/portfolio/googledocs/db/upgrade.php
+++ b/portfolio/googledocs/db/upgrade.php
@@ -32,5 +32,8 @@ function xmldb_portfolio_googledocs_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/portfolio/picasa/db/upgrade.php b/portfolio/picasa/db/upgrade.php
index a0efd950faf..ae86c3b8b4e 100644
--- a/portfolio/picasa/db/upgrade.php
+++ b/portfolio/picasa/db/upgrade.php
@@ -32,5 +32,8 @@ function xmldb_portfolio_picasa_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/question/behaviour/manualgraded/db/upgrade.php b/question/behaviour/manualgraded/db/upgrade.php
index 50cce8de23f..4df13413bcf 100644
--- a/question/behaviour/manualgraded/db/upgrade.php
+++ b/question/behaviour/manualgraded/db/upgrade.php
@@ -39,5 +39,8 @@ function xmldb_qbehaviour_manualgraded_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/question/type/calculated/db/upgrade.php b/question/type/calculated/db/upgrade.php
index 92f27606f58..470ceba7ef9 100644
--- a/question/type/calculated/db/upgrade.php
+++ b/question/type/calculated/db/upgrade.php
@@ -41,5 +41,8 @@ function xmldb_qtype_calculated_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/question/type/ddmarker/db/upgrade.php b/question/type/ddmarker/db/upgrade.php
index 282aac5a738..f7041fe7df1 100644
--- a/question/type/ddmarker/db/upgrade.php
+++ b/question/type/ddmarker/db/upgrade.php
@@ -62,5 +62,8 @@ function xmldb_qtype_ddmarker_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/question/type/essay/db/upgrade.php b/question/type/essay/db/upgrade.php
index a33fd4b884f..82f4b657c72 100644
--- a/question/type/essay/db/upgrade.php
+++ b/question/type/essay/db/upgrade.php
@@ -41,5 +41,8 @@ function xmldb_qtype_essay_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/question/type/match/db/upgrade.php b/question/type/match/db/upgrade.php
index 0254001ddc7..af64b37f21e 100644
--- a/question/type/match/db/upgrade.php
+++ b/question/type/match/db/upgrade.php
@@ -40,5 +40,8 @@ function xmldb_qtype_match_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/question/type/multianswer/db/upgrade.php b/question/type/multianswer/db/upgrade.php
index 25b67f89bf5..b247da5c2fc 100644
--- a/question/type/multianswer/db/upgrade.php
+++ b/question/type/multianswer/db/upgrade.php
@@ -124,5 +124,8 @@ function xmldb_qtype_multianswer_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/question/type/multichoice/db/upgrade.php b/question/type/multichoice/db/upgrade.php
index e93815731a9..31f6b7c6245 100644
--- a/question/type/multichoice/db/upgrade.php
+++ b/question/type/multichoice/db/upgrade.php
@@ -41,5 +41,8 @@ function xmldb_qtype_multichoice_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/question/type/numerical/db/upgrade.php b/question/type/numerical/db/upgrade.php
index 20f8ea9c6a3..a4f1f206949 100644
--- a/question/type/numerical/db/upgrade.php
+++ b/question/type/numerical/db/upgrade.php
@@ -41,5 +41,8 @@ function xmldb_qtype_numerical_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/question/type/random/db/upgrade.php b/question/type/random/db/upgrade.php
index 4d354095afa..7856189ccb3 100644
--- a/question/type/random/db/upgrade.php
+++ b/question/type/random/db/upgrade.php
@@ -51,5 +51,8 @@ function xmldb_qtype_random_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/question/type/randomsamatch/db/upgrade.php b/question/type/randomsamatch/db/upgrade.php
index 890b2bf8362..99d9fcfd1db 100644
--- a/question/type/randomsamatch/db/upgrade.php
+++ b/question/type/randomsamatch/db/upgrade.php
@@ -40,5 +40,8 @@ function xmldb_qtype_randomsamatch_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/question/type/shortanswer/db/upgrade.php b/question/type/shortanswer/db/upgrade.php
index e605fc83a05..ff2a16e0686 100644
--- a/question/type/shortanswer/db/upgrade.php
+++ b/question/type/shortanswer/db/upgrade.php
@@ -41,5 +41,8 @@ function xmldb_qtype_shortanswer_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/repository/alfresco/db/upgrade.php b/repository/alfresco/db/upgrade.php
index 3b4f45ffd66..4e766bff693 100644
--- a/repository/alfresco/db/upgrade.php
+++ b/repository/alfresco/db/upgrade.php
@@ -42,5 +42,8 @@ function xmldb_repository_alfresco_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/repository/boxnet/db/upgrade.php b/repository/boxnet/db/upgrade.php
index 774e637ad0d..a664f3a8a18 100644
--- a/repository/boxnet/db/upgrade.php
+++ b/repository/boxnet/db/upgrade.php
@@ -42,5 +42,8 @@ function xmldb_repository_boxnet_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/repository/dropbox/db/upgrade.php b/repository/dropbox/db/upgrade.php
index 3e25c1f5257..1be51fa4035 100644
--- a/repository/dropbox/db/upgrade.php
+++ b/repository/dropbox/db/upgrade.php
@@ -32,5 +32,8 @@ function xmldb_repository_dropbox_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/repository/googledocs/db/upgrade.php b/repository/googledocs/db/upgrade.php
index 65d9fa80acf..63275d8f571 100644
--- a/repository/googledocs/db/upgrade.php
+++ b/repository/googledocs/db/upgrade.php
@@ -32,5 +32,8 @@ function xmldb_repository_googledocs_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/repository/picasa/db/upgrade.php b/repository/picasa/db/upgrade.php
index ec2fe8afc48..88ff113dc90 100644
--- a/repository/picasa/db/upgrade.php
+++ b/repository/picasa/db/upgrade.php
@@ -32,5 +32,8 @@ function xmldb_repository_picasa_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }
diff --git a/theme/more/db/upgrade.php b/theme/more/db/upgrade.php
index aa97060a713..7b4da19d4fe 100644
--- a/theme/more/db/upgrade.php
+++ b/theme/more/db/upgrade.php
@@ -42,5 +42,8 @@ function xmldb_theme_more_upgrade($oldversion) {
     // Moodle v3.0.0 release upgrade line.
     // Put any upgrade step following this.
 
+    // Moodle v3.1.0 release upgrade line.
+    // Put any upgrade step following this.
+
     return true;
 }