[Fix] Fix function to recalculate Nested Sets (Bug #41555 - Patch by EXreaction)
[Fix] Display and highlight already used rank images while assigning new rank (Bug #22665 - Patch by nickvergessen)
[Fix] Empty error message in UCP folder management when creating folder without name (Bug #39875 - Patch by nickvergessen)
+
[Fix] Wrong description in UCP group managment implicates missing feature (Bug #19945 - Patch by nickvergessen)
[Change] Change the data format of the default file ACM to be more secure from tampering and have better performance.
[Change] Add index on log_time to the log table to prevent slowdown on boards with many log entries. (Bug #44665 - Patch by bantu)
[Change] Template engine now permits to a limited extent variable includes.
diff --git a/phpBB/language/en/ucp.php b/phpBB/language/en/ucp.php
index 282accdd03..d6148a737b 100644
--- a/phpBB/language/en/ucp.php
+++ b/phpBB/language/en/ucp.php
@@ -79,6 +79,7 @@ $lang = array_merge($lang, array(
'ADD_NEW_RULE' => 'Add new rule',
'ADD_RULE' => 'Add rule',
'ADD_TO' => 'Add [To]',
+ 'ADD_USERS_UCP_EXPLAIN' => 'Here you can add new users to the group. You may select whether this group becomes the new default for the selected users. Please enter each username on a separate line.',
'ADMIN_EMAIL' => 'Administrators can e-mail me information',
'AGREE' => 'I agree to these terms',
'ALLOW_PM' => 'Allow users to send you private messages',
diff --git a/phpBB/styles/prosilver/template/ucp_groups_manage.html b/phpBB/styles/prosilver/template/ucp_groups_manage.html
index 47a8acb13a..2171250621 100644
--- a/phpBB/styles/prosilver/template/ucp_groups_manage.html
+++ b/phpBB/styles/prosilver/template/ucp_groups_manage.html
@@ -170,7 +170,7 @@