8 files changed, 43 insertions, 13 deletions
diff --git a/phpBB/includes/functions_download.php b/phpBB/includes/functions_download.php
index 7be12baa13..1f409be58c 100644
--- a/phpBB/includes/functions_download.php
+++ b/phpBB/includes/functions_download.php
@@ -196,7 +196,7 @@ function send_file_to_browser($attachment, $upload_dir, $category)
 	}
 
 	// Now the tricky part... let's dance
-	header('Cache-Control: public');
+	header('Cache-Control: private');
 
 	// Send out the Headers. Do not set Content-Disposition to inline please, it is a security measure for users using the Internet Explorer.
 	header('Content-Type: ' . $attachment['mimetype']);
@@ -451,7 +451,7 @@ function set_modified_headers($stamp, $browser)
 		{
 			send_status_line(304, 'Not Modified');
 			// seems that we need those too ... browsers
-			header('Cache-Control: public');
+			header('Cache-Control: private');
 			header('Expires: ' . gmdate('D, d M Y H:i:s', time() + 31536000) . ' GMT');
 			return true;
 		}
diff --git a/phpBB/includes/functions_messenger.php b/phpBB/includes/functions_messenger.php
index 4f0d40031d..f44bcc6fb7 100644
--- a/phpBB/includes/functions_messenger.php
+++ b/phpBB/includes/functions_messenger.php
@@ -181,10 +181,9 @@ class messenger
 	/**
 	* Adds X-AntiAbuse headers
 	*
-	* @param array $config		Configuration array
-	* @param user $user			A user object
-	*
-	* @return null
+	* @param \phpbb\config\config	$config		Config object
+	* @param \phpbb\user			$user		User object
+	* @return void
 	*/
 	function anti_abuse_headers($config, $user)
 	{
diff --git a/phpBB/includes/functions_posting.php b/phpBB/includes/functions_posting.php
index 5b7e0eafd6..c5a7400ddf 100644
--- a/phpBB/includes/functions_posting.php
+++ b/phpBB/includes/functions_posting.php
@@ -1308,6 +1308,7 @@ function delete_post($forum_id, $topic_id, $post_id, &$data, $is_soft = false, $
 				delete_topics('topic_id', array($topic_id), false);
 
 				$phpbb_content_visibility->remove_topic_from_statistic($data, $sql_data);
+				$config->increment('num_posts', -1, false);
 
 				$update_sql = update_post_information('forum', $forum_id, true);
 				if (count($update_sql))
diff --git a/phpBB/language/en/acp/permissions_phpbb.php b/phpBB/language/en/acp/permissions_phpbb.php
index 64740b311b..2c7b3d3aee 100644
--- a/phpBB/language/en/acp/permissions_phpbb.php
+++ b/phpBB/language/en/acp/permissions_phpbb.php
@@ -81,8 +81,8 @@ $lang = array_merge($lang, array(
 	'ACL_U_SIG'			=> 'Can use signature',
 
 	'ACL_U_SENDPM'		=> 'Can send private messages',
-	'ACL_U_MASSPM'		=> 'Can send messages to multiple users',
-	'ACL_U_MASSPM_GROUP'=> 'Can send messages to groups',
+	'ACL_U_MASSPM'		=> 'Can send private messages to multiple users',
+	'ACL_U_MASSPM_GROUP'=> 'Can send private messages to groups',
 	'ACL_U_READPM'		=> 'Can read private messages',
 	'ACL_U_PM_EDIT'		=> 'Can edit own private messages',
 	'ACL_U_PM_DELETE'	=> 'Can remove private messages from own folder',
diff --git a/phpBB/phpbb/auth/provider/oauth/oauth.php b/phpBB/phpbb/auth/provider/oauth/oauth.php
index 5e8cb3dea8..1a3083d42e 100644
--- a/phpBB/phpbb/auth/provider/oauth/oauth.php
+++ b/phpBB/phpbb/auth/provider/oauth/oauth.php
@@ -264,7 +264,7 @@ class oauth extends \phpbb\auth\provider\base
 			}
 
 			// Retrieve the user's account
-			$sql = 'SELECT user_id, username, user_password, user_passchg, user_email, user_type, user_login_attempts
+			$sql = 'SELECT user_id, username, user_password, user_passchg, user_email, user_ip, user_type, user_login_attempts
 				FROM ' . $this->users_table . '
 					WHERE user_id = ' . (int) $row['user_id'];
 			$result = $this->db->sql_query($sql);
diff --git a/phpBB/phpbb/auth/provider/provider_interface.php b/phpBB/phpbb/auth/provider/provider_interface.php
index 35e0f559a1..463324ff46 100644
--- a/phpBB/phpbb/auth/provider/provider_interface.php
+++ b/phpBB/phpbb/auth/provider/provider_interface.php
@@ -71,9 +71,10 @@ interface provider_interface
 	 * options with whatever configuraton values are passed to it as an array.
 	 * It then returns the name of the acp file related to this authentication
 	 * provider.
-	 * @param	array	$new_config Contains the new configuration values that
-	 *								have been set in acp_board.
-	 * @return	array|null		Returns null if not implemented or an array with
+	 *
+	 * @param \phpbb\config\config	$new_config	Contains the new configuration values
+	 * 											that have been set in acp_board.
+	 * @return array|null		Returns null if not implemented or an array with
 	 *							the template file name and an array of the vars
 	 *							that the template needs that must conform to the
 	 *							following example:
diff --git a/phpBB/phpbb/db/migration/data/v32x/timezone_p3.php b/phpBB/phpbb/db/migration/data/v32x/timezone_p3.php
new file mode 100644
index 0000000000..433f62ace9
--- /dev/null
+++ b/phpBB/phpbb/db/migration/data/v32x/timezone_p3.php
@@ -0,0 +1,29 @@
+<?php
+/**
+*
+* This file is part of the phpBB Forum Software package.
+*
+* @copyright (c) phpBB Limited <https://www.phpbb.com>
+* @license GNU General Public License, version 2 (GPL-2.0)
+*
+* For full copyright and license information, please see
+* the docs/CREDITS.txt file.
+*
+*/
+
+namespace phpbb\db\migration\data\v32x;
+
+class timezone_p3 extends \phpbb\db\migration\migration
+{
+	static public function depends_on()
+	{
+		return array('\phpbb\db\migration\data\v310\timezone');
+	}
+
+	public function update_data()
+	{
+		return array(
+			array('config.remove', array('board_dst')),
+		);
+	}
+}
diff --git a/phpBB/phpbb/db/tools/tools.php b/phpBB/phpbb/db/tools/tools.php
index d21d34b8a9..c3352a1f66 100644
--- a/phpBB/phpbb/db/tools/tools.php
+++ b/phpBB/phpbb/db/tools/tools.php
@@ -576,7 +576,7 @@ class tools implements tools_interface
 			{
 				foreach ($indexes as $index_name)
 				{
-					if (!$this->sql_index_exists($table, $index_name))
+					if (!$this->sql_index_exists($table, $index_name) && !$this->sql_unique_index_exists($table, $index_name))
 					{
 						continue;
 					}