4 files changed, 3 insertions, 12 deletions
diff --git a/phpBB/install/convertors/convert_phpbb20.php b/phpBB/install/convertors/convert_phpbb20.php
index d09f71ae22..4ec408a670 100644
--- a/phpBB/install/convertors/convert_phpbb20.php
+++ b/phpBB/install/convertors/convert_phpbb20.php
@@ -38,7 +38,7 @@ $dbms = $phpbb_config_php_file->convert_30_dbms_to_31($dbms);
 $convertor_data = array(
 	'forum_name'	=> 'phpBB 2.0.x',
 	'version'		=> '1.0.3',
-	'phpbb_version'	=> '3.1.0-RC3',
+	'phpbb_version'	=> '3.1.0-RC4',
 	'author'		=> '<a href="https://www.phpbb.com/">phpBB Limited</a>',
 	'dbms'			=> $dbms,
 	'dbhost'		=> $dbhost,
diff --git a/phpBB/install/database_update.php b/phpBB/install/database_update.php
index 5cf01fec79..8016ff349b 100644
--- a/phpBB/install/database_update.php
+++ b/phpBB/install/database_update.php
@@ -181,17 +181,9 @@ $phpbb_extension_manager = $phpbb_container->get('ext.manager');
 $migrations = $phpbb_extension_manager
 	->get_finder()
 	->core_path('phpbb/db/migration/data/')
-	->extension_directory('/migration')
-	->get_classes();
-
-// @deprecated 3.1.0-RC4 (To be removed: 3.2.0)
-$migrations_deprecated = $phpbb_extension_manager
-	->get_finder()
 	->extension_directory('/migrations')
 	->get_classes();
 
-$migrations = array_merge($migrations, $migrations_deprecated);
-
 $migrator->set_migrations($migrations);
 
 // What is a safe limit of execution time? Half the max execution time should be safe.
diff --git a/phpBB/install/index.php b/phpBB/install/index.php
index 2e497da3db..5c16421499 100644
--- a/phpBB/install/index.php
+++ b/phpBB/install/index.php
@@ -445,8 +445,7 @@ class module
 
 		header('Content-type: text/html; charset=UTF-8');
 		header('Cache-Control: private, no-cache="set-cookie"');
-		header('Expires: 0');
-		header('Pragma: no-cache');
+		header('Expires: ' . gmdate('D, d M Y H:i:s', time()) . ' GMT');
 
 		return;
 	}
diff --git a/phpBB/install/schemas/schema_data.sql b/phpBB/install/schemas/schema_data.sql
index 90b1ac8f92..baabe90f2a 100644
--- a/phpBB/install/schemas/schema_data.sql
+++ b/phpBB/install/schemas/schema_data.sql
@@ -273,7 +273,7 @@ INSERT INTO phpbb_config (config_name, config_value) VALUES ('tpl_allow_php', '0
 INSERT INTO phpbb_config (config_name, config_value) VALUES ('upload_icons_path', 'images/upload_icons');
 INSERT INTO phpbb_config (config_name, config_value) VALUES ('upload_path', 'files');
 INSERT INTO phpbb_config (config_name, config_value) VALUES ('use_system_cron', '0');
-INSERT INTO phpbb_config (config_name, config_value) VALUES ('version', '3.1.0-RC4-dev');
+INSERT INTO phpbb_config (config_name, config_value) VALUES ('version', '3.1.0-RC5-dev');
 INSERT INTO phpbb_config (config_name, config_value) VALUES ('warnings_expire_days', '90');
 INSERT INTO phpbb_config (config_name, config_value) VALUES ('warnings_gc', '14400');