Version 4.7.23

applications/core/modules/front/discover/streams.php

@@ -1003,6 +1003,7 @@ class _streams extends \IPS\Dispatcher\Controller
 	protected function _rebuildStreams()
 	{
 		$default = \IPS\Member::loggedIn()->defaultStream;
+		/* @note SELECT_FROM_WRITE_SERVER: Avoid race conditions when the writer has the new stream in the table, but the reader may not */
 		\IPS\Member::loggedIn()->member_streams = json_encode( array( 'default' => $default, 'streams' => iterator_to_array( \IPS\Db::i()->select( 'id, title', 'core_streams', array( '`member`=?', \IPS\Member::loggedIn()->member_id ), NULL, NULL, NULL, NULL, \IPS\Db::SELECT_FROM_WRITE_SERVER )->setKeyField('id')->setValueField('title') ) ) );
 		\IPS\Member::loggedIn()->save();
 	}