id	summary	reporter	owner	description	type	status	priority	milestone	component	version	severity	resolution	keywords	cc
15411	site-users.php should use API to fetch roles	ryan		"{{{
get_blog_option( $id, ""{$blog_prefix}user_roles"" )
}}}

That won't work on sites that hard code a roles array in memory. API should be used to fetch the roles.  Otherwise you can end up with:

{{{
Warning: Invalid argument supplied for foreach() in /..l/wp-admin/network/site-users.php on line 149
}}}"	defect (bug)	closed	normal	3.5	Multisite		normal	fixed