1f5f4587__org___A_self_referential_site__Description
[Migrate?] No [LOE] None [File] _hack_utf8_slugs.php [Description] 
Sanitize URL’s with dashes (Previous versions of bbPress didn’t try using mb_strtolower(), so all slugs were in original case. This makes the slug in the database and the one which we test again different, which causes 404s.)
WordPress › Make WordPress.org « A self-referential site
Description