I've used a custom key config for my controller set in the game's menu since the day I got the game. Originally it worked okay, but now the menu becomes unusable. I have to choose default controls or no menu. Any suggestions?

There's a fix here: http://www.gamesas.com/index.php?/topic/1298537-having-trouble-with-your-360-gamepadfix/page__st__20__p__19561742#entry19561742

Worked mostly

So when is Bethesda actually gonna fix this, or is this not even on their "to do" list?

This problem persists and nothing actually fixes it. I like that fans have made a way to sorta fix this but this is core game functionality, this is corporate's responsibility to fix.

I started out at 1.3.10.0 and have used the controller from day one and no issues, Update's probably messed up key bindings for you, could try deleting both INI files and then reset the controls within Skyrim itself and see if that works.

Default controls for this game svck. Try switching to modern warfare type control config and see how well it works in the menu

The default controls make a hell of a lot of sense to me