twitter/bootstrap — pull request #7257 by jacobstr (2013-03-12 20:20:37+00:00)
Title: Fix for sticky dropdown buttons initialized with the javascript api and ...

...without the data-toggle attribute.

See #4760

I experienced the same issue. The clearMenus call was using the toggle selector to locate dropdowns, but if you're not using the data api these weren't targeted.

Of course, other parts of our code do use the data api so we don't want to disable it entirely.