Since v1.1.0, it seems that Lodash created a bug when passing an iteration from forEach to forOwn.

I only tested it with the Lodash.underscore so I can't say if it's limited to this build in particular.

I've been able to fix the bug in the underscore build by changing line 745 by this one using call to keep the this value:

if (callback.call(thisArg, iterable[index], index, collection) === indicatorObject) return result;

I'd send a pull request, but I'm not sure how this all work with the build and the system. I hope this helps a little.