In Firefox, version prior to 35.0 window.location were returning decoded square brackets (ex.: http://example.org/something[values]) like all other browsers we are supporting for our website. In Firefox 35.0 and 35.0.1, square brackets are encoded (http://example.org/something%5Bvalues%5D). Is this change done voluntary or is it a bug as a side effect of something? We are using Sammy.js to create route to access different pages of the website, and some routes are broken since version 35 because the square brackets are no more detected by sammy. We can modify the library to decode the URI before doing the comparison, but I will prefer avoid modifying external library.