I built Nightly from source for the very first time just a few days ago. I'm using it now, to read HN. In my experience, many things are broken. As far as I

I built Nightly from source for the very first time just a few days ago. I'm using it now, to read HN. In my experience, many things are broken. As far as I can tell, the broken stuff all has to do with Javascript. If I find that a website won't work with Nightly, it generally will with an official release build of Firefox.