For aesthetics and anti-stupidity's sake, might I also recommend:

browser.urlbar.trimURLs

False.

It is possible that I'm so culturally eccentric that the obstruction of useful information fails to appeal to me.

Thanks.

They were already off for me, and I don't remember being asked about enabling them after an install...

They won't ask or inform you of this it just gets enabled. (Currently just in US). HN discussion from yesterday: https://news.ycombinator.com/item?id=28804588

There were stories about it a few days ago. It's US only thing, for now.