Comment 23 for bug 175904

Simos Xenitellis wrote:
> 2. set browser.tabs.loadDivertedInBackground to True

awesome. this is still a workaround though, since this makes the tab not to be
focused and that means if you have many tabs opened (so many that they take all
the tab bar) the new tab won't be shown and you may not notice it's been opened.

But this is indeed better that the previous behaviour.