I was surprised this morning when I did my update to today’s newest nightly of Namoroka and all of my extensions were disabled. I was extra-surprised when I tried enabling my extensions with Nightly Tester Tools and it didn’t work. Turns out that Mossop’s been busy implementing a patch for bug 521905.
Now for version 3.6b3 and above, you’ll have to set a per-application version in about:config that looks like this:
See Mossop’s post on the topic for the deep story.