STR: 1. Open some tabs 2. Open Customization mode via Menu Panel 3. Switch to another tab 4. Open Customization mode via Menu Panel (again) Expected: Switch to customization tab. Actual: Switch to customization tab, but breaks the mode.

Can't reproduce this on current OS X builds. Can you try this build? I suspect Jared's fix for undo close tab fixed this: http://ftp.mozilla.org/pub/mozilla.org/firefox/tinderbox-builds/ux-macosx64/1369751904/firefox-24.0a1.en-US.mac.dmg

(In reply to :Gijs Kruitbosch from comment #1) > Can't reproduce this on current OS X builds. Can you try this build? I > suspect Jared's fix for undo close tab fixed this: > http://ftp.mozilla.org/pub/mozilla.org/firefox/tinderbox-builds/ux-macosx64/ > 1369751904/firefox-24.0a1.en-US.mac.dmg Egh, scratch that, I can reproduce weirdness, at the very least.

First to review wins! I had this in my patch for the "undo close tab" bug but the patch worked fine without it. It seems that the change was necessary after all :)

Comment on attachment 755021 [details] [diff] [review] Patch Oh yeah, totally. How did that stuff get down there after the beforecustomization event fires? :/ I have a sneaking suspicion that was my bad. r=me.