Moving on, time to actually talk about r3dfox here.
The UI improvements you made are actually quite promising, and there's some other things I like here too, like the fact you actually bothered to fix the bug with the menu bar; the custom tabs and scrollbars are actually pretty neat, too. Apart from the fact there's no en-GB localisation
However, I have a bunch of nitpicks about the settings and whatnot to comment on. Most of this is written in a fairly harsh manner, which might seem like I'm being a dickhead, and some of it is subjective, so take what you will from it.
- There's an annoying 1px line at the bottom of the favourites bar. Not to mention the weird cutoff of the UI in general on the sides just looks... awkward, to say the least. Dunno if that can be helped or not, though.
- The title bar being disabled out of the box is a dumb decision, given the menu bar is enabled.
- The menu bar still looks weird on Vista (presumably 7 too) - literally impossible to get right, it seems. Making the window smaller seems to mitigate the effect a little bit but still, it just annoys me to the point I had to disable it.
- I can't get rid of the 'list all tabs' thing, either. Unless there's a setting I'm missing, which is just bad UI design in itself as one should be able to remove and move the icon like the new tab and other stuff.
- For some reason you can't prevent the icon from being added to the quick launch bar during installation, and it still asks you about the 'taskbar' on Vista. The installer also seems to be able to run despite the prerequisite updates not being installed (a common issue with literally every piece of software ever that was made after 2017 for some reason).
- Do-Not-Track is useless, and actually makes you easier to fingerprint, and has been a deprecated HTTP header for a while IIRC - it's better to remove support for it altogether.
- Default browser can't be set on Vista, at least. Maybe I need to run as administrator, but it should do a UAC prompt there instead.
- Bring back the setting for the new tab page that was removed in Firefox 47 or so. That was another thing they only did because Chrome did it.
- Why isn't the tracker protection mode on strict mode? I'm guessing Reddit broke or something and it sent your neckbeard in a twisted frenzy.
- Why do you feel the need to enforce dark theme as default?
