> Don't forget colorways, the non-feature that still needed to be force-fed to us. I assumed people who wanted to change the color theme already could
Most average users don't ever change settings or otherwise customize stuff, but that doesn't mean they wouldn't enjoy a different theme. Colorways saw good adoption according to our internal Telemetry. In fact, three years later colorway themes combined remain more popular than either Dark, Light, or Alpenglow, despite not being offered or advertised directly in Firefox anymore.
Most average users don't ever change settings or otherwise customize stuff, but that doesn't mean they wouldn't enjoy a different theme. Colorways saw good adoption according to our internal Telemetry. In fact, three years later colorway themes combined remain more popular than either Dark, Light, or Alpenglow, despite not being offered or advertised directly in Firefox anymore.