Mozilla Connect

The down-pointing arrows next to some icons in the main toolbar have always been useless. I guess they mean "this icon is not a button, it opens a menu", or something like that. We are all used to it and the new user can discover that just by hoverin...

As Thunderbird icons have kept shrinking and become more cryptic (not to say "badly designed"), the offline icon has turned into what must be a one-pixel-wide red line across some nearly invisible (in dark mode) approximation of "antenna waves" or so...