I think I previously had that icon at the end of last open tab
clicking that would open a new blank tab at the end.
when I "reset ff", it has gone.
I am missing the convenience of that. Without it, middle click on
"no-tab" area in tab bar does open new tab, but then, open tabs fill
up entire tab bar and reach upto the icons customized at the end, so
there is no place remaining to middle click.
Also, drag dropping a link to that "open new tab" icon used to open
that link in a new tab. currently, dropping a link to empty area in
tab bar doesn't have any effect.
I don't think I was using any add on to get that icon. It was just
there, might be some about:config setting.
So, can anyone please tell me how to get that icon at the end of last
open tab on tab bar.