> Frankly, it's kind of stunning to me that one terminal app on macOS has more useful features than the plethora of me-too terminals on Linux
If by "useful features" you mean intercepting tmux output and having it integrate with the terminal, then no. But more generally, I think the closest thing to iTerm2 on Linux is Tilix [1].
If by "useful features" you mean intercepting tmux output and having it integrate with the terminal, then no. But more generally, I think the closest thing to iTerm2 on Linux is Tilix [1].
[1] https://gnunn1.github.io/tilix-web/