There’s lots of partial/out-of-date info on this so I thought I’d post what actually worked for me. Configure terminfoCreate xterm-256color-italic.terminfo: xterm-256color-italic|xterm with 256 colors and italic, sitm=\E[3m, ritm=\E[23m, use=xterm-256color,And tmux-256color.terminfo: tmux-256color|tmux with 256 colors, ritm=\E[23m, rmso=\E[27m, sitm=\E[3m, smso=\E[7m, Ms@, khome=\E[1~, kend=\E[4~,