https://gitlab.xfce.org/xfce/thunar/-/issues/1130
option to disable " - Thunar" in the titlebar (#1130) · Issues · Xfce / thunar · GitLab
hey there so from thunar 4.16 to thunar 4.18, now thunar displays some extra unnecessary content in the titlebar folowong the folder name:
in theoptiondisablethunartitlebar