i can reproduce again.
steps to reproduce:
- have vertical tabs enabled and bookmarks bar hidden
- hide vertical tabs. (now u cant see ur tabs anywhere)
- open new window
- open sidebar (to show your vertical tabs)
- toggle bookmarks bar
video:
btw, i have customized the shortcuts.
shortcut for toggling vertical tabs: cmd-ctrl-v
shortcut for opening/closing sidebar: cmd-ctrl-s
(these steps also cause the bookmarks bar items to be shifted over.