The ability to detach a tab by dragging it out of the tab bar would be nice. This would also suggest a natural way of attaching a tab to another window, by dragging the tab into it.
Git commit 21ca9adf6bdef637872dbe0deea8e8098d736ce0 by David Rosca. Committed on 01/01/2018 at 15:58. Pushed by drosca into branch 'master'. TabBar: Add support for drag&drop tabs to other windows Also it is possible to detach tab by dragging it outside of tabbar. M +79 -27 src/lib/tabwidget/tabbar.cpp M +2 -2 src/lib/tabwidget/tabbar.h M +3 -2 src/lib/tabwidget/tabwidget.cpp https://commits.kde.org/falkon/21ca9adf6bdef637872dbe0deea8e8098d736ce0