The command bar now supports better keybindings:

CtrlA, CtrlLeft: start of line
CtrlE, CtrlRight: end of line
CtrlF, AltRight: next word
CtrlB, AltLeft: previous word
CtrlW, AltBackspace: delete previous word
CtrlV: Paste
Arrow keys as usual

These keybindings are not rebindable (maybe support will be added
in the future).