Off-topic: I wonder when Wolfram engineers will discover the technology of Redo (a.k.a. Ctrl-Y,) so I won't have to be mortally afraid of hitting Ctrl-Z and los

Off-topic: I wonder when Wolfram engineers will discover the technology of Redo (a.k.a. Ctrl-Y,) so I won't have to be mortally afraid of hitting Ctrl-Z and losing my work every time I work with Wolfram Mathematica.