Arguably hybrids rely on software much more than EVs do since it has to all the motor/battery management EVs do, but also coordination with the engine and transmission which EVs do not have, and Toyota has been the leader in that area for almost 3 decades now.
Unless you mean software as in fart apps on the touch screen, then yeah, Toyota lags in that department.
Toyotas in car software and UX is atrocious