In Doctor Who season 14, episode 6, "Rogue," Ncuti Gatwa's Fifteenth Doctor showcases a new facet of his Sonic Screwdriver that his predecessors either didn't utilize or never had access to.

The answer to both of these questions is a vague shrug of the shoulders because, as far as we know, no other Sonic Screwdriver has ever required a crystal battery. Nonetheless, Ncuti Gatwa states ...