Yes -No - Yes - No
In typical UK MOD bungling style, it was going to have steam catapults, then it wasn't, then some fancy electro-magnetic linear motor catapult, then nothing. Multiply this sort of faffing about for every system aboard and I wonder it hasn't cost ten times its already staggering cost. Still six years to finish it, so plenty of opportunities to add / delete / add again countless bits of technology. . . .