It's not just about shortage of chips.
It's Indus Toyota strategy of grabbing market share for Yaris. Which is not bad since Honda Atlas withheld crucial information about city. A majority investor mafia made bookings for city, as a result genuine buyers shifted to Yaris because of Toyota badge and reliability instead of Alsvin.
That is why full production of Yaris is going on and reduced production of corolla, Hilux and fortuner and thereby late deliveries for all these models expect Yaris.
For now selling Yaris is top priority for Toyota Indus as very soon market appetite is going to be reduced , which is visible from lower premium for City