I’ve just boarded TTNR, which is one of the youngest aircraft in the fleet, and I immediately noticed the lockers are noticeably larger. I am almost certain they were smaller on TTNC, which I flew on the OB.

Closer inspection reveals they’re designed to take a standard wheel bag on its size. A great idea, and I’m.not noticing any loss of headroom. But does anyone know when did this change occur? It is clearly new, but I am curious/geekily eager to know which aircraft was the first! And what else am I missing? HELP!