Apple Inc. is aiming to release smart glasses at the end of next year as part of a push into AI-enhanced gadgets, but it has shelved plans for a smartwatch that can analyze its surroundings with a built-in camera. Company engineers are ramping up work on the glasses — a rival to Meta Platforms Inc.’s popular Ray-Bans — in a bid to meet the year-end 2026 target, according to people with knowledge of the matter. Apple will start producing large quantities of prototypes at the end of this year with...