Apple Inc.’s top executive overseeing its Siri virtual assistant told staff that delays to key features have been ugly and embarrassing, and a decision to publicly promote the technology before it was ready made matters worse.

A top Apple executive labeled the company’s AI delays “ugly and embarrassing.” Apple’s stock fell 16% this year through Thursday’s close, while Palantir led a

Apple says the highly-anticipated AI overhaul that would give Siri to more contextual awareness and get work done across different apps will arrive next year.