Apple Inc. unveiled the next generation of its artificial intelligence platform, including an update to its Siri digital assistant. Read now

At its annual developers' conference, Apple put the spotlight on new AI features, while highlighting security and child safety — and critiquing the company's AI competitors.

Polls have found the U.S. public uneasy about AI, and while Apple customers in other major markets such as China view AI more positively, Apple has historically never embraced…