Apple’s Worldwide Developers Conference 2026 delivered one of the most anticipated iOS updates in years, with iOS 27 bringing sweeping changes to the iPhone experience across AI integration, customization, communication, and privacy. The announcement confirmed rumors that had been building for months and gave developers the first look at the capabilities they will be able to build on top of for the coming year.

iOS 27 represents Apple’s continued deepening of Apple Intelligence, the company’s AI framework that debuted in iOS 18 and has been expanding with each subsequent release. This year’s additions go substantially beyond the writing tools and notification summaries of previous iterations, moving into territory that competitors like Google and Samsung have occupied for longer and that Apple is now entering with its characteristic emphasis on on-device processing and privacy.

The Biggest iOS 27 Features

The headline feature of iOS 27 is a fundamentally redesigned Siri that can act as a genuine assistant rather than a voice-interface shortcut launcher. The new Siri can carry context across multi-step requests, take actions across multiple apps in sequence, and access personal context – calendar, emails, messages, photos – to give answers that are relevant to the user’s actual life rather than generic web searches. This is the vision for Siri that Apple has been working toward for years, and iOS 27 appears to be the release where it substantially arrives.

• Apple Intelligence expanded: On-device AI processing for writing, image generation, and smart replies now extends to third-party apps through new APIs that give developers access to the same models used by Apple’s own apps.
• RCS and satellite messaging: Full RCS support improvements and expanded satellite connectivity for emergency communication in more scenarios.
• Customizable home screen: Live widgets, tinted icons, and layout customization options that exceed what was previously possible go further than iOS 18’s customization additions.
• Camera AI: Real-time scene recognition and photography assistance that suggests settings based on what the camera is pointed at and identifies subjects for information lookup.

Privacy and Security Updates

Every major iOS release includes privacy enhancements, and iOS 27 continues this with new permissions granularity for AI features specifically. Users can control exactly which personal data categories Apple Intelligence can access, with detailed dashboards showing what information has been used for what purposes. This transparency layer is a direct response to the perception that AI assistants are data-hungry and opaque about what they know.

Frequently Asked Questions

Which iPhones will support iOS 27?

Apple has not yet published the full compatibility list, but based on historical patterns, iOS 27 is expected to support iPhone XS and later, with some Apple Intelligence features requiring iPhone 15 Pro or iPhone 16 series hardware for on-device processing performance.