Apple opened its developer conference in the familiar tone set by Tim Cook’s “Good morning!” remark. The company announced that Tim Cook will step down as CEO at the end of August and hand operational leadership to John Ternus; Cook will become chairman of Apple’s board in September. The leadership change marks the end of an era while day-to-day development continues.
WWDC priorities
Apple framed this year’s announcements around three priorities: stability, security and artificial intelligence. The forthcoming updates include both visual refinements and deeper system-level improvements across Apple’s platforms.
Visual updates and performance improvements
- The Liquid Design language introduced last year receives refinements, including a new slider to adjust the transparency of glass-like UI elements.
- App icons gain additional layering to appear slightly crisper; these changes apply across iPhone, iPad and Mac.
- Performance optimizations are promised system-wide: faster animations, quicker app launches and snappier processes. Apple says these improvements should also breathe new life into older iPhones. Search capabilities on iPhone, iPad and Mac are set to become more powerful.
Security and child protection features
Apple introduced new child safety and parental control tools. Child accounts will let parents control what their children can see and who they can contact, and iMessage will filter adult content.
- Parents can specify which apps children can access and set daily time limits.
- Time limits can be applied by category (for example social media, entertainment, games), allowing more granular controls such as restricting nonessential features during school hours.
Siri AI and Apple Intelligence
Apple confirmed that artificial intelligence is a major focus in iOS 27 and related updates. Citing a January announcement, Apple said Google technology — including Gemini — will power parts of Apple Intelligence. The Apple Intelligence features will be available across the system, with some computations performed on-device for privacy and security.
Siri, introduced in 2011, has been rethought and rebranded as Siri AI. Capabilities highlighted at WWDC include:
- Contextual question answering and task handling, for example about local concerts or events;
- Analysis of on-screen content — such as examining an acquaintance’s Instagram post or suggesting how to get to a shown location;
- On the Mac, Siri AI can review conversations and draft emails using available information; macOS’s search may invoke Siri AI when a query warrants AI assistance.
A system-wide proofreading feature will automatically help catch spelling and grammar wherever the user types, and a “write with Siri” function can learn an individual’s writing style for particular contacts to assist with composing messages. Visual Intelligence can identify photographed objects and describe what appears in images.
Important limitations: the new Siri AI will be available only in English initially, and none of the new features will be available in the European Union at launch.
Availability and testing
Developer betas, including the first iOS 27 developer build, will be released soon. Apple cautioned that developer betas are not recommended for daily-driver devices because unfinished software can crash or cause serious issues; public betas that are more polished will arrive later. Final, consumer-ready software releases are expected in September.
Context on novelty
Apple presented these AI tools as significant additions, but noted that many similar capabilities already exist in products from other vendors, even if not in exactly the same form.
In summary, this year’s WWDC emphasized UI refinements, performance and security improvements, expanded parental controls and deeper integration of AI across Apple’s platforms—announcements that coincide with a notable leadership transition at the company.



