Apple to Focus on iOS 27 Optimization: Battery Performance and Code Cleanup Priority

16.02.2026

Apple is preparing a significant shift in its development strategy for iOS 27, prioritizing system optimization and legacy code removal over introducing major new features. According to recent reports, the upcoming operating system release will focus on improving battery performance and overall system efficiency.

The key highlights of iOS 27 development include:

• Extensive codebase cleanup - Apple engineers plan to remove substantial amounts of redundant and obsolete code from the operating system
• Battery life improvements - The optimization efforts are expected to significantly enhance iPhone battery performance
• Gemini-powered Siri - The only major new feature anticipated is an updated Siri assistant based on Google's Gemini AI model
• Minor UI refinements - Design changes will be minimal and incremental rather than a complete overhaul
• Hardware preparation - The optimization work is reportedly aimed at preparing the platform for upcoming devices, including a potential touchscreen MacBook Pro and Apple's first foldable iPhone

This approach mirrors Apple's historical "Snow Leopard" strategy, where the company prioritized refinement and performance over feature additions. The decision suggests Apple is taking a more conservative approach to OS development, focusing on stability and efficiency as the foundation for future hardware innovations.

Source: MacRumors

Tags: Apple Siri iOS 27 battery optimization mobile OS

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