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Apple Refocuses iOS 27 on Cleanup and Battery Gains as Siri Upgrades Slip

The reported 'Rave' update emphasizes stripping legacy code with subtle app fixes to recover performance after last year’s Liquid Glass slowdown.

Overview

  • Bloomberg’s Mark Gurman reports Apple is removing legacy code, rewriting features, and tuning older apps to make iOS 27 feel faster and more responsive.
  • Engineers are targeting efficiency that could translate into longer iPhone battery life, with only modest interface tweaks rather than another visual overhaul.
  • Advanced Siri capabilities previewed in 2024 have been delayed, with key features now planned across iOS 26.5 and iOS 27 instead of a single spring release.
  • Some new generative features are expected to rely on Google’s Gemini models and cloud processing as Apple continues rebuilding parts of its AI infrastructure.
  • iOS 27, internally codenamed Rave, is reportedly tracking for a fall 2026 release, with separate reports noting iOS 26’s slower adoption hindered Tesla-requested Maps/CarPlay fixes.