12.3
What's New
iOS 12.3 introduces the iOS 12.2 SDK via Xcode 10.2.1, with notable changes to accessibility infrastructure and internationalization support. The removal of the Accessibility Events switch reflects evolving W3C standards, while new Japanese calendar era support ensures proper date handling for the Reiwa period. Developers should verify accessibility implementations and update date formatting logic for Japanese locales.
Highlights
- iOS 12.2 SDK bundled with Xcode 10.2.1 for developing iOS 12.3 apps
- Accessibility Events switch removed due to W3C AOM specification changes
- Japanese calendar now supports Reiwa era beginning May 1, 2019
Breaking Changes
- Accessibility Events switch removed, affecting apps relying on this feature