Worked on the flutter/flutter repository to deliver an opt-in enhancement for iOS 17 inline predictive text input, enabling app developers to control predictive text behavior while maintaining default compatibility. The solution introduced an enableInlinePrediction option across key text input configurations, integrating with the iOS engine by mapping to UITextInlinePredictionType for devices running iOS 17 or later. The implementation ensured that attributed marked text was handled correctly by forwarding plain strings to the existing marked-text path, supporting accurate inline prediction updates. Comprehensive end-to-end tests and documentation updates were included, utilizing Flutter, Dart, and Objective-C to align with breaking-change policies.