Worked on the flutter/flutter repository to address a stability issue in the Range Slider UI component, focusing on ensuring that slider values remain within the [0.0, 1.0] range during drag interactions. Utilized Dart and Flutter to implement logic that respects minThumbSeparation, preventing exceptions and improving the reliability of range selections. Developed automated tests to validate the new bounding behavior and guard against regressions, while updating documentation and code comments to clarify the changes. All modifications adhered to contributor and breaking-change guidelines, resulting in a more robust user experience and strengthening the core UI component for downstream adoption.