Option D is the most proactive and comprehensive approach to ensure application compatibility with new Chrome versions. Here's why: * QA Strategy: Implementing a formal Quality Assurance (QA) process allows for systematic testing of applications on new Chrome versions before they are released to all users. This helps identify and address compatibility issues early on. * Beta Channel Testing: Enrolling a subset of users (e.g., IT group and 5% of users) in the beta channel gives them access to pre-release versions of ChromeOS. This allows them to test applications in a real-world environment and report any bugs or issues before the stable release. * Early Bug Reporting: By identifying and reporting bugs early, you provide developers with valuable feedback and time to fix issues before the official release. This ensures a smoother transition for all users when the new Chrome version is deployed. Why other options are incorrect: * A: User feedback is valuable, but it's reactive and may not catch all issues before they impact a larger user base. * B: Assuming all applications are automatically compatible is risky and can lead to unexpected problems. * C: While keeping applications updated is good practice, it doesn't guarantee compatibility with new Chrome versions, as changes in Chrome itself can cause issues.