[sidwyn]

> Compatibility: Because extensions hook into websites in unsupported ways, updates to websites often result in extensions temporarily breaking, and extension authors scrambling to fix them.

Has anyone who's built a browser extension solved this?

[mcoliver]

The best you can do is get an early warning by running your extension via an automation framework and getting alerts on errors then publishing a fix and waiting for approval from Google.

Too many unknown unknowns. You're searching for an element to modify or take an action on based on the text content/class/id/aria-label/type? Someone changed apple to train. Or completely changes the element hierarchy. How would you predict or recognize that to modify your logic and be certain it works before publishing to your hundreds/thousands/millions of users?