About six years ago, our mobile automation setup was showing its age. It was a small, homegrown framework that had worked “well enough” for a long time, until we tried to upgrade Java and a few ...

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Trivago's mobile test framework evolved over nearly a decade, starting as an Appium 1 learning project to replace a broken homegrown setup. When Appium 2 deprecated the MobileElement pattern, the team chose a full rewrite rather than patching, redesigning around Appium 2's driver model with a plugin-based architecture, parallel thread execution (replacing multi-fork JVM processes), and clean platform separation for iOS and Android. Key improvements included lower resource overhead, safer extensibility, and a cultural shift where app developers now treat testability and accessibility IDs as first-class concerns during feature development. E2E tests now double as accessibility regression checks.

How a Learning Project Became Our Modern Mobile Test Fram...

What We Did Differently in the Appium 2/3 Framework