Looks promising:
https://github.com/webdriverio/webdrivercss
Bugs we could have avoided with such a thing:
* T108641 - edit and watch icons shifted to the right
* T108642 - toast messages lost centering
* T159009 - a change to the UI header broke the language overlay
There's also https://github.com/facebookarchive/huxley but seems unmaintained.
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Research and start a discussion on the mailing list with the whole reading web team, including others if necessary. When we've worked out ourselves what we want to do, we'll
= Goals
[] Explore currently available tools that claim to help detect UI regressions (e.g. via screenshots) and pick one that looks like the best fit
[] Get proof of concept. It should use Node.js not Ruby.
[] Create tasks with recommendations follow up work
Spike: 8hrs