The Pixelbook sports a 12.3" 2400x1600 display, and nobody's complaining about it. In fact, we even praised it in our review for being nice in basically every aspect. But companies are constantly seeking to cram more and more pixels into their devices' screens, and Google is no different. According to a recent Chrome OS commit, we'll be seeing 4K displays on Chromebooks in the near future.
Here's the text from the commit (emphasis ours):
images: Update Chrome logo to increase resolution and circularity
The current Chrome logo (uploaded in CL:331831) is slightly oval for some unclear reason.
'Secret upcoming 4K Chromebooks' mentioned in Chrome OS commit was written by the awesome team at Android Police.