(See https://discourse.phabricator-community.org/t/phabricator-does-not-respect-have-a-request-desktop-site-function/3053)
Using Mobile Chrome (I tested on Chrom 76 on Android, reported on iOS in discourse), and selecting the browser's "Desktop Site" mode, We're getting some un-desired results:
The expectation is to see a super-high-res version of the homepage, with all the panels displayed in tiny letters.