The View Options for DIFFs are out of screenspace and not readable:
{F362474}
Appears also with landscape screen.
also glitching away when scrolling:
{F362491}
(scrolling works on Phabricator installation of [Blender](https://developer.blender.org) wich is at rP85f4bdc2ac74)
Screen res: 320x480 (Apple iPod 3th gen, IOS 5.1)
Tested on this phabricator