Headings and other elements look different after saving the page using VisualEditor or DiscussionTools while using new Vector. For example, on this page: https://en.wikipedia.beta.wmflabs.org/wiki/Crepuscular
|After opening the page||After saving changes|
A few things render incorrectly – most noticeable the headings are offset, but also the icon in the Wiktionary template is missing.
Apparently this is because MobileFrontend transformations are kicking in: