Created attachment 368237 [details]
Setting "display: inline-block" on an element that also has a "touch-action" property prevents the creation of a touch-action region.
Created attachment 369479 [details]
Comment on attachment 369479 [details]
Clearing flags on attachment: 369479
Committed r245126: <https://trac.webkit.org/changeset/245126>
All reviewed patches have been landed. Closing bug.
This patch also addressed CSS Grids, nice!