When deployed this works like it's supposed to. But after some time (days?) there is a change in the MasterPage to:
This breaks the link to both CDN locations while the Modified date is exactly what it was after deployment. SharePoint doesn't indicate any changes to the MasterPage by either a system account or a user account. But the change is done inside the MasterPage verified by downloading a copy of the MasterPage. Something must have changed the file without SharePoint notifying me of the change.
Is SharePoint Online changing my URL's here?