The last few years have been difficult for the jQuery UI and jQuery Mobile projects. The projects have suffered from lack of resources and funding and loss of contributors due to a variety of factors. These combined factors have nearly stopped development on both projects. To remedy this situation they have decided to make some changes in the projects’ teams in addition to how they work.
It's easy to get into a heated discussion about frameworks, what type of class names make the most sense, which optimization techniques are most important, or what part of your code base is should be responsible for styling. Those are great discussions that guide our industry.
But what is more important? The naming convention you chose or if your user can actually book a flight?