The Test Team helps manage testing and triage across the WordPress ecosystem. They focus on user testing of the editing experience and WordPress dashboard, replicating and documenting bug reports, and supporting a culture of review and triage across the project.
I tested the patch proposed on #37661 on Windows Phone 10 with the Edge browser. Here’s a visual record of that experience:
The biggest potential fixes I found were to show a loading indicator in the filters (next to the theme count button in the headerHeader The header of your site is typically the first thing people will experience. The masthead or header art located across the top of your page is part of the look and feel of your website. It can influence a visitor’s opinion about your content and you/ your organization’s brand. It may also look different on different screen sizes.?) when a new filter is loading, and to scroll the themes container to the top whenever a new section is opened or a search/filter is changed (which should be happening, but isn’t).
I should also note that since it is impossible to reorder images in galleries with Chrome on laptops that support touch, see #31652, I had to go to the text editor to fix one that jumped out of order when creating this post.