User Heliosurge reported experiencing strange glitches after the update. They noticed issues with the Category dropdown not functioning in the Air Theme and their custom theme, requiring page refreshes to navigate to different areas. Additionally, scrolling on their custom theme created a duplicate header.
Don suggested the issue might be related to an unofficial plugin and recommended disabling them one by one to troubleshoot.
Heliosurge rebuilt using the command line, which seemed to resolve some of the issues, but noted that the Air theme on Meta was still behaving oddly. They later clarified that the issues were occurring in mobile view and provided steps to reproduce the glitch with the duplicate header: pinching to zoom in and out, then resizing to normal.
See how scrolling is creating a 2nd header. The page is creating a new header and both work but the top one is t the main page and the new page is appended to the home page??!!??