Hello. I've been coming across various Javascript issues related to mw.uls.isNamed on Windows 10 while logged onto English Wikipedia, Vector skin, Microsoft Windows 10. Here are some examples:
Firefox 116.0.3 while reading the Main Page:
https://en.wikipedia.org/w/load.php?lang=en&modules=startup&only=scripts&raw=1&skin=vector line 10 > Function at line 8: TypeError: mw.uls.isNamed is not a function
Microsoft Edge 116.0.1938.54 reading the Main Page:
https://en.wikipedia.org/w/load.php?lang=en&modules=jquery%7Cjquery.ui&skin=vector&version=n26m7 at line 52: Uncaught TypeError: mw.uls.isNamed is not a function
I found more examples on both Firefox/Microsoft Edge but I don't want to overwhelm the bug report.
Thanks!