Checking our Tour integration by pure coincidence showed me that it is in fact not even working anymore, at least on the Fields page. Apparently, we use the :nth() CSS selector which is not supported (anymore), as tour.js uses document.querySelector() instead of jQuery() for selecting elements for some reason. (I highly suspect this was changed at some point, otherwise our integration would never have worked.)
However, while we’re at it, there might also be some tips we want to add or update, given that they are now over five years old. So, should probably go over all the tours again and look for things to improve.
Finally, to ensure this doesn’t break again, we might want test coverage for this?
Needs work
1.0
General code
The change is currently missing an automated test that fails when run with the original code, and succeeds when the bug has been fixed.
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It's likely this issue predates Contrib.social: some issue and comment data are missing.
Side note: Tour is now not part of Core anymore, so not that critical to support. Still, since we already have the tours, would be good to get them fixed. Not sure we need test coverage, though. Also depends on how popular the contrib module will prove to be.