If you hide the radiostoslider under a spoiler in webforms or in a tab page, then radiostoslider does not work. Details not screenshot.
This is probably because the library calculates the position of each element across the width of the container. But if the container is hidden, then it has an unknown width and the positioning of the elements is incorrect.
Postponed: needs info
1.0
Code
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It's likely this issue predates Contrib.social: some issue and comment data are missing.