Scenario: tab groups used with paragraphs that have required fields. There are no paragraphs inputs until a paragraph is added, so the tab isn't marked as required. Once a paragraph with required fields is added, the tab should be marked as required, and if there are no longer required fields from removing all paragraphs with required fields, the tab should no longer be marked as required.
This currently doesn't work because the check for required fields is only performed once on initialization -- using jQuery's .once() -- on the details container.
There would also need to be an additional check if there are no longer required fields.
The attached patch should accommodate for this.
Postponed: needs info
4.0
User interface
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It's likely this issue predates Contrib.social: some issue and comment data are missing.
Re-rolled patch, because of version 3.5 and 3.6 changes.
And please check if this issue still exists in 4.x after several fixes went in.