Required mark is missing in a complex field group with both horizontal and vertical tab container.
1. Create a two level field group: first level Tabs is configured as vertical, under it create the second level Tabs as horizontal.
2. Add some Tab into 2nd level Tabs, add some required fields into any Tab
Issue: first level does not have required mask.
Loop through ['horizontal', 'vertical'] instead of only checking formatter setting. Patch attached.
Needs work
3.0
Code
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It's likely this issue predates Contrib.social: some issue and comment data are missing.
Trying this out. And, I only care about the required mark for my task. I'll look at the newer duplicate ticket later.
patch applied, but required * is not visible on tabs (see screenshot):