I searched, really. Is there no way to duplicate a large field group so we don't have to start over? Groups Extension, from my try, only lets you do groups inside a given field group. How can we leverage saved groups and add them to a new feild set?
I will inform the development team to consider support an option to duplicate a field group. For now, you can simply do it with 2 steps, export a field group and re-import it, remember to change the field group ID later. https://docs.metabox.io/extensions/meta-box-builder/#export--import
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