Hi Team,
This topic is more aimed at the crowd who intend to submit content to the content market. Although I feel it's also important for everyone else.
It discusses custom categories and why you should probably not use them for content that is intended to be shared.
It provides a solution that enables you to still use custom categories for efficiency gain during the data entry but does not use the custom categories in the export.
Realm Works - Bulk Moving Articles To Different Categories