- Create a new tag T in a new tag group TG.
- Restrict the tag group TG to a certain category C.
- Restrict the tag group TG visibility to a ceratain user group UG.
- Restrct the category C visibility to that same user group UG.
- Restrict the tag group TG usage to that category C in the category’s settings.
- Create a few topics TTT in the category C.
- Select multiple topics TTT while in the category topics view.
- Bulk Actions → Append Tags
- The tag T is not available. This is a bug.
Note: opening individual topics TTT one by one and attaching that same tag T to them works fine.
Possibly related: