Meaning that the user wouldn't need to interrupt the process of modification of an item to create another one. It will probably be an applet for item creation combined with an entity suggester (for instance when adding an edition it would suggest "is edition of" the item currently being displayed).
This is interface solution came up when trying to solve the edition problem
(entering edition information from a work item page without having to abandon the work page to create the edition item), however once implemented it will benefit all Wikidata users.
More information:
https://www.wikidata.org/wiki/Wikidata:Requests_for_comment/References_and_sources#Conversations_about_edition_data_during_the_Hackathon
Version: unspecified
Severity: enhancement