Shonen Jump NEXT!! published spinoff chapters of manga featured in the main Weekly Shonen Jump magazine, one-shots by current and past Weekly Shonen Jump contributors, and one-shots by newcomers.
Shonen Jump NEXT!! originally launched with the title Shonen Jump in 1969 as a spinoff magazine when Weekly Shonen Jump became weekly.
Shueisha’s Shonen Jump NEXT!! magazine changed its name to Shonen Jump GIGA starting on July 20.
The next issue of Weekly Shonen Jump and the Shonen Jump Plus website will provide more details.