Note that in the meantime you can see sequels of your completed anime to check if you missed any followup seasons of anime in your list.
Thanks. Yes I mean new seasons and related shows. For example, you would get the normal notification for if season 2 comes out/plan. Or if you are into a show like fate stay night, where it isn’t exactly based on seasons. If related content comes out/is plan then the system will notify you.
Something I think it shouldn’t be based on is the user completing a season/show before the system notifies the user of the upcoming season.