`observers` should be private on Subjects.
Author: benleshCreated Jan 19, 2021Updated Sep 9, 2026
LabelsTS8.x
It was never meant as a means of introspecting or mutating what was going on within a Subject. IIRC, it was left public >6 years ago so we could access it within our own tests. That it was ever public is unfortunate.
Related #5961
Source: ReactiveX/rxjs