TL;DR: at over a decade old it's a primordial Node lib which has become increasingly difficult to evolve as the platform introduces new features, so rather than break every user with a massively disruptive new version that embraces modern features it's going to attempt to quietly sunset to free up the oxygen in the room so that new libs can grow.
TL;DR: at over a decade old it's a primordial Node lib which has become increasingly difficult to evolve as the platform introduces new features, so rather than break every user with a massively disruptive new version that embraces modern features it's going to attempt to quietly sunset to free up the oxygen in the room so that new libs can grow.