There are variable refrigerant flow heat pumps and variable speed blowers out there. And standalone dehumidifiers, where the hot and cold side of the heat pump are in the same air stream. The dehumidifier might have its own separate vents, or it can tie into the central vent system, or be part of an external vent system with an energy recovery ventilator.

This channel has some interesting videos about the subject:

https://youtube.com/playlist?list=PLDYh81z-RhxjQKC9CsJiJQHhy...

https://youtu.be/ud5oAmTHcM4