There have been subsequent revolutions too: the silicon carbide MOSFET, which supports much higher voltages, and the IGBT (integrated gate bipolar transistor), which have done the same thing for much larger power electronics such as those in electric cars.

Switchmode power supplies have also benefited from better microprocessors allowing control of temperature, peak current, etc; my employer has done some neat tricks integrating this into audio amplifiers for phones. https://www.cirrus.com/company/media-center/releases/2019/ci...