The IQaudio Codec Zero was designed to suit the Pi Zero form factor. It adds support for both output and input devices. It even has a built-in MEMS microphone.
All of the modules are ready to ship, except for the IQaudio Codec Zero HAT which is intended to ship early next year. For more details, check out the full post on the official Raspberry Pi blog.
A developer known online as Remoheadder has created a Raspberry Pi-powered What-If Machine from Futurama.