Jack-sensing seems to work when things are plugged in (I get the popup when I plug things in). It worked on the older motherboard and the HD Audio header. I'll update when I learn more.

I'm not using a high impedance mic (I think... its an old Astro A40 headset, maybe 6 years old at this point, its never given me an issue). Are you using front or rear jacks? I filed an issue with...

I want to cry. I've bought a new motherboard, ASUS ROG STRIX X470-F, it comes with a newfangled 1220A audio codec. Functioning audio is extremely important to me as I have lots of audio conferences...