Yes. since I disabled driver installation prior to the 2004 update, Windows doesn't install any driver for audio device during the upgrade process.
Therefore after you have upgraded, it is important to disable the restriction and let Windows apply the audio drivers.
In my case I am using Microsoft High Definition Audio Device driver v 10.0.19041.264 dated 09-05-2020.
I continue to block the Conexant driver 8.66.95.69 as I am not sure it could cause issues, and also I don't feel any difference between the audio from my laptop or headphone jack with the Microsoft drivers. So I am satisfied.
I feel this is what Microsoft should be doing, instead of us jumping through the hoops.
If they find incompatible drivers, they should let users know and seek acceptance to upgrade using Microsoft drivers.