There's no new driver on Lenovo's Support Website for the T14s, its still at version 6.0.8975.1 ...

Reinstalling the "Intel(R) Smart Sound Technology (Intel(R) SST) OED" helped, but I don't want to do it regularly, as I have to restart the laptop and this is very disturbing.

Welcome to Lenovo and Motorola community. If the website doesn't work properly without JavaScript enabled. Please enable it to continue.