

Sounds like a QoS thing, unless your connection is really bad. Assuming your network has the available capacity to game and chat, there’s probably something fucky going on with packet ordering.
There are tons of different Gamer ™ software packages that could be the culprit, but anything preinstalled by Lenovo would be my first suspect. Also check for anything labeled “Killer” in Device Manager under network or Bluetooth. Killer WiFi (and I think they have an ethernet thing as well?) is sold as a feature on some gaming devices but in my experience its name only rings true in that it’ll kill your gameplay experience.
Routers can also do QoS fuckery. If you’re on a connection with low upload (DSL, cable) check if your router does network prioritisation/Quality of Service/QoS things. If you have more than enough upload capacity, you could still check and disable the setting to see if that’s the cause.
Note that while Discord uses barely any network traffic to do voice, it’s very sensitive to latency issues. If you’re capping out the connection to your router (quite easy to do over WiFi or in P2P video calls) you could be transmitting at dozens of megabits a second with more to spare, but your VoIP connection could suck terribly because of latency and jitter.
Also worth trying: rebooting, if you haven’t already. Clicking “shut down” and then turning your PC on does not reboot it in Windows! It’s stupid but manually clicking reboot in the start menu twice sometimes fixes weird issues like these.
Lastly, as Discord is peer to peer as far as I know, your bandwidth with some other locations may just not be very good. A gigabit of upload to speedtest.net doesn’t mean you can exchange traffic with your friends directly that fast. You can try to use one of those piracy VPNs to avoid your ISPs network edge and see if that improves things.
The name sure doesn’t help!
I suppose someone could get the source code from https://github.com/osmandapp/OsmAnd-iOS and compile the app themselves, but I don’t think Apple allows dev mode CarPlay on production devices like that.