Most self-hosted solutions come as containers, containers are Linux only and on Windows they run under the WSL VM, so eventually (if you are not doing full installs) you are still using Linux

Sadly the issue is unclear but related to the netbird implementation and not the wrapper, jetbird is just a wrapper.

Personally I use jetbird as it does work betterz but it has the same battery issue

Currently ditching netbird because the Android implementation kills the battery and it makes it unusable.

I wish they would fix it, it’s been an issue for quite some time