I’m using debian unstable as a desktop OS on all of my 3 regularly used systems: 2 notebooks and 1 desktop. And debian 11 on citrix virtual desktop at work. debian stable on around 200 servers.
I rarely have bigger issues in my day to day usage of unstable which includes surfing, gaming and coding. at the moment my bluetooth headset microphone doesn’t work, which i guess is due to some changes to pipewire but only on my desktop. both my work and private notebook seem to not have issues.
this is one of the worst problems i had in the last 8 years. other then that, if you use apt-listbugs to exclude any updates with serious bugs by pinning them until a bugfree version gets released, you wont have any more issues then you get with arch for example.