@MischievousTomato@neckbeard.xyz @nonetrix
I've been using KDE5 since about 2017 I think. It was still unstable for a few years. I've only noticed in the last 1-2 years that it's rock steady for me.
Breeze isn't great, but there are better themes out there. And a lot of the good ones make use of Kvantum.