Xfce for speed, consistency, and reliability. For most of my workflow I began avoiding configuring a DE as much as possible by relying on AutoKey, Input Remapper, and simple terminal commands, because I can import those to fresh installs way easier.
I moved away from Plasma due to too many small yet annoying bugs.
PS all the software I use: https://www.arscyni.cc/file/software.html
Sitting down too much. It took four lumbagos in three years to finally get the point.
I don't write as much anymore unfortunately, but the huge upside is that, after two decades of not being able to do so, I can finally squat again with heels planted without tipping over. A proper Slav squat. Practicing this almost daily for nearly a year has improved my foundational skateboarding skills significantly. And I simply feel more youthful too.