Boring choices I keep making

Latency budgets work better than latency targets. Targets are aspirational. Budgets force you to delete features when you go over.

I trust monorepos more in the second year than I did in the first. Most of the early friction goes away once the tooling catches up.

I keep a small log of decisions in a text file. Not architectural — just small ones. "Picked X over Y because Z." Future me reads it more than I thought he would.