Postgres 19 graph features

Postgres 19 adds graph features. This allow defining a graph representation of the existing relations. This does not change how data is stored, it’s more like view. This is pretty neat, because it helps to hide the way the data is linked together.

Testing UI design with different OpenAI models

I gave four OpenAI Codex configurations the same brief for an interactive, GitHub-style issue-tracker mockup. The results are a useful reminder that a model choice changes the product designer you get—not merely the amount of code.