Technology optimism hour

Back in 2022, I wrote Web technology optimism hour, highlighting the things I thought were cool about the state of technology. Time flies. Let's do it again.It's still easy to be pessimistic, but it's nice to mine your feelings for the positive ones. The elephant in the room is AI, but I don't feel like throwing another post into the gravity field of that topic.Without further adieu:TypeScript 7It's here, finally, and it's faster. In the last edition, one of the headings was "Rust and Go based tools are making TypeScript development faster." At that point we had a few upstart projects for minifying, transpiling, and bundling TypeScript. Those tools have become standard-issue.But TypeScript, the actual type-checking of the language and the language tooling in editors, was still a bottleneck. There was exactly one implementation of the TypeScript type checker, and it was implemented in TypeScript, so it ran at JavaScript speeds and had limited ability to become…