Jonathan Romano on Mythryl: “This is huge. I’ve tried doing type performance analysis before, and…”

This is huge. I’ve tried doing type performance analysis before, and it was pretty arcane. This is a big step forward and will be super helpful for improving DX. Also, it’s just straight up cool.

MichiganTypeScript@michigantypescript.com

⚔️introducing TypeSlayer⚔️ A #typescript type performance benchmarking and analysis tool. A summation of everything learned from the benchmarking required to make the Doom project happen. It's got MCP support, Perfetto, Speedscope, Treemap, duplicate package detection, and more.

11/12/25, 2:42 pm0 reposts6 likes

Post