Engineering notes on backend systems, performance and open source, with measurements.https://artukrainskiy.github.io/https://artukrainskiy.github.io/posts/json-encode-utf8-autumn-2026/https://artukrainskiy.github.io/posts/json-encode-utf8-autumn-2026/Five open pull requests, four compilers and two CPUs: what each change to json_encode()'s string escaping actually does, where it helps, where it hurts, and what is likely to land.Mon, 12 Oct 2026 22:45:00 GMT