Show HN: A Go JSON library faster than Sonic, with encoding/JSON/v2 support

Category: library

Tags: json, go, performance, encoding, decoding

Score: 7.8/10 (Innovation: 6, Technical: 9, Documentation: 8, Utility: 8)

go-json is a high-performance drop-in replacement for Go's encoding/json, offering compatibility with the upcoming encoding/json/v2 and jsontext packages. It achieves speed through buffer reuse, reflection elimination, and other optimizations, making it faster than Sonic while maintaining strict compatibility. Its extensive feature set includes context propagation, field filtering, and allocation-saving APIs.

Target audience: Go backend developers

Repository: https://github.com/goccy/go-json · Go · MIT · 3767 stars

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