Go 1.27 interactive tour
Go 1.27 adds generic methods, a standard UUID package, JSON v2, ML-DSA post-quantum signatures, portable SIMD, goroutine-leak profiling, and more. The tour is more useful than dry release notes because each change comes with runnable examples and caveats—for example, generic methods still cannot appear in interfaces, and JSON v2 changes map-key ordering unless deterministic output is requested.
Hacker News discussion reached 363 points and 202 comments; the volume reflects how broad this release is rather than one isolated headline.