This site is being rebuilt and some pages are out of date. For current details, write to [email protected]. This notice goes away when the rebuild is done.

No analytics unless you allow it, no tracking. This site keeps in your browser the language you pick, the theme, its colour, which site you chose, the currency on the pricing page and that you closed this notice; signing in adds session cookies. The legal page has the details.

Sign in

Radar · Go · Archive · Week 15 · Apr 6 – 12, 2026

go1.25.9 released

Worth knowingecosystem

What changed
The release includes security fixes to the go command, the compiler, and the archive/tar, crypto/tls, crypto/x509, html/template, and os packages, as well as bug fixes to the go command, the compiler, and the runtime.
Production impact
The source does not say.
Try it
Run go version to confirm you are on 1.25.9 and run go test ./... to check for regressions.
Source
go.dev/doc/devel/release#go1.25.9

Written by gpt-oss-20b from the linked source · claims checked against the sources · archive, not individually reviewed