The Go Blog

The Green Tea Garbage Collector, 29 October 2025
Michael Knyszek and Austin Clements

Go 1.25 includes a new experimental garbage collector, Green Tea.

Flight Recorder in Go 1.25, 26 September 2025
Carlos Amedee and Michael Knyszek

Go 1.25 introduces a new tool in the diagnostic toolbox, flight recording.

It's survey time! How has Go has been working out for you?, 16 September 2025
Todd Kulesza, on behalf of the Go team

Help shape the future of Go

A new experimental Go API for JSON, 9 September 2025
Joe Tsai, Daniel Martí, Johan Brandhorst-Satzkorn, Roger Peppe, Chris Hines, and Damien Neil

Go 1.25 introduces experimental support for encoding/json/jsontext and encoding/json/v2 packages.

Testing Time (and other asynchronicities), 26 August 2025
Damien Neil

A discussion of testing asynchronous code and an exploration of the `testing/synctest` package. Based on the GopherCon Europe 2025 talk with the same title.

Container-aware GOMAXPROCS, 20 August 2025
Michael Pratt and Carlos Amedee

New GOMAXPROCS defaults in Go 1.25 improve behavior in containers.

Go 1.25 is released, 12 August 2025
Dmitri Shuralyov, on behalf of the Go team

Go 1.25 adds container-aware GOMAXPROCS, testing/synctest package, experimental GC, experimental encoding/json/v2, and more.

The FIPS 140-3 Go Cryptographic Module, 15 July 2025
Filippo Valsorda (Geomys), Daniel McCarney (Geomys), and Roland Shoemaker (Google)

Go now has a built-in, native FIPS 140-3 compliant mode.

Generic interfaces, 7 July 2025
Axel Wagner

Adding type parameters to interface types is surprisingly powerful

[ On | No ] syntactic support for error handling, 3 June 2025
Robert Griesemer

Go team plans around error handling support