go1.25 (released 2025-08-12) is a major release of Go. go1.25.x minor releases will be provided through August 2026. https://github.com/golang/go/wiki/Go-Release-Cycle go1.25 arrives six months after Go 1.24. Most of its changes are in the implementation of the toolchain, runtime, and libraries. As always, the release maintains the Go 1 promise of compatibility. We expect almost all Go programs to continue to compile and run as before. (boo#1244485 go1.25 release tracking) Language changes: There are no languages changes that affect Go programs in Go 1.25. However, in the language specification the notion of core types has been removed in favor of dedicated prose. See the respective blog post for more information. go command: The go build -asan option now defaults to doing leak detection at program exit. This will report an error if memory allocated by C is not freed and is not referenced by any other memory allocated by either C or Go. These new error reports may be disabled by setting ASAN_OPTIONS=detect_leaks=0 in the environment when running the program. go command: The Go distribution will include fewer prebuilt tool binaries. Core toolchain binaries such as the compiler and linker will still be included, but tools not invoked by build or test operations will be built and run by go tool as needed. go command: The new go.mod ignore directive can be used to specify directories the go command should ignore. Files in these directories and their subdirectories will be…Read More
Security update for go1.25
