This update for go1.25 fixes the following issues:
go1.25.5 (released 2025-12-02) includes two security fixes to the crypto/x509 package, as well as bug fixes to the mime and os packages. (bsc#1244485)
CVE-2025-61729 CVE-2025-61727:
go#76360 os: on windows RemoveAll removing directories containing read-only files errors with unlinkat ... Access is denied, ReOpenFile error handling followup
This is an optional migration controlled via prjconf definition with_libalternatives
go1.25.4 (released 2025-11-05) includes fixes to the compiler, the runtime, and the crypto/subtle, encoding/pem, net/url, and os packages. (bsc#1244485)