(ppc64 || ppc64le) && !purego package sha256 import ( "crypto/internal/fips140deps/godebug" "crypto/internal/impl" ) // The POWER architecture doesn't have a way to turn off SHA-2 support at // runtime with GODEBUG=cpu.something=off, so introduce a new GODEBUG knob for // that. It's intentionally only checked at init() time, to avoid the // performance overhead of checking it on every block. var ppc64sha2 = godebug.Value("#ppc64sha2") != "off" func init() { impl.Register("sha256", "POWER8", &ppc64sha2)...

deprecated, legacy behavior of treating the CommonName field on X.509 serving certificates as a host name when no Subject Alternative Names are present is now disabled by default. It can be temporarily re-enabled by adding the value x509ignoreCN=0 to the GODEBUG environment variable. ([#93264](https://github.com/kubernetes/kubernetes/pull/93264), [@justaugustus](https://github.com/justaugustus)) [SIG API Machinery, Auth, CLI, Cloud Provider, Cluster Lifecycle, Instrumentation, Network, Node, Release, Scalability,...