- Upgrade...

  // for that container.
  // Note that this field cannot be set when spec.os.name is windows.
  // +optional
  optional int64 runAsUser = 2;

  // The GID to run the entrypoint of the container process.
  // Uses runtime default if unset.
  // May also be set in SecurityContext.  If set in both SecurityContext and

* Set fsGroup by securityContext.fsGroup in azure file. However,f user both sets gid=xxx in mountOptions in azure storage class and securityContext.fsGroup, gid=xxx setting in mountOptions takes precedence. ([#58316](https://github.com/kubernetes/kubernetes/pull/58316), [@andyzhangx](https://github.com/andyzhangx))

- The `RunAsGroup` feature has been promoted to beta and enabled by default. `PodSpec` and `PodSecurityPolicy` objects can be used to control the primary GID of containers on supported container runtimes. ([#73007](https://github.com/kubernetes/kubernetes/pull/73007), [@krmayankk](https://github.com/krmayankk))

pkg syscall (netbsd-arm64-cgo), type Cmsghdr struct, Type int32
pkg syscall (netbsd-arm64-cgo), type Credential struct
pkg syscall (netbsd-arm64-cgo), type Credential struct, Gid uint32
pkg syscall (netbsd-arm64-cgo), type Credential struct, Groups []uint32
pkg syscall (netbsd-arm64-cgo), type Credential struct, NoSetGroups bool
pkg syscall (netbsd-arm64-cgo), type Credential struct, Uid uint32

pkg syscall (darwin-arm64), type Cmsghdr struct, Level int32
pkg syscall (darwin-arm64), type Cmsghdr struct, Type int32
pkg syscall (darwin-arm64), type Credential struct
pkg syscall (darwin-arm64), type Credential struct, Gid uint32
pkg syscall (darwin-arm64), type Credential struct, Groups []uint32
pkg syscall (darwin-arm64), type Credential struct, NoSetGroups bool
pkg syscall (darwin-arm64), type Credential struct, Uid uint32

#### GlusterFS