diff --git a/staging/src/k8s.io/api/testdata/HEAD/certificates.k8s.io.v1beta1.CertificateSigningRequest.json b/staging/src/k8s.io/api/testdata/HEAD/certificates.k8s.io.v1beta1.CertificateSigningRequest.json
index a801b472921..e7f6035933c 100644
--- a/staging/src/k8s.io/api/testdata/HEAD/certificates.k8s.io.v1beta1.CertificateSigningRequest.json
+++ b/staging/src/k8s.io/api/testdata/HEAD/certificates.k8s.io.v1beta1.CertificateSigningRequest.json
@@ -61,11 +61,13 @@
     "conditions": [
       {
         "type": "o,c鮽ort昍řČ扷5Ɨ",
+        "status": "ěĂ凗蓏Ŋ蛊ĉy緅縕",
         "reason": "25",
         "message": "26",
-        "lastUpdateTime": "2901-11-14T22:54:07Z"
+        "lastUpdateTime": "1985-03-23T14:10:57Z",
+        "lastTransitionTime": "2352-05-22T04:29:36Z"
       }
     ],
-    "certificate": "9Q=="
+    "certificate": "cw=="
   }
 }
\ No newline at end of file
diff --git a/staging/src/k8s.io/api/testdata/HEAD/certificates.k8s.io.v1beta1.CertificateSigningRequest.pb b/staging/src/k8s.io/api/testdata/HEAD/certificates.k8s.io.v1beta1.CertificateSigningRequest.pb
index 4ee509f46f5..762cee2ec2b 100644
Binary files a/staging/src/k8s.io/api/testdata/HEAD/certificates.k8s.io.v1beta1.CertificateSigningRequest.pb and b/staging/src/k8s.io/api/testdata/HEAD/certificates.k8s.io.v1beta1.CertificateSigningRequest.pb differ
diff --git a/staging/src/k8s.io/api/testdata/HEAD/certificates.k8s.io.v1beta1.CertificateSigningRequest.yaml b/staging/src/k8s.io/api/testdata/HEAD/certificates.k8s.io.v1beta1.CertificateSigningRequest.yaml
index c24c1ff0c80..3207d6282d9 100644
--- a/staging/src/k8s.io/api/testdata/HEAD/certificates.k8s.io.v1beta1.CertificateSigningRequest.yaml
+++ b/staging/src/k8s.io/api/testdata/HEAD/certificates.k8s.io.v1beta1.CertificateSigningRequest.yaml
@@ -42,9 +42,11 @@ spec:
   - J枊a
   username: "20"
 status:
-  certificate: 9Q==
+  certificate: cw==
   conditions:
-  - lastUpdateTime: "2901-11-14T22:54:07Z"
+  - lastTransitionTime: "2352-05-22T04:29:36Z"
+    lastUpdateTime: "1985-03-23T14:10:57Z"
     message: "26"
     reason: "25"
+    status: ěĂ凗蓏Ŋ蛊ĉy緅縕
     type: o,c鮽ort昍řČ扷5Ɨ
diff --git a/staging/src/k8s.io/api/testdata/v1.17.0/certificates.k8s.io.v1beta1.CertificateSigningRequest.after_roundtrip.json b/staging/src/k8s.io/api/testdata/v1.17.0/certificates.k8s.io.v1beta1.CertificateSigningRequest.after_roundtrip.json
new file mode 100644
index 00000000000..92439f872a8
--- /dev/null
+++ b/staging/src/k8s.io/api/testdata/v1.17.0/certificates.k8s.io.v1beta1.CertificateSigningRequest.after_roundtrip.json
@@ -0,0 +1,72 @@
+{
+  "kind": "CertificateSigningRequest",
+  "apiVersion": "certificates.k8s.io/v1beta1",
+  "metadata": {
+    "name": "2",
+    "generateName": "3",
+    "namespace": "4",
+    "selfLink": "5",
+    "uid": "7",
+    "resourceVersion": "11042405498087606203",
+    "generation": 8071137005907523419,
+    "creationTimestamp": null,
+    "deletionGracePeriodSeconds": -4955867275792137171,
+    "labels": {
+      "7": "8"
+    },
+    "annotations": {
+      "9": "10"
+    },
+    "ownerReferences": [
+      {
+        "apiVersion": "11",
+        "kind": "12",
+        "name": "13",
+        "uid": "Dz廔ȇ{sŊƏp",
+        "controller": false,
+        "blockOwnerDeletion": true
+      }
+    ],
+    "finalizers": [
+      "14"
+    ],
+    "clusterName": "15",
+    "managedFields": [
+      {
+        "manager": "16",
+        "operation": "鐊唊飙Ş-U圴÷a/ɔ}摁(湗Ć]",
+        "apiVersion": "17",
+        "fieldsType": "18"
+      }
+    ]
+  },
+  "spec": {
+    "request": "OA==",
+    "usages": [
+      "J枊a"
+    ],
+    "username": "19",
+    "uid": "20",
+    "groups": [
+      "21"
+    ],
+    "extra": {
+      "22": [
+  "23"
+]
+    }
+  },
+  "status": {
+    "conditions": [
+      {
+        "type": "o,c鮽ort昍řČ扷5Ɨ",
+        "status": "",
+        "reason": "24",
+        "message": "25",
+        "lastUpdateTime": "2901-11-14T22:54:07Z",
+        "lastTransitionTime": null
+      }
+    ],
+    "certificate": "9Q=="
+  }
+}
\ No newline at end of file
diff --git a/staging/src/k8s.io/api/testdata/v1.17.0/certificates.k8s.io.v1beta1.CertificateSigningRequest.after_roundtrip.pb b/staging/src/k8s.io/api/testdata/v1.17.0/certificates.k8s.io.v1beta1.CertificateSigningRequest.after_roundtrip.pb
new file mode 100644
index 00000000000..5e865cf1125
Binary files /dev/null and b/staging/src/k8s.io/api/testdata/v1.17.0/certificates.k8s.io.v1beta1.CertificateSigningRequest.after_roundtrip.pb differ
diff --git a/staging/src/k8s.io/api/testdata/v1.17.0/certificates.k8s.io.v1beta1.CertificateSigningRequest.after_roundtrip.yaml b/staging/src/k8s.io/api/testdata/v1.17.0/certificates.k8s.io.v1beta1.CertificateSigningRequest.after_roundtrip.yaml
new file mode 100644
index 00000000000..0d98daa5bda
--- /dev/null
+++ b/staging/src/k8s.io/api/testdata/v1.17.0/certificates.k8s.io.v1beta1.CertificateSigningRequest.after_roundtrip.yaml
@@ -0,0 +1,51 @@
+apiVersion: certificates.k8s.io/v1beta1
+kind: CertificateSigningRequest
+metadata:
+  annotations:
+    "9": "10"
+  clusterName: "15"
+  creationTimestamp: null
+  deletionGracePeriodSeconds: -4955867275792137171
+  finalizers:
+  - "14"
+  generateName: "3"
+  generation: 8071137005907523419
+  labels:
+    "7": "8"
+  managedFields:
+  - apiVersion: "17"
+    fieldsType: "18"
+    manager: "16"
+    operation: 鐊唊飙Ş-U圴÷a/ɔ}摁(湗Ć]
+  name: "2"
+  namespace: "4"
+  ownerReferences:
+  - apiVersion: "11"
+    blockOwnerDeletion: true
+    controller: false
+    kind: "12"
+    name: "13"
+    uid: Dz廔ȇ{sŊƏp
+  resourceVersion: "11042405498087606203"
+  selfLink: "5"
+  uid: "7"
+spec:
+  extra:
+    "22":
+    - "23"
+  groups:
+  - "21"
+  request: OA==
+  uid: "20"
+  usages:
+  - J枊a
+  username: "19"
+status:
+  certificate: 9Q==
+  conditions:
+  - lastTransitionTime: null
+    lastUpdateTime: "2901-11-14T22:54:07Z"
+    message: "25"
+    reason: "24"
+    status: ""
+    type: o,c鮽ort昍řČ扷5Ɨ
diff --git a/staging/src/k8s.io/api/testdata/v1.18.0/certificates.k8s.io.v1beta1.CertificateSigningRequest.after_roundtrip.json b/staging/src/k8s.io/api/testdata/v1.18.0/certificates.k8s.io.v1beta1.CertificateSigningRequest.after_roundtrip.json
new file mode 100644
index 00000000000..da9095e7ff3
--- /dev/null
+++ b/staging/src/k8s.io/api/testdata/v1.18.0/certificates.k8s.io.v1beta1.CertificateSigningRequest.after_roundtrip.json
@@ -0,0 +1,73 @@
+{
+  "kind": "CertificateSigningRequest",
+  "apiVersion": "certificates.k8s.io/v1beta1",
+  "metadata": {
+    "name": "2",
+    "generateName": "3",
+    "namespace": "4",
+    "selfLink": "5",
+    "uid": "7",
+    "resourceVersion": "11042405498087606203",
+    "generation": 8071137005907523419,
+    "creationTimestamp": null,
+    "deletionGracePeriodSeconds": -4955867275792137171,
+    "labels": {
+      "7": "8"
+    },
+    "annotations": {
+      "9": "10"
+    },
+    "ownerReferences": [
+      {
+        "apiVersion": "11",
+        "kind": "12",
+        "name": "13",
+        "uid": "Dz廔ȇ{sŊƏp",
+        "controller": false,
+        "blockOwnerDeletion": true
+      }
+    ],
+    "finalizers": [
+      "14"
+    ],
+    "clusterName": "15",
+    "managedFields": [
+      {
+        "manager": "16",
+        "operation": "鐊唊飙Ş-U圴÷a/ɔ}摁(湗Ć]",
+        "apiVersion": "17",
+        "fieldsType": "18"
+      }
+    ]
+  },
+  "spec": {
+    "request": "OA==",
+    "signerName": "19",
+    "usages": [
+      "J枊a"
+    ],
+    "username": "20",
+    "uid": "21",
+    "groups": [
+      "22"
+    ],
+    "extra": {
+      "23": [
+  "24"
+]
+    }
+  },
+  "status": {
+    "conditions": [
+      {
+        "type": "o,c鮽ort昍řČ扷5Ɨ",
+        "status": "",
+        "reason": "25",
+        "message": "26",
+        "lastUpdateTime": "2901-11-14T22:54:07Z",
+        "lastTransitionTime": null
+      }
+    ],
+    "certificate": "9Q=="
+  }
+}
\ No newline at end of file
diff --git a/staging/src/k8s.io/api/testdata/v1.18.0/certificates.k8s.io.v1beta1.CertificateSigningRequest.after_roundtrip.pb b/staging/src/k8s.io/api/testdata/v1.18.0/certificates.k8s.io.v1beta1.CertificateSigningRequest.after_roundtrip.pb
new file mode 100644
index 00000000000..581777549f5
Binary files /dev/null and b/staging/src/k8s.io/api/testdata/v1.18.0/certificates.k8s.io.v1beta1.CertificateSigningRequest.after_roundtrip.pb differ
diff --git a/staging/src/k8s.io/api/testdata/v1.18.0/certificates.k8s.io.v1beta1.CertificateSigningRequest.after_roundtrip.yaml b/staging/src/k8s.io/api/testdata/v1.18.0/certificates.k8s.io.v1beta1.CertificateSigningRequest.after_roundtrip.yaml
new file mode 100644
index 00000000000..08e9efa5142
--- /dev/null
+++ b/staging/src/k8s.io/api/testdata/v1.18.0/certificates.k8s.io.v1beta1.CertificateSigningRequest.after_roundtrip.yaml
@@ -0,0 +1,52 @@
+apiVersion: certificates.k8s.io/v1beta1
+kind: CertificateSigningRequest
+metadata:
+  annotations:
+    "9": "10"
+  clusterName: "15"
+  creationTimestamp: null
+  deletionGracePeriodSeconds: -4955867275792137171
+  finalizers:
+  - "14"
+  generateName: "3"
+  generation: 8071137005907523419
+  labels:
+    "7": "8"
+  managedFields:
+  - apiVersion: "17"
+    fieldsType: "18"
+    manager: "16"
+    operation: 鐊唊飙Ş-U圴÷a/ɔ}摁(湗Ć]
+  name: "2"
+  namespace: "4"
+  ownerReferences:
+  - apiVersion: "11"
+    blockOwnerDeletion: true
+    controller: false
+    kind: "12"
+    name: "13"
+    uid: Dz廔ȇ{sŊƏp
+  resourceVersion: "11042405498087606203"
+  selfLink: "5"
+  uid: "7"
+spec:
+  extra:
+    "23":
+    - "24"
+  groups:
+  - "22"
+  request: OA==
+  signerName: "19"
+  uid: "21"
+  usages:
+  - J枊a
+  username: "20"
+status:
+  certificate: 9Q==
+  conditions:
+  - lastTransitionTime: null
+    lastUpdateTime: "2901-11-14T22:54:07Z"
+    message: "26"
+    reason: "25"
+    status: ""
+    type: o,c鮽ort昍řČ扷5Ɨ