diff --git a/descriptions-next/api.github.com/api.github.com.2022-11-28.json b/descriptions-next/api.github.com/api.github.com.2022-11-28.json
index 0cb21b284..208f5b69e 100644
--- a/descriptions-next/api.github.com/api.github.com.2022-11-28.json
+++ b/descriptions-next/api.github.com/api.github.com.2022-11-28.json
@@ -95776,7 +95776,8 @@
           "updated_at": {
             "type": "string",
             "format": "date-time",
-            "description": "Timestamp of when the assignee's GitHub Copilot access was last updated, in ISO 8601 format."
+            "deprecated": true,
+            "description": "**Closing down notice:** This field is no longer relevant and is closing down. Use the `created_at` field to determine when the assignee was last granted access to GitHub Copilot. Timestamp of when the assignee's GitHub Copilot access was last updated, in ISO 8601 format."
           },
           "plan_type": {
             "type": "string",
diff --git a/descriptions-next/api.github.com/api.github.com.2022-11-28.yaml b/descriptions-next/api.github.com/api.github.com.2022-11-28.yaml
index d61450224..d9a67cf4f 100644
--- a/descriptions-next/api.github.com/api.github.com.2022-11-28.yaml
+++ b/descriptions-next/api.github.com/api.github.com.2022-11-28.yaml
@@ -69249,8 +69249,11 @@ components:
         updated_at:
           type: string
           format: date-time
-          description: Timestamp of when the assignee's GitHub Copilot access was
-            last updated, in ISO 8601 format.
+          deprecated: true
+          description: "**Closing down notice:** This field is no longer relevant
+            and is closing down. Use the `created_at` field to determine when the
+            assignee was last granted access to GitHub Copilot. Timestamp of when
+            the assignee's GitHub Copilot access was last updated, in ISO 8601 format."
         plan_type:
           type: string
           description: The Copilot plan of the organization, or the parent enterprise,
diff --git a/descriptions-next/api.github.com/api.github.com.json b/descriptions-next/api.github.com/api.github.com.json
index 0cb21b284..208f5b69e 100644
--- a/descriptions-next/api.github.com/api.github.com.json
+++ b/descriptions-next/api.github.com/api.github.com.json
@@ -95776,7 +95776,8 @@
           "updated_at": {
             "type": "string",
             "format": "date-time",
-            "description": "Timestamp of when the assignee's GitHub Copilot access was last updated, in ISO 8601 format."
+            "deprecated": true,
+            "description": "**Closing down notice:** This field is no longer relevant and is closing down. Use the `created_at` field to determine when the assignee was last granted access to GitHub Copilot. Timestamp of when the assignee's GitHub Copilot access was last updated, in ISO 8601 format."
           },
           "plan_type": {
             "type": "string",
diff --git a/descriptions-next/api.github.com/api.github.com.yaml b/descriptions-next/api.github.com/api.github.com.yaml
index d61450224..d9a67cf4f 100644
--- a/descriptions-next/api.github.com/api.github.com.yaml
+++ b/descriptions-next/api.github.com/api.github.com.yaml
@@ -69249,8 +69249,11 @@ components:
         updated_at:
           type: string
           format: date-time
-          description: Timestamp of when the assignee's GitHub Copilot access was
-            last updated, in ISO 8601 format.
+          deprecated: true
+          description: "**Closing down notice:** This field is no longer relevant
+            and is closing down. Use the `created_at` field to determine when the
+            assignee was last granted access to GitHub Copilot. Timestamp of when
+            the assignee's GitHub Copilot access was last updated, in ISO 8601 format."
         plan_type:
           type: string
           description: The Copilot plan of the organization, or the parent enterprise,
diff --git a/descriptions-next/api.github.com/dereferenced/api.github.com.2022-11-28.deref.json b/descriptions-next/api.github.com/dereferenced/api.github.com.2022-11-28.deref.json
index 7599a62ef..314756b64 100644
--- a/descriptions-next/api.github.com/dereferenced/api.github.com.2022-11-28.deref.json
+++ b/descriptions-next/api.github.com/dereferenced/api.github.com.2022-11-28.deref.json
@@ -18457,7 +18457,8 @@
                           "updated_at": {
                             "type": "string",
                             "format": "date-time",
-                            "description": "Timestamp of when the assignee's GitHub Copilot access was last updated, in ISO 8601 format."
+                            "deprecated": true,
+                            "description": "**Closing down notice:** This field is no longer relevant and is closing down. Use the `created_at` field to determine when the assignee was last granted access to GitHub Copilot. Timestamp of when the assignee's GitHub Copilot access was last updated, in ISO 8601 format."
                           },
                           "plan_type": {
                             "type": "string",
@@ -81513,7 +81514,8 @@
                           "updated_at": {
                             "type": "string",
                             "format": "date-time",
-                            "description": "Timestamp of when the assignee's GitHub Copilot access was last updated, in ISO 8601 format."
+                            "deprecated": true,
+                            "description": "**Closing down notice:** This field is no longer relevant and is closing down. Use the `created_at` field to determine when the assignee was last granted access to GitHub Copilot. Timestamp of when the assignee's GitHub Copilot access was last updated, in ISO 8601 format."
                           },
                           "plan_type": {
                             "type": "string",
@@ -108601,7 +108603,8 @@
                     "updated_at": {
                       "type": "string",
                       "format": "date-time",
-                      "description": "Timestamp of when the assignee's GitHub Copilot access was last updated, in ISO 8601 format."
+                      "deprecated": true,
+                      "description": "**Closing down notice:** This field is no longer relevant and is closing down. Use the `created_at` field to determine when the assignee was last granted access to GitHub Copilot. Timestamp of when the assignee's GitHub Copilot access was last updated, in ISO 8601 format."
                     },
                     "plan_type": {
                       "type": "string",
diff --git a/descriptions-next/api.github.com/dereferenced/api.github.com.2022-11-28.deref.yaml b/descriptions-next/api.github.com/dereferenced/api.github.com.2022-11-28.deref.yaml
index 0d3fa3717..721de6d15 100644
--- a/descriptions-next/api.github.com/dereferenced/api.github.com.2022-11-28.deref.yaml
+++ b/descriptions-next/api.github.com/dereferenced/api.github.com.2022-11-28.deref.yaml
@@ -7599,8 +7599,12 @@ paths:
                         updated_at:
                           type: string
                           format: date-time
-                          description: Timestamp of when the assignee's GitHub Copilot
-                            access was last updated, in ISO 8601 format.
+                          deprecated: true
+                          description: "**Closing down notice:** This field is no
+                            longer relevant and is closing down. Use the `created_at`
+                            field to determine when the assignee was last granted
+                            access to GitHub Copilot. Timestamp of when the assignee's
+                            GitHub Copilot access was last updated, in ISO 8601 format."
                         plan_type:
                           type: string
                           description: The Copilot plan of the organization, or the
diff --git a/descriptions-next/api.github.com/dereferenced/api.github.com.deref.json b/descriptions-next/api.github.com/dereferenced/api.github.com.deref.json
index 7599a62ef..314756b64 100644
--- a/descriptions-next/api.github.com/dereferenced/api.github.com.deref.json
+++ b/descriptions-next/api.github.com/dereferenced/api.github.com.deref.json
@@ -18457,7 +18457,8 @@
                           "updated_at": {
                             "type": "string",
                             "format": "date-time",
-                            "description": "Timestamp of when the assignee's GitHub Copilot access was last updated, in ISO 8601 format."
+                            "deprecated": true,
+                            "description": "**Closing down notice:** This field is no longer relevant and is closing down. Use the `created_at` field to determine when the assignee was last granted access to GitHub Copilot. Timestamp of when the assignee's GitHub Copilot access was last updated, in ISO 8601 format."
                           },
                           "plan_type": {
                             "type": "string",
@@ -81513,7 +81514,8 @@
                           "updated_at": {
                             "type": "string",
                             "format": "date-time",
-                            "description": "Timestamp of when the assignee's GitHub Copilot access was last updated, in ISO 8601 format."
+                            "deprecated": true,
+                            "description": "**Closing down notice:** This field is no longer relevant and is closing down. Use the `created_at` field to determine when the assignee was last granted access to GitHub Copilot. Timestamp of when the assignee's GitHub Copilot access was last updated, in ISO 8601 format."
                           },
                           "plan_type": {
                             "type": "string",
@@ -108601,7 +108603,8 @@
                     "updated_at": {
                       "type": "string",
                       "format": "date-time",
-                      "description": "Timestamp of when the assignee's GitHub Copilot access was last updated, in ISO 8601 format."
+                      "deprecated": true,
+                      "description": "**Closing down notice:** This field is no longer relevant and is closing down. Use the `created_at` field to determine when the assignee was last granted access to GitHub Copilot. Timestamp of when the assignee's GitHub Copilot access was last updated, in ISO 8601 format."
                     },
                     "plan_type": {
                       "type": "string",
diff --git a/descriptions-next/api.github.com/dereferenced/api.github.com.deref.yaml b/descriptions-next/api.github.com/dereferenced/api.github.com.deref.yaml
index 0d3fa3717..721de6d15 100644
--- a/descriptions-next/api.github.com/dereferenced/api.github.com.deref.yaml
+++ b/descriptions-next/api.github.com/dereferenced/api.github.com.deref.yaml
@@ -7599,8 +7599,12 @@ paths:
                         updated_at:
                           type: string
                           format: date-time
-                          description: Timestamp of when the assignee's GitHub Copilot
-                            access was last updated, in ISO 8601 format.
+                          deprecated: true
+                          description: "**Closing down notice:** This field is no
+                            longer relevant and is closing down. Use the `created_at`
+                            field to determine when the assignee was last granted
+                            access to GitHub Copilot. Timestamp of when the assignee's
+                            GitHub Copilot access was last updated, in ISO 8601 format."
                         plan_type:
                           type: string
                           description: The Copilot plan of the organization, or the
diff --git a/descriptions-next/ghec/dereferenced/ghec.2022-11-28.deref.json b/descriptions-next/ghec/dereferenced/ghec.2022-11-28.deref.json
index 09177b2c6..8ca6d9eac 100644
--- a/descriptions-next/ghec/dereferenced/ghec.2022-11-28.deref.json
+++ b/descriptions-next/ghec/dereferenced/ghec.2022-11-28.deref.json
@@ -28851,7 +28851,8 @@
                           "updated_at": {
                             "type": "string",
                             "format": "date-time",
-                            "description": "Timestamp of when the assignee's GitHub Copilot access was last updated, in ISO 8601 format."
+                            "deprecated": true,
+                            "description": "**Closing down notice:** This field is no longer relevant and is closing down. Use the `created_at` field to determine when the assignee was last granted access to GitHub Copilot. Timestamp of when the assignee's GitHub Copilot access was last updated, in ISO 8601 format."
                           },
                           "plan_type": {
                             "type": "string",
@@ -95767,7 +95768,8 @@
                           "updated_at": {
                             "type": "string",
                             "format": "date-time",
-                            "description": "Timestamp of when the assignee's GitHub Copilot access was last updated, in ISO 8601 format."
+                            "deprecated": true,
+                            "description": "**Closing down notice:** This field is no longer relevant and is closing down. Use the `created_at` field to determine when the assignee was last granted access to GitHub Copilot. Timestamp of when the assignee's GitHub Copilot access was last updated, in ISO 8601 format."
                           },
                           "plan_type": {
                             "type": "string",
@@ -126561,7 +126563,8 @@
                     "updated_at": {
                       "type": "string",
                       "format": "date-time",
-                      "description": "Timestamp of when the assignee's GitHub Copilot access was last updated, in ISO 8601 format."
+                      "deprecated": true,
+                      "description": "**Closing down notice:** This field is no longer relevant and is closing down. Use the `created_at` field to determine when the assignee was last granted access to GitHub Copilot. Timestamp of when the assignee's GitHub Copilot access was last updated, in ISO 8601 format."
                     },
                     "plan_type": {
                       "type": "string",
diff --git a/descriptions-next/ghec/dereferenced/ghec.2022-11-28.deref.yaml b/descriptions-next/ghec/dereferenced/ghec.2022-11-28.deref.yaml
index e39028d38..2257cae2f 100644
--- a/descriptions-next/ghec/dereferenced/ghec.2022-11-28.deref.yaml
+++ b/descriptions-next/ghec/dereferenced/ghec.2022-11-28.deref.yaml
@@ -11969,8 +11969,12 @@ paths:
                         updated_at:
                           type: string
                           format: date-time
-                          description: Timestamp of when the assignee's GitHub Copilot
-                            access was last updated, in ISO 8601 format.
+                          deprecated: true
+                          description: "**Closing down notice:** This field is no
+                            longer relevant and is closing down. Use the `created_at`
+                            field to determine when the assignee was last granted
+                            access to GitHub Copilot. Timestamp of when the assignee's
+                            GitHub Copilot access was last updated, in ISO 8601 format."
                         plan_type:
                           type: string
                           description: The Copilot plan of the organization, or the
diff --git a/descriptions-next/ghec/dereferenced/ghec.deref.json b/descriptions-next/ghec/dereferenced/ghec.deref.json
index 09177b2c6..8ca6d9eac 100644
--- a/descriptions-next/ghec/dereferenced/ghec.deref.json
+++ b/descriptions-next/ghec/dereferenced/ghec.deref.json
@@ -28851,7 +28851,8 @@
                           "updated_at": {
                             "type": "string",
                             "format": "date-time",
-                            "description": "Timestamp of when the assignee's GitHub Copilot access was last updated, in ISO 8601 format."
+                            "deprecated": true,
+                            "description": "**Closing down notice:** This field is no longer relevant and is closing down. Use the `created_at` field to determine when the assignee was last granted access to GitHub Copilot. Timestamp of when the assignee's GitHub Copilot access was last updated, in ISO 8601 format."
                           },
                           "plan_type": {
                             "type": "string",
@@ -95767,7 +95768,8 @@
                           "updated_at": {
                             "type": "string",
                             "format": "date-time",
-                            "description": "Timestamp of when the assignee's GitHub Copilot access was last updated, in ISO 8601 format."
+                            "deprecated": true,
+                            "description": "**Closing down notice:** This field is no longer relevant and is closing down. Use the `created_at` field to determine when the assignee was last granted access to GitHub Copilot. Timestamp of when the assignee's GitHub Copilot access was last updated, in ISO 8601 format."
                           },
                           "plan_type": {
                             "type": "string",
@@ -126561,7 +126563,8 @@
                     "updated_at": {
                       "type": "string",
                       "format": "date-time",
-                      "description": "Timestamp of when the assignee's GitHub Copilot access was last updated, in ISO 8601 format."
+                      "deprecated": true,
+                      "description": "**Closing down notice:** This field is no longer relevant and is closing down. Use the `created_at` field to determine when the assignee was last granted access to GitHub Copilot. Timestamp of when the assignee's GitHub Copilot access was last updated, in ISO 8601 format."
                     },
                     "plan_type": {
                       "type": "string",
diff --git a/descriptions-next/ghec/dereferenced/ghec.deref.yaml b/descriptions-next/ghec/dereferenced/ghec.deref.yaml
index e39028d38..2257cae2f 100644
--- a/descriptions-next/ghec/dereferenced/ghec.deref.yaml
+++ b/descriptions-next/ghec/dereferenced/ghec.deref.yaml
@@ -11969,8 +11969,12 @@ paths:
                         updated_at:
                           type: string
                           format: date-time
-                          description: Timestamp of when the assignee's GitHub Copilot
-                            access was last updated, in ISO 8601 format.
+                          deprecated: true
+                          description: "**Closing down notice:** This field is no
+                            longer relevant and is closing down. Use the `created_at`
+                            field to determine when the assignee was last granted
+                            access to GitHub Copilot. Timestamp of when the assignee's
+                            GitHub Copilot access was last updated, in ISO 8601 format."
                         plan_type:
                           type: string
                           description: The Copilot plan of the organization, or the
diff --git a/descriptions-next/ghec/ghec.2022-11-28.json b/descriptions-next/ghec/ghec.2022-11-28.json
index 8d19ed9b8..a980d3996 100644
--- a/descriptions-next/ghec/ghec.2022-11-28.json
+++ b/descriptions-next/ghec/ghec.2022-11-28.json
@@ -106319,7 +106319,8 @@
           "updated_at": {
             "type": "string",
             "format": "date-time",
-            "description": "Timestamp of when the assignee's GitHub Copilot access was last updated, in ISO 8601 format."
+            "deprecated": true,
+            "description": "**Closing down notice:** This field is no longer relevant and is closing down. Use the `created_at` field to determine when the assignee was last granted access to GitHub Copilot. Timestamp of when the assignee's GitHub Copilot access was last updated, in ISO 8601 format."
           },
           "plan_type": {
             "type": "string",
diff --git a/descriptions-next/ghec/ghec.2022-11-28.yaml b/descriptions-next/ghec/ghec.2022-11-28.yaml
index 510cdb8fd..62d8626a7 100644
--- a/descriptions-next/ghec/ghec.2022-11-28.yaml
+++ b/descriptions-next/ghec/ghec.2022-11-28.yaml
@@ -77000,8 +77000,11 @@ components:
         updated_at:
           type: string
           format: date-time
-          description: Timestamp of when the assignee's GitHub Copilot access was
-            last updated, in ISO 8601 format.
+          deprecated: true
+          description: "**Closing down notice:** This field is no longer relevant
+            and is closing down. Use the `created_at` field to determine when the
+            assignee was last granted access to GitHub Copilot. Timestamp of when
+            the assignee's GitHub Copilot access was last updated, in ISO 8601 format."
         plan_type:
           type: string
           description: The Copilot plan of the organization, or the parent enterprise,
diff --git a/descriptions-next/ghec/ghec.json b/descriptions-next/ghec/ghec.json
index 8d19ed9b8..a980d3996 100644
--- a/descriptions-next/ghec/ghec.json
+++ b/descriptions-next/ghec/ghec.json
@@ -106319,7 +106319,8 @@
           "updated_at": {
             "type": "string",
             "format": "date-time",
-            "description": "Timestamp of when the assignee's GitHub Copilot access was last updated, in ISO 8601 format."
+            "deprecated": true,
+            "description": "**Closing down notice:** This field is no longer relevant and is closing down. Use the `created_at` field to determine when the assignee was last granted access to GitHub Copilot. Timestamp of when the assignee's GitHub Copilot access was last updated, in ISO 8601 format."
           },
           "plan_type": {
             "type": "string",
diff --git a/descriptions-next/ghec/ghec.yaml b/descriptions-next/ghec/ghec.yaml
index 510cdb8fd..62d8626a7 100644
--- a/descriptions-next/ghec/ghec.yaml
+++ b/descriptions-next/ghec/ghec.yaml
@@ -77000,8 +77000,11 @@ components:
         updated_at:
           type: string
           format: date-time
-          description: Timestamp of when the assignee's GitHub Copilot access was
-            last updated, in ISO 8601 format.
+          deprecated: true
+          description: "**Closing down notice:** This field is no longer relevant
+            and is closing down. Use the `created_at` field to determine when the
+            assignee was last granted access to GitHub Copilot. Timestamp of when
+            the assignee's GitHub Copilot access was last updated, in ISO 8601 format."
         plan_type:
           type: string
           description: The Copilot plan of the organization, or the parent enterprise,