Added value: +{
+  "description": "Optional precondition: the post's updatedAt exactly as the last read returned it. The update is refused with 409 CONFLICT if a teammate has changed the post since, rather than overwriting their version. Pass it whenever you read a post before editing it; omit it to keep the previous last-write-wins behaviour.",
+  "type": "string"
+}

Added value: +{
+  "description": "With postTypeOverrides.bluesky = 'repost': the bsky.app post URL (or at:// URI) to repost.",
+  "type": "string"
+}

Added value: +{
+  "description": "Cover image URL for a video or Reel. Facebook only accepts a cover once the video exists, so it is applied after the video publishes and appears a moment after the post; a cover that cannot be fetched or that Facebook rejects leaves the video published with Facebook's own chosen frame rather than failing the post.",
+  "type": "string"
+}

Added value: +"Comma-separated Instagram usernames (no leading @) tagged as co-authors. Applies with postTypeOverrides.instagram of 'feed_photo', 'feed_video', 'reel' or 'carousel' — on a carousel the co-authors are set on the carousel itself, not on its individual items. Ignored on 'story', which has no co-author concept."

Added value: +{
+  "description": "Cover image URL for a video or Reel. Takes precedence over thumbnailTimestamp: Instagram accepts one or the other and rejects a request carrying both, so only this one is forwarded when both are sent.",
+  "type": "string"
+}

Added value: +"How a trial reel becomes a normal one: 'manual' (the creator releases it) or 'auto' (released automatically if it performs well). Default 'manual'. Ignored unless trialReel is true."

Added value: +"Cover frame for a video or Reel, in seconds from the start. Applies to postTypeOverrides.instagram of 'feed_video' or 'reel'. Ignored when coverUrl is also set."

Added value: +"Publish as a trial reel, shown to people who do not follow the account first. Only takes effect with postTypeOverrides.instagram of 'reel' — a 'feed_video' publishes as an ordinary reel and this is ignored, even though both use the same underlying reel container."

Added value: +{
+  "description": "With postTypeOverrides.mastodon = 'repost': the status URL or ID to boost.",
+  "type": "string"
+}

Added value: +{
+  "description": "Numeric place ID from get_channel_options with a `q` search on a Threads channel. Only works once the channel has granted location tagging.",
+  "type": "string"
+}

Added value: +{
+  "description": "With postTypeOverrides.threads = 'repost': the numeric ID of the Threads post to repost (Threads links cannot be used; the ID of a post published through BulkPublish is in get_post's platforms[].platformPostId).",
+  "type": "string"
+}

Added value: +{
+  "description": "One topic tag for the post, without a leading '#'. Must not contain periods or ampersands.",
+  "type": "string"
+}

Added value: +"Cover frame for the video, in seconds from the start."

Previous value: -"Tumblr options, nested under the BulkPublish channel id: { \"12\": { \"blogName\": \"myblog\", \"tags\": [\"art\"] } }. A flat object applies to every Tumblr channel on the post. Up to 30 images OR exactly one video per post."New value: +"Tumblr options, nested under the BulkPublish channel id: { \"12\": { \"blogName\": \"myblog\", \"tags\": [\"art\"] } } (tags: array of strings or one comma-separated string). A flat object applies to every Tumblr channel on the post. Up to 30 images OR exactly one video per post."

Added value: +{
+  "description": "With postTypeOverrides.x = 'repost': the X post URL or ID to repost (retweet).",
+  "type": "string"
+}

Previous value: -[
-  "post",
-  "video"
-]New value: +[
+  "post",
+  "video",
+  "thread",
+  "repost"
+]

Previous value: -[
-  "post"
-]New value: +[
+  "post",
+  "thread",
+  "repost"
+]

Previous value: -[
-  "text",
-  "image",
-  "video",
-  "carousel"
-]New value: +[
+  "text",
+  "image",
+  "video",
+  "carousel",
+  "repost"
+]

Previous value: -[
-  "tweet",
-  "video",
-  "thread"
-]New value: +[
+  "tweet",
+  "video",
+  "thread",
+  "repost"
+]

Added value: +{
+  "description": "Optional. Set true to have the post go out as soon as it is approved, even after its scheduled time (see create_post). An explicit value is stored while the post waits for approval. Omitted, it is kept, except that sending a different scheduledAt clears it to false, and it is always false once the post is no longer approvalStatus 'pending'.",
+  "type": "boolean"
+}

Added value: +{
+  "anyOf": [
+    {
+      "additionalProperties": {},
+      "properties": {},
+      "type": "object"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "description": "Who approved it: { id, name, image }. Null unless approvalStatus is approved."
+}

Added value: +{
+  "anyOf": [
+    {
+      "additionalProperties": {},
+      "properties": {},
+      "type": "object"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "description": "Who is expected to act on it next: { id, name, image }. Null when nobody is."
+}

Added value: +{
+  "anyOf": [
+    {
+      "additionalProperties": {},
+      "properties": {},
+      "type": "object"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "description": "Who wrote the post: { id, name, image }. Null when that account is gone."
+}

Previous value: -[
-  {
-    "items": {
-      "additionalProperties": {},
-      "properties": {},
-      "type": "object"
-    },
-    "type": "array"
-  },
-  {
-    "type": "null"
-  }
-]New value: +[
+  {
+    "items": {
+      "anyOf": [
+        {
+          "type": "number"
+        },
+        {
+          "type": "string"
+        },
+        {
+          "additionalProperties": {},
+          "properties": {},
+          "type": "object"
+        }
+      ]
+    },
+    "type": "array"
+  },
+  {
+    "type": "null"
+  }
+]

Previous value: -nullNew value: +{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "additionalProperties": false,
+  "properties": {
+    "approvalStatus": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ]
+    },
+    "content": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ]
+    },
+    "createdAt": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ]
+    },
+    "id": {
+      "anyOf": [
+        {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "string"
+            }
+          ]
+        },
+        {
+          "type": "null"
+        }
+      ]
+    },
+    "labels": {
+      "anyOf": [
+        {
+          "items": {
+            "additionalProperties": {},
+            "properties": {},
+            "type": "object"
+          },
+          "type": "array"
+        },
+        {
+          "type": "null"
+        }
+      ]
+    },
+    "mediaFiles": {
+      "anyOf": [
+        {
+          "items": {
+            "additionalProperties": {},
+            "properties": {},
+            "type": "object"
+          },
+          "type": "array"
+        },
+        {
+          "type": "null"
+        }
+      ]
+    },
+    "postPlatforms": {
+      "anyOf": [
+        {
+          "items": {
+            "additionalProperties": {},
+            "properties": {
+              "platform": {
+                "anyOf": [
+                  {
+                    "type": "string"
+                  },
+                  {
+                    "type": "null"
+                  }
+                ]
+              },
+              "status": {
+                "anyOf": [
+                  {
+                    "type": "string"
+                  },
+                  {
+                    "type": "null"
+                  }
+                ]
+              }
+            },
+            "type": "object"
+          },
+          "type": "array"
+        },
+        {
+          "type": "null"
+        }
+      ]
+    },
+    "publishedAt": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ]
+    },
+    "scheduledAt": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ]
+    },
+    "status": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "description": "draft, scheduled, processing, published, partial or failed."
+    },
+    "timezone": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ]
+    }
+  },
+  "type": "object"
+}