Reintroduce _invoke_flag

discord/channel.py

@@ -198,7 +198,7 @@ def _update(self, guild: Guild, data: Union[TextChannelPayload, ForumChannelPayl
         self._type: int = data["type"]
 
         # This data may be missing depending on how this object is being created/updated
-        if data.get("position", None) is not None:
+        if not data.pop("_invoke_flag", False):
             self.topic: Optional[str] = data.get("topic")
             self.position: int = data.get("position")
             self.nsfw: bool = data.get("nsfw", False)

discord/commands/core.py

@@ -817,6 +817,7 @@ async def _invoke(self, ctx: ApplicationContext) -> None:
                         int(arg) in ctx.guild._channels or int(arg) in ctx.guild._threads
                     ):
                         arg = ctx.guild.get_channel_or_thread(int(arg))
+                        _data["_invoke_flag"] = True
                         arg._update(_data) if isinstance(arg, Thread) else arg._update(ctx.guild, _data)
                     else:
                         obj_type = None

discord/threads.py

@@ -184,7 +184,7 @@ def _from_data(self, data: ThreadPayload):
         self.flags: ChannelFlags = ChannelFlags._from_value(data.get("flags", 0))
 
         # Here, we try to fill in potentially missing data
-        if thread := self.guild.get_thread(self.id):
+        if thread := self.guild.get_thread(self.id) and data.pop("_invoke_flag", False):
             self.owner_id = thread.owner_id if self.owner_id is None else self.owner_id
             self.last_message_id = thread.last_message_id if self.last_message_id is None else self.last_message_id
             self.message_count = thread.message_count if self.message_count is None else self.message_count