update RPC bindings

src/main/java/chat/delta/rpc/Rpc.java

@@ -682,7 +682,8 @@ public class Rpc {
    * Set group name.
    * <p>
    * If the group is already _promoted_ (any message was sent to the group),
-   * all group members are informed by a special status message that is sent automatically by this function.
+   * or if this is a brodacast channel,
+   * all members are informed by a special status message that is sent automatically by this function.
    * <p>
    * Sends out #DC_EVENT_CHAT_MODIFIED and #DC_EVENT_MSGS_CHANGED if a status message was sent.
    */
@@ -690,11 +691,37 @@ public class Rpc {
     transport.call("set_chat_name", mapper.valueToTree(accountId), mapper.valueToTree(chatId), mapper.valueToTree(newName));
   }
 
+  /**
+   * Set group or broadcast channel description.
+   * <p>
+   * If the group is already _promoted_ (any message was sent to the group),
+   * or if this is a brodacast channel,
+   * all members are informed by a special status message that is sent automatically by this function.
+   * <p>
+   * Sends out #DC_EVENT_CHAT_MODIFIED and #DC_EVENT_MSGS_CHANGED if a status message was sent.
+   * <p>
+   * See also [`Self::get_chat_description`] / `getChatDescription()`.
+   */
+  public void setChatDescription(Integer accountId, Integer chatId, String description) throws RpcException {
+    transport.call("set_chat_description", mapper.valueToTree(accountId), mapper.valueToTree(chatId), mapper.valueToTree(description));
+  }
+
+  /**
+   * Load the chat description from the database.
+   * <p>
+   * UIs show this in the profile page of the chat,
+   * it is settable by [`Self::set_chat_description`] / `setChatDescription()`.
+   */
+  public String getChatDescription(Integer accountId, Integer chatId) throws RpcException {
+    return transport.callForResult(new TypeReference<String>(){}, "get_chat_description", mapper.valueToTree(accountId), mapper.valueToTree(chatId));
+  }
+
   /**
    * Set group profile image.
    * <p>
    * If the group is already _promoted_ (any message was sent to the group),
-   * all group members are informed by a special status message that is sent automatically by this function.
+   * or if this is a brodacast channel,
+   * all members are informed by a special status message that is sent automatically by this function.
    * <p>
    * Sends out #DC_EVENT_CHAT_MODIFIED and #DC_EVENT_MSGS_CHANGED if a status message was sent.
    * <p>

src/main/java/chat/delta/rpc/types/SecurejoinSource.java

@@ -19,4 +19,4 @@ public enum SecurejoinSource {
 
   /** The user scanned a QR code */
   Scan,
-}
+}

src/main/java/chat/delta/rpc/types/SecurejoinUiPath.java

@@ -10,4 +10,4 @@ public enum SecurejoinUiPath {
 
   /** The user first clicked on the `+` button in the main screen, and then on "New Contact" */
   NewContact,
-}
+}

src/main/java/chat/delta/rpc/types/SystemMessageType.java

@@ -4,6 +4,7 @@ package chat.delta.rpc.types;
 public enum SystemMessageType {
   Unknown,
   GroupNameChanged,
+  GroupDescriptionChanged,
   GroupImageChanged,
   MemberAddedToGroup,
   MemberRemovedFromGroup,