changelog entry + deltachat.h entry

CHANGELOG.md

@@ -28,6 +28,7 @@
 - order contact lists by "last seen";
   this affects `dc_get_chat_contacts()`, `dc_get_contacts()` and `dc_get_blocked_contacts()` #3562
 - add `internet_access` flag to `dc_msg_get_webxdc_info()` #3516
+- `DC_EVENT_WEBXDC_INSTANCE_DELETED` is emitted when a message containing a webxdc gets deleted #3105
 
 ### Fixes
 - do not emit notifications for blocked chats #3557

deltachat-ffi/deltachat.h

@@ -5726,6 +5726,14 @@ void dc_event_unref(dc_event_t* event);
  */
 #define DC_EVENT_WEBXDC_STATUS_UPDATE             2120
 
+/**
+ * Message deleted which contained a webxdc instance.
+ *
+ * @param data1 (int) msg_id
+ */
+
+#define DC_EVENT_WEBXDC_INSTANCE_DELETED          2120
+
 
 /**
  * @}