Enable message carbons by default

data/default_config.cfg

@@ -410,7 +410,7 @@ notify_messages = true
 
 # Enable Message Carbons (XEP-0280) to deliver message copies from and to
 # other resources with carbons enabled.
-enable_carbons = false
+enable_carbons = true
 
 # Acknowledge message delivery receipts (XEP-0184)
 ack_message_receipts = true

doc/source/configuration.rst

@@ -295,10 +295,12 @@ to understand what is :ref:`carbons <carbons-details>` or
 
     enable_carbons
 
-        **Default value:** ``false``
+        **Default value:** ``true``
 
-        Set this to ``true`` to enable Message Carbons (XEP-280), which allows transparent message
-        delivery from and to other resources with carbons enabled.
+        Set this to ``false`` to disable Message Carbons (XEP-280), which allows
+        transparent message delivery from and to other resources with carbons
+        enabled. There should be no reason to disable this except if you encounter
+        issues with your server.
 
     enable_user_activity
 

src/config.py

@@ -50,7 +50,7 @@ DEFAULT_CONFIG = {
         'display_mood_notifications': False,
         'display_tune_notifications': False,
         'display_user_color_in_join_part': True,
-        'enable_carbons': False,
+        'enable_carbons': True,
         'enable_user_activity': True,
         'enable_user_gaming': True,
         'enable_user_mood': True,