--- a/mercurial/configitems.py	Wed Oct 11 03:41:01 2017 +0200
+++ b/mercurial/configitems.py	Wed Oct 11 03:41:48 2017 +0200
@@ -730,6 +730,9 @@
 coreconfigitem('web', 'ipv6',
     default=False,
 )
+coreconfigitem('web', 'maxchanges',
+    default=10,
+)
 coreconfigitem('web', 'maxfiles',
     default=10,
 )