--- a/doc/3.21.rst	Fri Mar 13 16:57:32 2015 +0100
+++ b/doc/3.21.rst	Tue Jun 03 16:57:14 2014 +0200
@@ -37,3 +37,4 @@
   rename the configuration file from repository.conf to all-in-one.conf
   and run ``cubicweb-ctl upgrade`` to update it.
 
+* the old (deprecated since 3.19) `DBAPI` api is completely removed