Updated to reflect savepoints.

NEWS.txt

@@ -2,6 +2,15 @@ What's new in ZODB3 3.4a4?
 ==========================
 Release date: 23-Apr-2005
 
+Transactions
+------------
+
+Transactions now support savepoints.  Savepoints allow changes to be
+periodically be checkpointed within a transaction.  You can then
+rollback to a previously created savepoint.  See
+transaction/savepoint.txt.
+
+
 ZEO
 ---
 
@@ -62,6 +71,12 @@ this out required adding ``last=`` everywhere, or removing it everywhere.
 Since recursion isn't actually needed, and there was no other use for
 ``last=``, removing it everywhere was the obvious choice.
 
+Support for ZODB4 savepoint-aware data managers has been dropped
+----------------------------------------------------------------
+
+In adding savepoint support, we dropped the attempted support
+for ZODB4 data managers that support savepoints.  We don't think that
+this will affect anyone.
 
 What's new in ZODB3 3.4a3?
 ==========================