--- a/README	Thu Jun 15 16:29:51 2017 +0200
+++ b/README	Thu Jun 15 17:18:25 2017 +0200
@@ -121,11 +121,16 @@
 Changelog
 =========
 
+6.4.0 - inprogress
+------------------
+
+ - effect flag: the experiment is now active by default,
+   (see 'hg help -e evolve' to opt out)
+ - obscache: reduce impact on large repository
+
 6.3.2 - in progress
 -------------------
 
- - effect flag: the experiment is now active by default,
-   (see 'hg help -e evolve' to opt out)
  - effect flag: fix a small bug related to hidden changeset,
  - obshashrange: install a '.max-revs' option see extension help for details