--- a/README	Wed Apr 23 15:32:52 2014 -0700
+++ b/README	Wed Apr 23 15:58:55 2014 -0700
@@ -42,11 +42,17 @@
 Changelog
 =========
 
-3.4.0 --
-
+4.0.0 --
 
+- deprecated `gup` and `gdown` in favor of prev and next
+- dropped compatibility to `latercomer` and `conflicting` alias for bumped and
+  divergent.
+- record parent of pruned parent at prune time
+- fold: enable --date and --user options
+- added a `debugobsstorestat` command to gather data on obsmarker content.
+- added a `debugrecordpruneparents` command to upgrade existing prune marker
+  with parent information. Please run it once per repo after upgrading.
 - improvement to obsolescence marker exchange:
-  - record parent of pruned parent at prune time
   - added progress when pushing obsmarkers
   - added multiple output during obsolescence markers exchange
   - only push markers relevant to pushed subset
@@ -54,6 +60,7 @@
     - added progress when pulling obsmarkers
     - only pull markers relevant to pulled subset
     - avoid exchanging common markers in some case
+ - add a hook related to the new commands
 
 3.3.1 -- 2014-04-23