--- a/CHANGELOG	Tue Aug 28 10:24:18 2018 +0200
+++ b/CHANGELOG	Tue Aug 28 20:00:46 2018 +0200
@@ -5,6 +5,8 @@
 -------------------
 
   * obshashrange: improved robusness of the cache under heavy load
+  * obshashrange: force recomputation of the final obshash related cache
+                  (to make sure people benefit from the 8.1.1 fixes)
 
 8.1.1 -- 2018-08-21
 -------------------