HDFS-9273. Moving to 2.6.3 CHANGES section to reflect the backport.

hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt

@@ -1442,9 +1442,6 @@ Release 2.8.0 - UNRELEASED
     HDFS-9274. Default value of dfs.datanode.directoryscan.throttle.limit.ms.per.sec
     should be consistent. (Yi Liu via zhz)
 
-    HDFS-9273. ACLs on root directory may be lost after NN restart.
-    (Xiao Chen via cnauroth)
-
     HDFS-9286. HttpFs does not parse ACL syntax correctly for operation
     REMOVEACLENTRIES. (Wei-Chiu Chuang via cnauroth)
 
@@ -2783,6 +2780,9 @@ Release 2.6.3 - UNRELEASED
     HDFS-9470. Encryption zone on root not loaded from fsimage after NN
     restart. (Xiao Chen via wang)
 
+    HDFS-9273. ACLs on root directory may be lost after NN restart.
+    (Xiao Chen via cnauroth)
+
 Release 2.6.2 - 2015-10-28
 
   INCOMPATIBLE CHANGES