diff --git a/CHANGES.md b/CHANGES.md
index 37d26ab7301..dfd63af1806 100755
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -46,6 +46,7 @@
 
 | JIRA | Summary | Priority | Component |
 |:---- |:---- | :--- |:---- |
+| [HBASE-21843](https://issues.apache.org/jira/browse/HBASE-21843) | RegionGroupingProvider breaks the meta wal file name pattern which may cause data loss for meta region |  Blocker | wal |
 | [HBASE-21795](https://issues.apache.org/jira/browse/HBASE-21795) | Client application may get stuck (time bound) if a table modify op is called immediately after split op |  Critical | amv2 |
 | [HBASE-21840](https://issues.apache.org/jira/browse/HBASE-21840) | TestHRegionWithInMemoryFlush fails with NPE |  Blocker | test |
 | [HBASE-21644](https://issues.apache.org/jira/browse/HBASE-21644) | Modify table procedure runs infinitely for a table having region replication \> 1 |  Critical | Admin |