Update CHANGES.txt
diff --git a/CHANGES.txt b/CHANGES.txt
index 4386147..5b19ba9 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,5 +1,47 @@
HBase Change Log
+Release Notes - HBase - Version 1.4.5 6/13/2018
+
+** Sub-task
+ * [HBASE-20316] - Backport HBASE-20229 "ConnectionImplementation.locateRegions() returns duplicated entries when region replication is on" to branch-1
+ * [HBASE-20647] - Backport HBASE-20616 "TruncateTableProcedure is stuck in retry loop in TRUNCATE_TABLE_CREATE_FS_LAYOUT state" to branch-1
+
+** Bug
+ * [HBASE-18842] - The hbase shell clone_snaphost command returns bad error message
+ * [HBASE-19924] - hbase rpc throttling does not work for multi() with request count rater.
+ * [HBASE-20004] - Client is not able to execute REST queries in a secure cluster
+ * [HBASE-20204] - Add locking to RefreshFileConnections in BucketCache
+ * [HBASE-20447] - Only fail cacheBlock if block collisions aren't related to next block metadata
+ * [HBASE-20500] - [rsgroup] should keep at least one server in default group
+ * [HBASE-20517] - Fix PerformanceEvaluation 'column' parameter
+ * [HBASE-20554] - "WALs outstanding" message from CleanerChore is noisy
+ * [HBASE-20571] - JMXJsonServlet generates invalid JSON if it has NaN in metrics
+ * [HBASE-20590] - REST Java client is not able to negotiate with the server in the secure mode
+ * [HBASE-20591] - nightly job doesn't respect maven options
+ * [HBASE-20597] - Use a lock to serialize access to a shared reference to ZooKeeperWatcher in HBaseReplicationEndpoint
+ * [HBASE-20627] - Relocate RS Group pre/post hooks from RSGroupAdminServer to RSGroupAdminEndpoint
+ * [HBASE-20638] - nightly source artifact testing should fail the stage if it's going to report an error on jira
+ * [HBASE-20664] - Variable shared across multiple threads
+ * [HBASE-20669] - [findbugs] autoboxing to parse primitive
+ * [HBASE-20670] - NPE in HMaster#isInMaintenanceMode
+
+** Improvement
+ * [HBASE-20523] - PE tool should support configuring client side buffering sizes
+ * [HBASE-20545] - Improve performance of BaseLoadBalancer.retainAssignment
+ * [HBASE-20548] - Master fails to startup on large clusters, refreshing block distribution
+ * [HBASE-20605] - Exclude new Azure Storage FileSystem from SecureBulkLoadEndpoint permission check
+
+** Test
+ * [HBASE-20505] - PE should support multi column family read and write cases
+ * [HBASE-20513] - Collect and emit ScanMetrics in PerformanceEvaluation
+ * [HBASE-20619] - TestWeakObjectPool occasionally times out
+ * [HBASE-20646] - TestWALProcedureStoreOnHDFS failing on branch-1
+
+** Task
+ * [HBASE-19475] - Extend backporting strategy in documentation
+ * [HBASE-20595] - Remove the concept of 'special tables' from rsgroups
+ * [HBASE-20608] - Remove build option of error prone profile for branch-1 after HBASE-12350
+
Release Notes - HBase - Version 1.4.4 4/30/2018
** Sub-task
