diff --git a/VERSION b/VERSION
index 4cda8f1..685ad52 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.5.2
+1.5.3-pre1
diff --git a/release/1.5.rst b/release/1.5.rst
index f2f5186..b404db1 100644
--- a/release/1.5.rst
+++ b/release/1.5.rst
@@ -138,11 +138,38 @@
 * Application filtering is modeled in the API and the GUI, but application
   filtering is not active in the data plane.
 
-* Disabling/deleting a device group from a VCS does not restrict UE from
-  getting attached to the network [SDCORE-467]
+Aether-1.5.2 Change Notes
+-------------------------
 
-Component Versions in the 1.5 Release
--------------------------------------
+* Atomix:
+
+    * Fixed bug causing deadlock in state machines from gRPC back-pressure when events are not consumed by client
+    * Fixed inconsistency when reading from followers in multi-node Raft store
+
+* Onos-Config:
+
+    * Rollback can now apply to change change, not just the latest change.
+    * Changes that fail to sync to the adapter are now classified as “Failed” instead of “Pending”, and will
+      not be retried.
+    * Improved error handling and retries when reconciling network and device changes
+
+* ROC:
+
+    * sdcore-adapter: Fixed issue where disabling all device groups in a slice would prevent them from syncing
+    * GUI: Mock alarms are now hidden
+
+* SD-Core:
+
+    * SDCORE-559 MME fix - crash was seen while adding/updating slice config
+    * SDCORE-543 Device group enabled/disable support
+    * SDCORE-561 Default unit for QoS bit rates is Mbps.
+    * SDCORE-467 UE addition/deletion from device group.
+    * NAS message encoder fixes
+    * SDCORE-513 : SPGW crash during config update
+
+
+Component Versions in the 1.5.2 Release
+---------------------------------------
 
 Helm Chart Versions and their component charts and containers:
 
@@ -150,53 +177,69 @@
 
     * atomix-controller: ``v0.6.1``
 
-* atomix-raft: ``0.1.9``
+* atomix-raft: ``0.1.14``
 
-    * atomix-raft-storage-controller: ``v0.9.2``
+    * atomix-raft-storage-controller: ``v0.9.7``
 
-* aether-roc-umbrella: ``1.3.9``
+* aether-roc-umbrella: ``1.3.15``
 
-    * config-models/aether-3.x: ``3.0.13``
+    * config-models/aether-3.x: ``3.0.150``
 
-    * aether-roc-api: ``v0.7.14``
+    * aether-roc-api: ``v0.8.2``
 
-    * aether-roc-gui: ``v0.7.22``
+    * aether-roc-gui: ``v3.0.151``
 
-    * onos-config: ``v0.9.2``
+    * onos-config: ``v0.9.4``
 
     * onos-topo: ``v0.8.3``
 
-    * sdcore-adapter: ``v0.1.36``
+    * sdcore-adapter: ``v0.1.39``
 
-* sdcore-helm-chart: ``0.6.2``
+* sdcore-helm-chart: ``0.7.16``
 
-    * omec-control-plane: ``0.6.25``
+    * omec-control-plane: ``0.7.15``
 
-        * hssdb: ``c3po-hssdb:master-9a5f565``
-        * hss: ``c3po-hss:master-9a5f565``
-        * mme: ``nucleus:master-86d2678``
-        * spgwc: ``spgw:master-6aad2f2``
+        * hssdb: ``c3po-hssdb:master-771c0c3``
+        * hss: ``c3po-hss:master-771c0c3``
+        * mme: ``nucleus:master-5f0a821``
+        * spgwc: ``spgw:aether-1.5-cf4971d``
         * pcrf: ``c3po-pcrf:pcrf-b29af70``
         * pcrfdb: ``c3po-pcrfdb:pcrf-b29af70``
-        * config4g: ``5gc-webui:onf-release3.0.5-bf0b54f``
+        * config4g: ``5gc-webui:onf-release3.0.5-0534``
 
-    * omec-sub-provision: ``0.0.6``
+    * omec-sub-provision: ``0.1.3``
 
-        * simapp: ``simapp:main-7d20738``
+        * simapp: ``simapp:main-a2a3e71``
 
-    * 5g-control-plane: ``0.2.21``
+    * 5g-control-plane: ``0.3.14``
 
-        * amf: ``5gc-amf:onf-release3.0.5-921b890``
-        * nrf: ``5gc-nrf:onf-release3.0.5-3471442``
-        * smf: ``5gc-smf:onf-release3.0.5-e991983``
-        * ausf: ``5gc-ausf:onf-release3.0.5-85ea075``
-        * nssf: ``5gc-nssf:onf-release3.0.5-c372b24``
-        * pcf: ``5gc-pcf:onf-release3.0.5-95ae49f``
-        * udr: ``5gc-udr:onf-release3.0.5-bc3b287``
-        * udm: ``5gc-udm:onf-release3.0.5-40055e8``
-        * webui: ``5gc-webui:onf-release3.0.5-bf0b54f``
+        * amf: ``5gc-amf:onf-release3.0.5-03d3c6d``
+        * nrf: ``5gc-nrf:onf-release3.0.5-13304e8``
+        * smf: ``5gc-smf:onf-release3.0.5-bcbcd33``
+        * ausf: ``5gc-ausf:onf-release3.0.5-be7d4ac``
+        * nssf: ``5gc-nssf:onf-release3.0.5-aa3a60b``
+        * pcf: ``5gc-pcf:onf-release3.0.5-9f7734b``
+        * udr: ``5gc-udr:onf-release3.0.5-deef506``
+        * udm: ``5gc-udm:onf-release3.0.5-c28433a``
+        * webui: ``5gc-webui:onf-release3.0.5-0534804``
 
-    * omec-user-plane: ``0.3.36``
+    * omec-user-plane: ``0.4.8``
 
-        * bess: ``upf-epc-bess:master-fcdbc95``
-        * pfcpiface: ``upf-epc-pfcpiface:master-fcdbc95``
+        * bess: ``upf-epc-bess:master-d2c0793``
+        * pfcpiface: ``upf-epc-pfcpiface:master-d2c0793``
+
+* SD-Fabric:
+
+        * onos-tost helm chart: ``0.1.40``
+
+            * onos-tost: ``registry.aetherproject.org/tost/tost:master-2021-07-05``
+
+        * stratum helm chart: ``0.1.13``
+
+            * stratum: ``registry.aetherproject.org/tost/stratum-bfrt:20210625-9.3.1``
+
+* Sercomm eNB:
+
+        * Firmware version: ``TEST3918@210224``
+
+        * Configuration file version: ``0.1.0``