Update SD-Core document for release 1.2

Change-Id: Id0a3c93df5ca79b594a330e7c3fb040b5a47113e
diff --git a/VERSION b/VERSION
index 26aaba0..538ee20 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.2.0
+1.2.1-dev
diff --git a/release/1.2.rst b/release/1.2.rst
index 466b034..fc42430 100644
--- a/release/1.2.rst
+++ b/release/1.2.rst
@@ -136,3 +136,42 @@
 
     * 5g-ran-sim ``0.5.9``
         * gnbsim: ``omecproject/5gc-gnbsim:main-0e4b557``
+
+
+Component Versions in the 1.2.1 Release
+---------------------------------------
+
+Helm Chart Versions and their component charts and containers:
+
+* sdcore-helm-chart: ``0.11.16``
+    * omec-control-plane: ``0.11.2``
+        * hssdb: ``omecproject/c3po-hssdb:master-df54425``
+        * hss  : ``omecproject/c3po-hss:master-df54425``
+        * pcrf  : ``omecproject/c3po-pcrf:pcrf-d58dd1c``
+        * pcrfdb  : ``omecproject/c3po-pcrf:pcrf-d58dd1c``
+        * config4g  : ``omecproject/5gc-webui:master-1121545``
+        * spgwc  : ``omecproject/spgw:master-e419062``
+        * mme  : ``omecproject/nucleus:master-a8002eb``
+
+    * omec-sub-provision: ``0.5.3``
+        * simapp: ``omecproject/simapp:main-a4f741a``
+
+    * 5g-control-plane: ``0.7.17``
+        * amf: ``romecproject/5gc-amf:master-af1c9f1``
+        * nrf: ``omecproject/5gc-nrf:master-4313faa``
+        * smf: ``omecproject/5gc-smf:master-5fef5a5``
+        * ausf: ``omecproject/5gc-ausf:master-c84dff4``
+        * nssf: ``omecproject/5gc-nssf:master-4e5aef3``
+        * pcf: ``omecproject/5gc-pcf:master-bcbdeb0``
+        * udr: ``omecproject/5gc-udr:master-35eb7b7``
+        * udm: ``omecproject/5gc-udm:master-a0f0671``
+        * webui: ``omecproject/5gc-webui:master-1121545``
+        * sctplb: ``omecproject/sctplb:master-bf081d5``
+        * upfadapter: ``omecproject/5gc-smf:master-5fef5a5``
+
+   * bess-upf ``0.1.0``
+        * bess: ``omecproject/upf-epc-bess:master-5786085``
+        * pfcpiface: ``omecproject/upf-epc-pfcpiface:master-5786085``
+
+    * 5g-ran-sim ``0.5.9``
+        * gnbsim: ``omecproject/5gc-gnbsim:main-0e4b557``