Adding release notes for 1.2.0 helm charts

Change-Id: I6e0aa8808d5c9264f870176b53a594a3c8719642
diff --git a/dict.txt b/dict.txt
index f583217..cd3b88f 100644
--- a/dict.txt
+++ b/dict.txt
@@ -75,6 +75,7 @@
 dbuf
 decap
 dev
+di
 disaggregated
 downlink
 eBPF
@@ -88,6 +89,7 @@
 hyperscalers
 inband
 instantiation
+integrations
 ip
 jitter
 json
@@ -97,8 +99,10 @@
 linecards
 loopback
 mainboard
+mastership
 microburst
 microservice
+mininet
 misconfiguration
 multicast
 namespace
diff --git a/index.rst b/index.rst
index 4d93129..5cbc2c6 100644
--- a/index.rst
+++ b/index.rst
@@ -104,3 +104,4 @@
    release/process
    release/1.0.0
    release/1.1.0
+   release/1.2.0
diff --git a/release/1.2.0.rst b/release/1.2.0.rst
new file mode 100644
index 0000000..c392b03
--- /dev/null
+++ b/release/1.2.0.rst
@@ -0,0 +1,65 @@
+.. SPDX-FileCopyrightText: 2021 Open Networking Foundation <info@opennetworking.org>
+.. SPDX-License-Identifier: Apache-2.0
+
+1.2.0
+=====
+
+This release adds support for a development workflow based on mininet
+and adds more java options to the default values.yaml.
+
+Component Versions
+------------------
+
+SD-Fabric ONOS
+^^^^^^^^^^^^^^
+- Image
+
+  - `opennetworking/sdfabric-onos <https://hub.docker.com/r/opennetworking/sdfabric-onos>`_: ``1.1.1``
+
+- Source code
+
+  - `onos <https://github.com/opennetworkinglab/onos>`_: ``07af21d9e116414b74152dc812cc980ca2c4c0a5`` (``onos-2.5`` branch)
+  - `trellis-control <https://github.com/opennetworkinglab/trellis-control>`_: ``fe1274b0a7a2f6eaefd6266b0e2cf193875cc14c``
+  - `fabric-tna <https://github.com/stratum/fabric-tna>`_: ``126aba949906ca828812ec321d6163d00c37170c``
+  - `up4 <https://github.com/omec-project/up4>`_: ``187763c2ab0e68cf085e44cab0d5b67e09aa9b6b``
+
+Stratum
+^^^^^^^
+- Image: `stratumproject/stratum-bfrt <https://hub.docker.com/r/stratumproject/stratum-bfrt>`_: ``22.03.25-9.7.0``
+- Repo: `stratum <https://github.com/stratum/stratum>`_: ``29f391580de8d5ee2d7a207a9a4261fda4e54a6f``
+
+DBUF
+^^^^
+- Image: `opennetworking/dbuf <https://hub.docker.com/r/opennetworking/dbuf>`_: ``1.0.0``
+- Repo: `dbuf <https://github.com/omec-project/dbuf>`_: ``v1.0.0``
+
+PFCP Agent
+^^^^^^^^^^
+- Image: `omecproject/upf-epc-pfcpiface <https://hub.docker.com/r/omecproject/upf-epc-pfcpiface>`_
+
+    - For P4-UPF: ``master-2f04e3a``
+    - For BESS-UPF: ``master-9a4d86c``
+
+- Repo: `upf <https://github.com/omec-project/upf>`_
+
+    - For P4-UPF: ``2f04e3abfd7ba5900e11ef03e602296f9e784f0e``
+    - For BESS-UPF: ``9a4d86c654a9f60947ebf71d015d4781ed7a95a6``
+
+BESS UPF
+^^^^^^^^
+- Image: `omecproject/upf-epc-bess <https://github.com/omec-project/upf>`_: ``master-9a4d86c``
+- Repo: `upf <https://github.com/omec-project/upf>`_: ``9a4d86c654a9f60947ebf71d015d4781ed7a95a6``
+
+Helm Chart Versions
+-------------------
+- `sdfabric <https://gerrit.opencord.org/plugins/gitiles/sdfabric-helm-charts/+/refs/heads/master/sdfabric>`_: ``1.2.0``
+
+  - `onos-classic chart <https://github.com/onosproject/onos-helm-charts/tree/master/onos-classic>`_: ``0.1.28``
+  - `stratum chart <https://github.com/stratum/stratum-helm-charts/tree/master/stratum>`_: ``0.1.18``
+  - `pfcp-agent chart <https://gerrit.opencord.org/plugins/gitiles/sdfabric-helm-charts/+/refs/heads/master/pfcp-agent>`_: ``0.0.14``
+  - `dbuf chart <https://gerrit.opencord.org/plugins/gitiles/sdfabric-helm-charts/+/refs/heads/master/dbuf/>`_: ``0.0.4``
+  - `int-host-reporter chart <https://gerrit.opencord.org/plugins/gitiles/sdfabric-helm-charts/+/refs/heads/master/int-host-reporter>`_: ``0.0.4``
+  - `di-topology-watchdog chart <https://gerrit.opencord.org/plugins/gitiles/sdfabric-helm-charts/+/refs/heads/master/di-topology-watchdog>`_: ``0.0.5``
+  - `di-metrics-exporter chart <https://gerrit.opencord.org/plugins/gitiles/sdfabric-helm-charts/+/refs/heads/master/di-metrics-exporter>`_: ``0.0.3``
+
+- `bess-upf chart <https://gerrit.opencord.org/plugins/gitiles/sdfabric-helm-charts/+/refs/heads/master/bess-upf>`_: ``0.0.5``