Announces the deprecation of TF1 support.

Jiyong Jung · Responsible ML Infra Team · commit 69912376142d · 2022-10-06T03:50:46.000-07:00
The long term support of TensorFlow Enterprise 1.15 ends at [2022-10-30](https://cloud.google.com/tensorflow-enterprise/docs/overview#long_term_version_support). We will release one more version with TF1 support and then stop supporting it. PiperOrigin-RevId: 479272824
diff --git a/RELEASE.md b/RELEASE.md
@@ -2,6 +2,11 @@
 
 # Current Version (Still in Development)
 
+*   This is the last version that supports TensorFlow 1.15.x. TF 1.15.x support
+    will be removed in the next version. Please check the
+    [TF2 migration guide](https://www.tensorflow.org/guide/migrate) to migrate
+    to TF2.
+
 ## Major Features and Improvements
 
 ## Bug Fixes and Other Changes
diff --git a/tensorboard_plugin/tensorboard_plugin_fairness_indicators/RELEASE.md b/tensorboard_plugin/tensorboard_plugin_fairness_indicators/RELEASE.md
@@ -2,6 +2,11 @@
 
 # Current Version (Still in Development)
 
+*   This is the last version that supports TensorFlow 1.15.x. TF 1.15.x support
+    will be removed in the next version. Please check the
+    [TF2 migration guide](https://www.tensorflow.org/guide/migrate) to migrate
+    to TF2.
+
 ## Major Features and Improvements
 
 ## Bug Fixes and Other Changes
