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+.. _Release Notes Legend for ONOS:
+
+# Release Matrix Legend(s)
+
+.. list-table:: ONOS Components
+   :widths: 10, 60
+   :header-rows: 1
+
+   * - Name
+     - Description
+   * - Artifact Ver
+     - Version published to Maven Central.
+   * - API Version
+     - Versioned api-{package} artifact on Maven Central
+   * - APP Version
+     - Versioned app-{package} artifact on Maven Central
+   * - Pkg Version
+     - Versioned {package} artifact on Maven Central
+   * - Gerrit URL
+     - Code repository tag for published artifact.
+   * - Github URL
+     - Code repository tag for published artifact.
+   * - Released
+     - Release WIP tracking, ``N`` signifies repository release is pending.