Update docs/topics/ref_new-features-7-3-0.adoc

Adding Prabha's descriptions

Author: mpershina

docs/topics/ref_new-features-7-3-0.adoc

@@ -13,4 +13,16 @@ MTA-4540
 
 MTA-4549
 
-MTA-4610
+MTA-4610
+
+.Generate deployment manifest in {ProductShortName} CLI
+
+Starting with {ProductShortName} {ProductVersion}, you can run the `discover` and `generate` commands in the {CLIName}. The `discover` command generates the discover manifest that preserves the platform and runtime configurations defined in the Cloud Foundry (CF) application manifest. The `generate` command uses the discover manifest to generate the deployment manifest in a Kubernetes-native format so that, it is ready for {ocp-full} deployments.
+
+.{ProductShortName} uses Red Hat Build of Keycloak for user authentication
+
+The {ProductShortName} {ProductVersion} uses `{rhbk-first}` instance for user authentication and authorization.The {ProductShortName} operator manages the `{rhbk-short}` instance and configures a dedicated realm with necessary roles and permissions. For `{rhbk-short}`, the secret and the pod name has changed. The pod name for {rhbk-short} is changed to `rhbk-operator`.
+
+.List all languages in an application
+
+In {ProductShortName} {ProductVersion}, you can list all languages in an application using the `--list-languages` flag in the {CLIName}. The listed language that has no supported providers requires a custom rule set and the --`override-provider-settings` flag when you analyze the application.