Release v1.4.0

* Fix for handling S-NSSAI
* Add support for IMS
* HTTP/2 support for SBI interface
* Add usage report feature
* Flexiable MTU
* Support for Ubuntu 20.04 bare-metal installation
* Official images produced by CI are pushed to `oaisoftwarealliance` Docker-Hub Team account
* Reduce image size

CHANGELOG.md

 # RELEASE NOTES: #
 
+## v1.4.0 -- July 2022 ##
+
+* Fix for handling S-NSSAI 
+* Add support for IMS
+* HTTP/2 support for SBI interface
+* Add usage report feature
+* Flexiable MTU
+* Support for Ubuntu 20.04 bare-metal installation
+* Official images produced by CI are pushed to `oaisoftwarealliance` Docker-Hub Team account
+* Reduce image size
+
+
 ## v1.3.0 -- January 2022 ##
 
 * Update NWI from NF profile

README.md

@@ -15,6 +15,7 @@ At the moment, it contains the following network elements:
 * Unified Data Management (**UDM**)
 * Unified Data Repository (**UDR**)
 * User Plane Function (**UPF**)
+* Network Slicing Selection Function (**NSSF**)
 
 Each has its own repository: this repository (`oai-cn5g-smf`) is meant for SMF.