* New tutorials:
  - UL CL with policies --> `docs/DEPLOY_SA5G_ULCL.md`
  - Testing with `OMEC-gnbsim` --> `docs/DEPLOY_SA5G_WITH_OMEC_GNBSIM.md`
  - SD-Fabric usage
* Update the helm charts and helm chart tutorial
* Switched tutorials to latest `mysql` version (`8.0`)
* Fixes in slicing tutorial to use latest OAI RAN images
* Common features/fixes for all Network Functions:
  - Proper exit on SIGTERM
  - jinja2-based configuration file
  - Ubuntu22 and cgroup2 support (even on `SPGWU-TINY`)
  - Giving some time for FQDN resolution
  - Release mode does not use libasan anymore
  - Health-checks are natively in the distributed images
* `AMF` changes:
  - Minimal fix for Decoding RegistrationRequest from COTS UE
  - Fix small issue for NGAP lib
  - NGAP IES code refactoring
  - Fix PDU session release
  - Refactor NGAP message callback
  - Fix nake ptr
  - Fix UL NAS transport
  - Fix typo for Rejected NSSAI
  - PDU session release supported
  - Update SST type (int instead of string) in conf file
  - Events exposure: location report with empty supi fixed
  - small fix for event exposure loss of connectivity
  - Minor fix for encoding no SD in PduSessionResourceSetupRequest
  - Fix SST/SD on cots ue
  - Docker images improvements
* `AUSF` changes:
  - Docker images improvements
* `NEF` changes:
  - Docker images improvements
* `NRF` changes:
  - Enhance UPF profile in NRF and fix bug in SBI when body is too long
  - Added Status change notification
  - Docker images improvements
* `NSSF` changes:
  - Docker images improvements
* `PCF` changes:
  - Initial release
  - NRF registration
  - Add Npcf_SMPolicyControl API Create, Update, Delete and Get procedures
  - Add file based policy provisioning
  - Add policy decision feature based on SUPI, DNN, Slice and default policy
* `SMF` changes:
  - Feature improvements:
    * PDU SESS EST + Qos Monitoring events exposure
    * PFCP: removing dependency to folly
    * Add IEs to support UE Rel 16
    * Added and integrated UPF graph instead of PFCP associations list
      * Supported scenarios:
        - I-UPF / A-UPF N9
        - UL CL
    * Implement Npcf_SMPolicyControl API client
    * Changing the configuration file to jinja2-based approach
      * At least one slice (slice #0) shall be completely defined
  - Fixes:
    * Fix openapi cause
    * Fix small issue for Mime parser for normal message
    * Fix Volume Threshold IE to PFCP Create URR IE
    * Fix mcc mnc 00 udr
    * Fix issues to work with Release-16 COTS UE
    * Fix issue when there's no valid reply from UPF for PDU session release
    * Fix Protocol identifier Selected Bearer Control Mode
    * Fix issue for Static UE IP Addr
    * Fix URR ID in IE Create URR (post UPF graph implementation)
    * Fix issue for Full DNN (APN Operator Identifier)
* `SPGWU-TINY` changes:
  - Docker images improvements
  - Ubuntu22 full support
* `UDM` changes:
  - Docker images improvements
* `UDR` changes:
  - Improve MySQL connection handling
  - Fix issue with DNNs including special characters
  - SessionManagementSubscriptionData POST API
  - Fix session management subscription data
  - Docker image improvements
* `UPF-VPP` changes:
  - Ubuntu22.04 support
  - SNSSAI fix
  - Support UL CL UPF deployment
  - Support I-UPF / A-UPF N9 UPF deployment
  - GTP payload length fix
  - Major Configuration update

CI: pulling SPGWU image from local private repository

fix(ci): UPF-VPP tutorials are fixed after UPF-VPP configuration has changed

Fixed VPP-UPF tutorial for internet access.

no more mounted healthchecks on NF

Fixes post-v1.4-release

* All official images produced by CI are pushed to `oaisoftwarealliance` Docker-Hub Team account
* New tutorial:
  - My5gRAN Tester --> `docs/DEPLOY_SA5G_WITH_My5g-RANTester.md`
* Update the helm charts and helm chart tutorial
* Reduce image size for all network functions
* New wiki page to know more about variable which can be configured for each network function
* Fix HTTP/2 support for all network functions `docker-compose/docker-compose-basic-nrf-httpv2.yaml`
* `AMF` Changes:
  - Fix SCTP NG Shutdown issue
  - Fix 100% CPU consumption issue
  - Fix RAN UE ID display
  - Fix issue for TMSI and GUTI value
  - Fix for handling S-NSSAI 
  - Remove OPC value from AMF configuration
  - Support for Ubuntu 20.04 bare-metal installation
* `AUSF` Changes:
  - Remove unused packages
  - HTTP/2 support for SBI interface
  - NRF Registration and heartbeat exchange
* `NRF` Changes:
  - Remove unused packages
  - Add NF profile handling for PCF
  - HTTP/2 support for SBI interface
* `NSSF` Changes:
  - Network slice selection for UE registration 
  - NS-AVAIBALITY API support to CREATE new slice
  - Fix bare-metal setup configuration management
  - HTTP/2 support for SBI interface
* `SMF` Changes:
  - 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
* `UDM` Changes:
  - Fix HTTP/2 support
  - NRF Registration and heartbeat exchange
* `UDR` Changes:
  - Fix sync failure issue
  - Fix issue to support Slice Selection Subscription Data retrieval
  - NRF Registration and heartbeat exchange
* `SPGWU-TINY` Changes:
  - Fix for handling S-NSSAI 
  - Add support for multiple slices via config file
  - Allowed reusing GTPv1-U socket
  - Fix GTPU offset sequence number
  - Fix configurable number of DL threads for data path
* `UPF-VPP` Changes:
  - Standalone support validated for traffic steering and redirection
  - Added instructions for bare-metal installation
  - Support for Ubuntu 20.04 bare-metal/docker installation
* `NEF` It is ongoing so far it is not functional

Fixing slicing tutorial for CI test

new infra

Update on the VPP-UPF tutorial

Adding utility traffic-gen image to all docker-compose files

Adding Minimalist Tutorial to automated check test-suite

VPP docker-compose updates

CI Fixes for gnbsim and NSSF; Update UDM info; Fix core-network typo