#############
Release Notes
#############

**********
EII v2.6.3
**********

EII v2.6.3 is a bugfix release on top of EII v2.6.2 release.

Fixes
=====

* Fixed build failure and rfc_classifier UDF crash issues for kapacitor service
* ELK (Elasticsearch, Logstash, and Kibana) integration with EII is discontinued
* General security fixes has been applied
* Minor README updates

**********
EII v2.6.2
**********

EII v2.6.2 is a bugfix release on top of EII v2.6.1 release.

.. note:: 

   We recommend EII users (customers) using `EII ELK feature <https://github.com/open-edge-insights/eii-core/tree/v2.6.1/build/remote_logging#eii-distributed-services-centralized-logging-using-elk>`_ to upgrade to this version.

Fixes
=====

* [SECURITY] Updated the docker image version of ELK (Elasticsearch, Logstash and Kibana) stack 
  to use the recommended ones as per https://www.elastic.co/blog/new-elasticsearch-and-logstash-releases-upgrade-apache-log4j2 
  where log4j package has been updated to latest version
* Minor README updates


**********
EII v2.6.1
**********
EII v2.6.1 is a bugfix release on top of EII v2.6 release

Bug fixes
=========

* Fixed ZMQ ZAP issue
* Fixed "REQUEST_BUSY" issues seen with OpenVINO python and C++ inference
  engine bindings in EII udfs by protecting the critical section (Using
  OpenVINO data runtime image 2021.4.1)
* Fixed OpcuaExport service issue in ansible deployment
* Fixed golang installation in baremetal
* Fixed and added more documentation around DNS issue
* Prefix DOCKER_REGISTRY to provisioning images
* Fixed helm environment failure for OpcuaExport service
* Further added improvements to READMEs
* Fixed Visualizer not displaying text added in JupyterNotebook issue
* Enabled support for third party OPCUA GUI clients to connect to OpcuaExport service

********
EII v2.6
********

Features
========

* Ansible playbooks for EII installation, provisioning and cluster set up (single & multi nodes) 
 
    * Enable setup of single/multi-nodes deployment 
    * Multi-nodes deployment can be done with single command 
 
* Helm charts for K8s deployment 
 
    * Deploy containers to Kubernetes cluster using Helm charts 

* Support for Jupyter Notebooks for developing UDFs (User Defined Functions) 
 
    * UDF development in python can be done using Jupyter Notebook 
 
* Enabling Realsense Cameras 
 
    * VI support ingestion from Realsense camera 
    * Generate point cloud data 
 
* Prebuilt containers distribution 
 
* EII video pipeline multi-Stream synchronous processing support 
 
* Ubuntu 20.04 Host OS and docker base image support. 
 
* C API layer support for EII Config Mgr. 
 
* Timeseries Message Bus connections 
 
    * EII Messagebus Output plugin for Telegraf 
    * EII Messagebus Input and output nodes for Kapacitor 

Known Issues
============

#. Encoding cannot be enabled with native PCL udf	
#. NativePCLIngestion CustomUDF throws warnings while processing rs2 depth frames

**********
EII v2.5.3
**********

EII v2.5.3 is a bugfix release on top of EII v2.5.2 release.

.. note:: 

   We recommend EII users (customers) using `EII ELK feature <https://github.com/open-edge-insights/eii-core/tree/v2.5.2/build/remote_logging#eii-distributed-services-centralized-logging-using-elk>`_ to upgrade to this version.

Fixes
=====

* [SECURITY] Updated the docker image version of ELK (Elasticsearch, Logstash and Kibana) stack 
  to use the recommended ones as per https://www.elastic.co/blog/new-elasticsearch-and-logstash-releases-upgrade-apache-log4j2 
  where log4j package has been updated to latest version
* EtcdUI service intermittent build issue is been fixed

**********
EII v2.5.2
**********
EII v2.5.2 is a bugfix release on top of EII v2.5.1 release

Bug fixes
=========

* Fixed ZMQ ZAP issue
* Fixed "REQUEST_BUSY" issues seen with OpenVINO python and C++ inference
  engine bindings in EII udfs by protecting the critical section (Using
  OpenVINO data runtime image 2021.4.1)
* Fixed issue around `cmake` existence check in eii_libs_installer.sh script
* Fixed InfluxDBConnector and RestDataExport issues in k8s environment

**********
EII v2.5.1
**********
EII v2.5.1 is a bugfix release on top of EII v2.5 release

Bug fix
=======

* Fixed the issue around updating the ~/.docker/config.json behind proxy network in pre_requisite.sh script
  (Only https://github.com/open-edge-insights/eii-core repo has been changed in this release)

********
EII v2.5
********

Features
========

* Added eis-messagebus-go repo for EII-EdgeX integration

* Added pre-requisite installer script (to install docker-ce, docker-compose etc.,) and EII uninstaller script

* UX/DX Improvements

    * Enable Volume mount for UDFs
    * eis_builder to auto-create multi-instance boilerplate configurations
    * Small Analytics size
    * Pylon viewer export settings
    * Option to Disable Bounding box in Both Visualizer

* Benchmarking Code Release in EII

    * Release Video Ingest Benchmarking 
    * Release Time series Ingest Benchmarking

* Kubernetes orchestrator enablement

    * Single node deployment
    * Multi-node deployment

* Revamp Configuration APIs for EII
    
    * Revamp Config Manager API
    * Implement C ETCD Config library

* Time series improvements

    * Enable Multiple Telegraf instances
    * Enable multiple UDF support with Kapacitor.
    * Enable Random Forest Algo
    * Implement EISMessageBus (ZMQ) plugin for Telegraf.

* Video use case improvements

    * Support more popular GigE camera in VI
    * Add snapshot feature for SW trigger (feed in just one frame)

* EII Message Bus Improvements

    * Enable XPUB-XSUB messaging pattern of EII Message Bus.
    * Dynamic loading of protocol plugins