Update README.md

README.md

@@ -9,16 +9,16 @@
 
 <p align="center">
 <a href="https://travis-ci.org/opensourcepos/opensourcepos" target="_blank"><img src="https://travis-ci.com/opensourcepos/opensourcepos.svg?branch=master" alt="Build Status"></a>
-<a href="https://gitter.im/opensourcepos?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge" target="_blank"><img src="https://badges.gitter.im/jekkos/opensourcepos.svg" alt="Join the chat at https://gitter.im/opensourcepos"></a>
+<a href="https://app.gitter.im/#/room/#opensourcepos_Lobby:gitter.im?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge" target="_blank"><img src="https://badges.gitter.im/jekkos/opensourcepos.svg" alt="Join the chat at https://app.gitter.im"></a>
 <a href="https://badge.fury.io/gh/opensourcepos%2Fopensourcepos" target="_blank"><img src="https://badge.fury.io/gh/opensourcepos%2Fopensourcepos.svg" alt="Project Version"></a>
-<a href="http://translate.opensourcepos.org/engage/opensourcepos/?utm_source=widget" target="_blank"><img src="http://translate.opensourcepos.org/widgets/opensourcepos/-/svg-badge.svg" alt="Translation Status"></a>
+<a href="https://translate.opensourcepos.org/engage/opensourcepos/?utm_source=widget" target="_blank"><img src="https://translate.opensourcepos.org/widgets/opensourcepos/-/svg-badge.svg" alt="Translation Status"></a>
 </p>
 
 ## 👋 Introduction
 
 Open Source Point of Sale is a web-based point of sale system. The application is written in PHP, it uses MySQL (or MariaDB) as data storage back-end and has a simple but intuitive user interface.
 
-The latest `3.x` version is a complete overhaul of the original software. It uses CodeIgniter 3 as a framework and is based on Bootstrap 3 using Bootswatch themes. Along with improved functionality and security.
+The latest `3.4` version is a complete overhaul of the original software. It uses CodeIgniter 4 as a framework and is based on Bootstrap 3 using Bootswatch themes. Along with improved functionality and security.
 
 The features include:
 
@@ -70,7 +70,7 @@ For more information and recommendations on support hardware, like receipt print
 
 ## ✨ Contributing
 
-Everyone is more than welcome to help us improve this project. If you think you've got something to help us go forward, feel free to open a [pull request]().
+Everyone is more than welcome to help us improve this project. If you think you've got something to help us go forward, feel free to open a [pull request]() or join the conversation on [Element](https://app.gitter.im/#/room/#opensourcepos_Lobby:gitter.im).
 
 Want to help translate Open Source Point of Sale in your language? You can find [our Weblate here](https://translate.opensourcepos.org), sign up, and start translating. You can subscribe to different languages to receive a notification once a new string is added or needs updating. Have a look at our [guidelines](https://github.com/opensourcepos/opensourcepos/wiki/Adding-translations) below to help you get started.
 
@@ -98,7 +98,7 @@ NOTE: If you're running non-release code, please make sure you always run the la
 
 - If you install OSPOS in Docker behind a proxy that performs `ssloffloading`, you can enable the URL generated to be HTTPS instead of HTTP, by activating the environment variable `FORCE_HTTPS = 1`.
 
-- If you install OSPOS behind a proxy and OSPOS constantly drops your session, consider whitelisting the proxy IP address by setting `$config['proxy_ips'] = '<proxy ip>';` in the [main php config file](https://github.com/opensourcepos/opensourcepos/blob/master/application/config/config.php). In extreme instances, changing `$config['sess_match_ip'] = TRUE;` to `FALSE` may also help.
+- If you install OSPOS behind a proxy and OSPOS constantly drops your session, consider whitelisting the proxy IP address by setting `$config['proxy_ips'] = '<proxy ip>';` in the [main php config file](https://github.com/opensourcepos/opensourcepos/blob/master/application/config/config.php). In extreme instances, changing `$config['sess_match_ip'] = true;` to `FALSE` may also help.
 
 - If you have suhosin installed and face an issue with CSRF, please make sure you read [issue #1492](https://github.com/opensourcepos/opensourcepos/issues/1492).