Let's Simplify Magento

In magento 2, there is some small modifications done to send transactional emails. You can find the sample code in the git repo .

In magento 2, there is a small change in the implementation of the payment gateway. There is some addition in the frontend code as the checkout is now coming by the component ui. You can find the sample code in the git repo .

In magento 2, the system configuration has gone little changes. Now we can access the configuration from Stores > Settings > Configuration. Also, there is small changes in the system.xml file also. Now the system.xml file is inside etc/adminhtml/ folder. You can find the sample code in the git repo .