Despite the fact that only the feature of the latest rich notifications had been showcased for the iOS 10 on the iPhone 6s plus and 6s at the event that took place recently. The beta notes released by Apple also gave us a confirmation in regards to the fact that that those devices which will not include the technology of pressure sensing, will also go ahead and include the rich notification feature.
The feature is said to be optimized and relegated for the 6s Plus and 6s in the first beta of iOS10, it comes along with the complete functionality that will coming in the future to the iPhone models that are a older. For the 3D touch, the optimization for the rich notification has been supported, and also in the beta 1 of the iOS 10. Even for those models that do not have the 3D Touch support, the betas that will be released in the future will help to provide the necessary access for this functionality.
The functionality of the rich notifications is to help users, to get into any app that they want without going ahead and unlocking the device, in order for them gain access to the app through the home screen. The 3D Touch can simply help in the expanding a text message along with the keyboard so that you can give the reply. It also allows you to go ahead and get the broadcast that is going live for the events that is taking place in sports.
There is not much information that is available in the beta notes that Apple had provided for the developers. This is one of the reasons why, the question in regards to how without the feature of the 3D Touch, and this feature may function in the iPhone models that do not have them.