You will have to change a few things in your code if you're using the receive action consumer (previously).
Changelog:
Added default values to Dialogue and Prompt builders.
Receive input action is now a BiConsumer
Both the responder (the player) and the input are passed as parameters.
There's a new event: ValidateInputEvent. Developers can now validate prompt input via event listeners. You can see an example of this in the example plugin