IntelliJ IDEA 2020.1 EAP4 released, this version provides a method for easier operation to perform "rename and change the signature" reconstruction.
Now no longer need to deal with complicated modal dialog box to change the signature method or class, or method parameters only need to edit the class, and then use the new icon or intended action (Alt + Enter) to see the changes and apply it to class / method declaration and all of its usage:
If you add a new parameter you will be prompted to enter a default value:
With regard to capacity and operate this new feature, you can look at this specific gif:
Currently the feature is support for Java in the latest 2020.1 EAP and will soon be supported Kotlin.
Details View Update:
https://blog.jetbrains.com/idea/2020/02/intellij-idea-2020-1-eap4