“update controller” from FXML in IntellIJ for javaFX project

I used to see the option “update controller” in the menu after right-clicking on an FXML file generated by scene builder in a JavaFX project but now it disappeared, how to make that appear?

Answer

The FXML Manager plugin might be what you are looking for:

• go to File -> Settings -> Plugins -> Marketplace and search & install FXML Manager:

• after installing it, you may use the update controller option: