An error handling feature has been added to the subprogram activity. Analogue of try/catch in programming.
If an error occurred during the execution of the subroutine, the activity block has an “error” port that you can pick up an arrow with a different activity
The ability to use subroutines within other subroutines.
Automatic adjustment of the location of new block of activity under the activity with focus.
Automatic connection of blocks. Online help on interface elements that appears when you hover over an element.