Before, in B4j 2.80, I could change code inside a sub at runtime and it would be updated in real time. I can't seem to make this work anymore with the Beta #7.
You can try the example in debug mode. Try to change anything in the btn_action sub, like modifying the string in the log, or un-commenting the for loop. You will see that it is not updated at runtime.
1. Are you sure that you are running in debug mode?
2. Are you pressing Ctrl + S after doing the changes? What happens afterward? The status bar should show: