Facebook style notification of a new task
It'd be handy for process participants to see that a new task has come.
Facebook may be used as an example: when there is something new in the newsline, the tab title is changed to e.g. "(1) Facebook" and a beep is heared.
Switching to the window and refreshing is 20th-sentury "click and wait" web, Bizagi BPMS portal deserves more.