Changes in Version 3.0 (20th of November 2002)

New UML Features

• Event parameters
• Deferred events
• Choice states

New Options

• New option '-d' to generate deadlock detection even if hugo does not check for deadlocks.
• New option '-t' to fire transitions in determined order.
• Added experimental options '-s', '-tb' and '-tr' for different process synchronisation methods.

Removed Options

• The option, to make send events available after RTC step (option -s) is no longer available.

Other Changes

• The option '-f' to handle orthogonal regions in determined order is now option '-r'.
• The option '-c' to specify a collaboration file is now changed. In Hugo 3.0 you must specify the collaboration file as one of the arguments.