Until now the scope shows approx. 0.05 seconds of the signal.
It does what you expect from a traditional scope.
But its principle to emulate 20th century analog hardware technology (and its functional limitations) is IMO an unnecessary restriction.
If you would add an option (an additional slider in the GUI or at least a value inside STS) to scale the time axis (to range from 0.01 to 5 seconds) the scope would be much more valuable to analyze what the processing does.
That way it would be possible to watch/compare waveforms in realtime !
Check out the free
rs.met Signal Analyzer VST-plugin (that has such option)
:
http://www.rs-met.com/freebies.html