from amit:

JSyn opens up a permissions window when it needs to access the microphone. Sonia uses
this feature for the LiveInput class. When running V91 compiled code on the browser, the
permissions window shows up but freezes the browser (and itself). I'm running on XP with
JVM 1.5_02 .

doesn't appear to be a java 1.4 vs java 1.5 issue.. probably something with the threading
changes between rev 90 and 91. may need to load libraries on a separate thread, or a
separate event queue (is awt blocking because setup() is running synchronized?)

this may also be affecting osc.. not clear if it's the same problem, or perhaps it has to do
with the object synchronization and the library setup method trying to call applet methods
and causing a deadlock.

This should be fixed with release 0145. And if not, it's more a matter of
better coding in the sketch or in the library (that is, the Processing side
of it is fixed.)