Version 2.3.1 it seems that the [pig] + [@] shortcut to unpatch does not work. Not just the shortcut but also the [Unpatch @] button.
More precisely, it does work for a fixture with user number 1 that is patched to dmx 1. However, it does not work with fixtures with other user numbers (where it is patched is irrelevant).
An example for further convincing:
Let us patch 10 VL3500 Spots.
VL3500S 1 > 10 @ 1
Now we have successfully patched 10 fixtures. Note that our user numbers are 1 thru 10.
Now we shall unpatch fixture 3.
[pig] 3 [@] 3
This did not unpatch the fixture.
Next try to unpatch fixture 1.
[pig] 1 [@] 1
Fixture 1 is unpatched.
q.e.d
Thanks,
-BC