Unity doesn't intercept any multitouch (MT) gestures, instead, uTouch is
used for MT gesture recognition. TouchEgg seems to use UTouch well, and
it works in my case.

Even Evince and Eye of GNOME have built-in uTouch pan-and-zoom gesture
support in Oneiric out of the box, and it works for me.

The issue seems to be with your touchpad driver. Which touch pad do you
have? Synaptics touchpad multitouch support is crappy at the moment in
Oneiric; only up to 3 fingers are supported max, and there's no support
for rotate gestures.

As you said, only up to 2 finger MT is recognized. That means that
uTouch is falling back to its MT emulation mode because the driver
doesn't support multitouch.

Either way, not an issue with Unity, but an issue with your hardware
drivers or uTouch. Adding utouch-grail task, though it might not be the
cause for this. But the guys there will know what the issue is, and if
the need be, they'll mark this bug the appropriate package.

Also, please post your hardware description, until then this bug is
incomplete

** Changed in: unity
       Status: New => Invalid

** Package changed: unity (Ubuntu) => utouch-grail (Ubuntu)

** Changed in: utouch-grail (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/898853

Title:
  Touch: Unity hijacks multitouch gestures

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