@CocaCoca: Zoom gesture is available if you choose the older gesture set (2.3d) during the post-install step. In the Trackpad++ version 2.4a you can have the following workaround: hold Ctrl and move 2 fingers up/down. Regarding the future improvements, well, everything (good) can happen. Just like the 3-finger dragging had finally become available in the Trackpad++ 2.4a, the pinch-to-zoom thing might follow. Keep an eye on the future updates...
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