Are you using 0.62.00? Or 0.62.02. I could try compiling the latest version.
My system: Linux, Ubuntu, Maverick Meerkat (10.10).
My Synfig Studio: 0.62.00
All 3 mouse gestures failed.
Ahh! But it is implemented! That’s great to hear. Then I will wait patiently for it be fixed.
But again: these are individual issues. I think it would go a long way to give the much maligned OpenSource software a positive view if we present a united consistency in terms of usage. I’m not saying Inkscape is “better”. I’m just saying that Synfig Studio is open to suggestion as far as interface goes. And that’s always good. My recommendation is to try to move closer to another established vector-editing software.