Multitouch scrolling (with two fingers) does not work with the built-in pdf
viewer of TeXStudio on a mac. I don't know if I have to activate it somehow.
mac OSX 10.7 (Lion)
I second that...will multitouch navigation on Mac be implemented in the build-
Sorry, but we currently do not have any active developers running OSX.
Therefore support, development and testing on that platform is limited.
It might just help to compile TXS with Qt 4.8 (but I can't test), see: