This isn't in the bugs section because I am not sure it is a bug.
Basically, I have noticed that a platform-enabled object will 'stick' to walls of an incredibly steep slope (anything short of vertical). This is a big problem as most people don't want their players being able to make their way up cliffs.
Here's an example. Totally default behaviors in a new project.
<img src="http://i.imgur.com/tl0mu.jpg" border="0" />
It gets even more insane!
<img src="http://i.imgur.com/FXbcZ.jpg" border="0" />
Is there any way to fix this manually? Or could Scirra implement a solution? Because I am sure this is not what 99% of platform games need!