Lead programmer K1n9_Duk3 made some improvements to the engine. Along with some internal fixes, the most major ones are:

• Jake now can land more easily on top of the left or right edges of single tile platforms. This can help in some hard sections, where players use to fall often when trying to land on small platforms.

For example, here's how it used to be previously:

And now:

• Fixed is a bug where you could have fall through fast moving platforms with your pogo, while you were not supposed to. For example, this one:

• Fixed some issues where the player could get stuck temporarily on the edge of some tiles on the world map.

• Added an optional icon, if you would like to have an icon on your desktop.