You can now attach any script(python) to any node within the IDE it's self.
You can now also add 3d models to the scene in two ways.1)drag and drop to the scene graph tree, even as a child of another node, and 2) by drag and drop to the scene view.
Also numerous additions to the scripting, including being able to attach other nodes to script graph nodes, and then using GetComponent(name) to get and use other script components from other nodes in your node. This allows game-wide interaction between scripts.
More to come.
For those not wanting to download and build the script, fret not, for the ide will have it's own web-page with installer based binaries. So you just install and use it. This is a few months away I predict, but will happen.