Arduino Tiny

BrainBooster:
..and about the extetnal pins configuration file?

The intent is to make it easier to port the Standard Core to other processors. Unfortunately, the idea falls considerably short with the Tiny processors. In the short term, I intend to mostly ignore / workaround the feature.

can i try to patch myself the core files, just to see if it can work in the new ide?

Please do. And please let me know how you progress or if you get stuck.