- "porting" to python-2.5
- adding support for the `--with-bdeps=y` option in `EMERGE_DEFAULT_OPTS`
- fix update world
- added support for pygtksourceview-2
- adding support for the catapult backend
- adding "Save As" button for the exception dialog
- some tooltips and new button labels

**Follow-up releases:** _0.8.6.1_