This is a development build of Programmerís Notepad 2.0.7 so itís not yet classified as stable!
Programmer’s Notepad 126.96.36.1993 is the latest development release, adding basic AutoComplete, Comment/Uncomment, better Extensions support including keyboard shortcuts for extension commands. The release also fixes a number bugs.
PyPN has been updated as well and a new 0.4 release is available
The extensions interface is documented!