Sugar has made this announcment regarding the move to GPL v3 for the Community Edition (formerly known as Sugar Open Source), beginning with release 5.0.

You can find out more information regarding this announcment and what it means to developers, administrators, and others by reading the FAQ, posted here.

We've also set up a special forum to field your questions. If you have any questions about the move to GPL v3, please post a thread in the Licensing forum. Thanks!