On June 14th 2007, the J! Core team announced its intent to move towards a greater compliance to the GPL. Many things were part of this process, including such things as joomla.org itself moving away from non-GPL extension use.

"No lawsuits, no pogroms, no martyrs. More to the point, no shouting, no demonisation, and no drawing lines between "us" and "them".  It's a big community with many kinds of developers, and we want solutions that will work for e [...]