I have been working on providing Microsoft Exchange capability for Akonadi on-and-off for a while.There is an emerging problem though: GPLv2 and GPLv3 are not compatible. My code is fine - it is "GPLv2 or later". The incompatibility is that Qt is released under GPLv2 (not "or later")

Latest statistics from Black Duck Software show version 2 of the General Public License (GPLv2) sliding in popularity. Just under half of all the open source projects contained in the September 2009 statistics used the GPLv2.

Digium will probably not switch from GPLv2 to GPLv3. They are concerned about the patent ramifications, and say they want to stick with what's known.

Another voice heard on the European Commission's objection to Oracle's purchase of Sun Microsystems. This time, Eben Moglen has weighed in with an analysis of the objections related to the GNU General Public License version 2 (GPLv2). Moglen disagrees with the commission, and says that the GPLv2 is sufficient to protect the MySQL community apart from Oracle.

On behalf of the developers of the BusyBox embedded utilities collection, the Software Freedom Law Center (SFLC) filed suit against 14 consumer electronics companies for violating GPLv2 licensing requirements. The lawsuit covers almost 20 Linux-based products, from companies including Best Buy, Samsung, Westinghouse, and JVC, says the SFLC.

A top Debian contributor has been left "pretty disappointed" by elements of the Debian community for failing to comply with the conditions of the GNU GPLv2 license.

The free software movement's most important license -- version three of the GNU General Public License was unveiled by the Free Software Foundation late last month. It comes roughly 16 years after its wildly successful predecessor, GPLv2, became one of the most used software licenses ever. Today, approximately three quarters of the world's free software packages are distributed under GPLv2.

Microsoft has made its second release under the General Public License in two days with software for the open-source online learning system Moodle. Microsoft released the Live Services Plug-in for Moodle under the GPLv2, a move outlined in a blog post by Peter Galli, a community manager for Microsoft's Platform Strategy Group.

"Microsoft sought to avoid tangling itself up in the GPL license when it struck a deal with Novell. Rather than pay Novell, it agreed to hand out SUSE Linux coupons to consumers. It stayed at arms length from distributing the code… But did Microsoft circumvent the trap of GPLv2 by stepping into the snare of GPLv3?"