He advocated the use of the GPLv3 license, especially noting Linus Torvalds' refusal to switch away from GPLv2 for the Linux kernel.
Bash 4 also switches its license to GPLv3;
Therefore, there was a strong controversy around the update of the GNU GPLv2 to the GNU GPLv3 in 2007, as the updated license is not compatible with the previous version.
Several projects (mostly of the open source faction like the Linux kernel) decided to not adopt the GPLv3 while almost all of the GNU project's packages adopted it.
GIMP is released under GPLv3+ license and is available for Linux, macOS, and Microsoft Windows.
However, works using the latter that have given permission to use a later version of the GPL are compatible: a work released under the GPLv2 "or any later version" may be combined with code from a LGPL version 3 library, with the combined work as a whole falling under the terms of the GPLv3.
In February 2013, with version 9.07, Ghostscript changed its license from GPLv3 to GNU AGPL.
Scribes is a lightweight free text editor for GNOME licensed under the terms of the GNU General Public License (GPLv3).
In 2006, Microsoft's pledge not to sue Novell Linux customers, openSUSE contributors, and free/open source software developers over patents and the associated collaboration agreement with Novell was met with disdain from the Software Freedom Law Center while commentators from the Free Software Foundation stated that the agreement would not comply with GPLv3.
The Apache Software Foundation and the Free Software Foundation agree that the Apache License 2.0 is a free software license, compatible with the GNU General Public License (GPL) version 3, meaning that code under GPLv3 and Apache License 2.0 can be combined, as long as the resulting software is licensed under the GPLv3.
The Free Software Foundation considers all versions of the Apache License to be incompatible with the previous GPL versions 1 and 2. Furthermore, it considers Apache License versions before 2.0 incompatible with GPLv3.
One condition common to each covenant was that no Moonlight implementation be released under the GPLv3 free software license.
When the final revision of the third version of the GPL license was decided, the deal between Microsoft and Novell was grandfathered in. A clause within GPLv3 allows companies to distribute GPLv3 software even if they have made such patent partnerships in the past, as long as the partnership deal was made before 28 March 2007 (GPLv3 Section 11 paragraph 7).
It has been claimed that the OSL is intended to be legally stronger than the GPL (with the main difference "making the software available for use over the Internet requires making the source code available" that is the same goal as the even newer Affero General Public License (AGPL), that is compatible with GPLv3), however, unlike the GPL, the OSL has never been tested in court and is not widely used.
Apple switched to its own SMBX implementation after Samba adopted GPLv3.
Groklaw extensively covered patent problems with software and hardware, use of the DMCA against free software ideals, Open standards, DRM, GPLv3, and published The Daemon, the GNU &
In 2007 the VLC project decided, for license compatibility reasons, not to upgrade to just released GPLv3.
On January 22, 2014 Unknown Worlds released the source code for download on a GitHub repository under GPLv3.