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GPL Version 3
The GPL Version 3 is a revised version of the
GPL,
which, was released
Free Software Foundation.
in the summer
of
2007.
The principle changes in the GPL 3 as compared to previous versions, are
certain changes as relating to patent licenses required for the software,
restrictions on using GPL software in hardware where the software can not
easily be modified/replaced ("Tivoization"), and certains changes
which relate to the implementation of DRM ("Digital Rights Management -
software that prevents unauthorized copying of copyrighted material) in
GPL software. Additionally, there are changes that clearly define the process
to be followed for terminating the license in the event of a licensee's
breach.
- As might be expected, some of these changes have proven
controversial with both licensors and licensees, for example,
Linus Torvalds,
the original author of
Linux,
has expressed some reservations about using the GPL 3, and, at the time of writing,
continues to use the
GPL version 2
for
Linux.
- On the other hand, some open source projects have begun to issue their
new releases under the GPL version 3. Furthermore, many older projects
were issued by their licensors as under the
"GPL version 2 or later",
allowing a licensee to choose to license the code under the GPL version 3 if they want.
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