On Thu, Dec 05, 2019 at 10:57:43AM -0500, Boyuan Yang wrote: > > For instance, GPLv2 & GPLv3 are incompatible. > > I never heard that GPLv2 license and GPLv3 license are incompatible. They are. https://www.gnu.org/licenses/gpl-faq.html#v2v3Compatibility You may be thinking about upgrading GPLv2+ to GPLv3. This isn't possible if the license is 2only. -- WBR, wRAR
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