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This is incorrect, no version of the GPL has such a clause. The FSF merely recommends that authors give downstreams the option to use GPL version N "or later".
by the_why_of_y 11y ago
This is incorrect, no version of the GPL has such a clause. The FSF merely recommends that authors give downstreams the option to use GPL version N "or later".
However, you can "upgrade" LGPL code to GPL, see LGPLv3
"2. Conveying Modified Versions".
There is a FLOSS license that has an implicit upgrade to new version clause: the Mozilla Public License, see "6.2. Effect of New Versions" in MPLv1.1.
- elsjaako 11y agoI learned something today. It looks like the "or later clause" is a built in option, but not a built in default, of the GPLv2. With that I mean that the meaning of that phrase is explained in the 9th clause.