Last year Stockfish attempted to enforce the GPLv3 version of the clause against...

		lolinder on Feb 20, 2022 \| parent \| context \| favorite \| on: Linux's GPLv2 licence is routinely violated (2015) Last year Stockfish attempted to enforce the GPLv3 version of the clause against ChessBase. I'm not sure how it has turned out so far. https://stockfishchess.org/blog/2021/our-lawsuit-against-che... Previous discussion: https://news.ycombinator.com/item?id=27896386