Unverified50% confidenceFactExact time
GPLv3引入了安装信息条款（反锁定条款），要求嵌入式设备必须允许用户替换修改后的GPL软件
1
Sources
50%
Confidence
Long-term
Relevance
8/19/2026
First Seen
Sources
Related Claims
VerifiedIf firmware uses GPL v2/v3, derivative versions developed based on that firmware must likewise open-source their code under GPL — this is the core mechanism of Copyleft's viral nature.73% similarUnverifiedGPL has gone through three major versions: GPLv1 (1989), GPLv2 (1991), and GPLv3 (2007).70% similarUnverifiedGPL's copyleft clause requires that derivative works also be released under the GPL, giving it an infectious nature.70% similarUnverifiedThe Linux kernel still uses GPLv2 to this day, and Linus Torvalds has explicitly stated that he will not migrate to GPLv3.66% similar
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