Verified70% confidenceFactExact time
If 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.
4
Sources
70%
Confidence
Long-term
Relevance
7/12/2026
First Seen
Sources
The OpenHaldex Controller "Open Source" Controversy: A Debate Over Name vs. Reality, and a Consumer's Guide
redditr/opensource7/10/2026
Related Claims
UnverifiedGPL v2 的传染性条款要求任何基于 Jellyfin 代码的衍生作品都必须同样以 GPL v2 开放源代码83% similarVerifiedGPLv3 is a strong copyleft license released by the Free Software Foundation, requiring that derivative works based on its code must be distributed under the same license as open source.79% similarVerifiedGPL's copyleft clause requires that derivative works also be released under the GPL, giving it an infectious nature.76% similarUnverifiedGPL has gone through three major versions: GPLv1 (1989), GPLv2 (1991), and GPLv3 (2007).76% similarUnverifiedGPLv3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73% similar
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