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An increasing number of open source maintainers are expressing frustration over AI-generated pull requests, leading some to stop accepting PRs from external contributors. This trend raises concerns about the future of the open source community. The rapid advancement of AI technology has led some maintainers to believe that the quality of AI-generated code is unreliable, potentially impacting the stability and security of projects. At the same time, the vitality and innovation of open source projects often rely on broad community participation, and restricting external contributions may lead to stagnation. Maintainers need to find a balance between ensuring code quality and encouraging community involvement to foster the ongoing development of open source projects.