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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Add riscv64 architecture support","articleBody":"`actions/setup-python` fails on riscv64 runners because `actions/python-versions` does not provide pre-built Python binaries for `linux/riscv64`:\n\n```\nError: The version '3.11 - 3.14' with architecture 'riscv64' was not found for Ubuntu 24.04.\n```\n\nThis blocks all Python CI workflows on riscv64 GitHub Actions runners. RISC-V self-hosted runners are becoming available through the [RISE RISC-V runners](https://github.com/apps/rise-risc-v-runners) program, used by projects like numpy, llama.cpp, and pytorch.\n\nCPython supports riscv64 as a Tier 3 platform and builds natively on current hardware.\n\nIdeally, `actions/python-versions` would add riscv64 to its build matrix. As a shorter-term fix, `setup-python` could fall back to system Python when pre-built binaries are unavailable for the current architecture.","author":{"url":"https://github.com/gounthar","@type":"Person","name":"gounthar"},"datePublished":"2026-03-18T14:36:51.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":7},"url":"https://github.com/1288/setup-python/issues/1288"}