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September 1, 2026 14:43
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Promoted to #21400. |
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Concurrent uv processes sharing a cache could each extract the same local wheel or a wheel built from a source distribution. Source builds were serialized, but their lock was released before extracting the result, and the extraction locks were enabled only on Windows.
Acquire the lock for the source-specific wheel cache entry on every platform before checking for an extracted wheel, and hold it through publication. For built wheels, this remains scoped to the source revision and build settings, allowing waiting processes to reuse the completed extraction. Keep the existing Windows lock names for shared-cache compatibility and use bounded wheel cache keys elsewhere.