HN Roundup — Apr 20, 2026: NSA Runs Blacklisted AI, GitHub Stars Are Fake & Atlassian Flips on Data

NSA uses Anthropic's Mythos despite Pentagon ban (344pts), GitHub's purchasable star economy collapses trust, Atlassian reverses its own AI data pledge, plus Deezer's 44% AI-upload flood and EU's 2027 replaceable-battery deadline closing in.

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