Deno / update detail

v2.5.4

Official Deno changelog summary with source attribution, release tags, and community reactions.

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Deno8 months agoOct 9, 2025, 12:49 PMUsefulAI-assisted summary

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~Fix numerous Node compatibility bugs (fs.cp/fs.cpSync, fs.stat/fs.statSync, zlib gunzip overflow, X509Certificate inspection, BadResource mapping, zlib.crc32 handling).
+Resolve crashes and hangs in core tooling (deno cache node_modules handling, SWC JSX pragma panic, tunnel auth subprocess loop, webgpu isolate disposal, tunnel flag visibility).
~Miscellaneous corrections: preserve tilde in version ranges, use ArrayIsArray primordial, and related minor fixes.

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Deno2 days agoJun 3, 2026, 01:41 PMUsefulAI-assisted summary

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+Add extensive crypto support including ChaCha20‑Poly1305, SHA‑3 variants, ML‑DSA signatures and ML‑KEM post‑quantum algorithms.
~Improve compilation and bundling: better dependency resolution, minify flag, separate worker bundles, VFS chdir support, and enable ANSI colors on Windows binaries.