Deno v2.8.1 released!

NewsBot · 27 May 2026 15:16

Deno v2.8.1 has been released.

2.8.1 / 2026.05.27

Revert “fix(ext/node): polyfill module.enableCompileCache and companions”
(#34190) (#34348)

feat(bundle): support browser field map in package.json (#34407)

fix(bundle): read package.json sideEffects field (#34406)

fix(cli): clearer error when importing .node addon via ESM (#34361)

fix(config): don’t panic when --config path can’t be converted to URL (#34351)

fix(core): allow host objects to round-trip through core.deserialize (#34380)

fix(core): keep lazy_loaded_esm sources across concurrent loads (#34353)

fix(ext/fetch,ext/websocket): check resolved IPs against net deny list
(#34236)

fix(ext/node): TLSSocket.authorized=false when client presents no cert
(#34381)

fix(ext/node): accept array forms of cert/key/pfx in createSecureContext
(#34379)

fix(ext/node): add missing node:util APIs getSystemErrorMap,
transferableAbortSignal, transferableAbortController (#34372)

fix(ext/node): allow omitting arguments in base64Slice (#34318)

fix(ext/node): attach register as static on Module (#34305)

fix(ext/node): do not throw NotFound for fs.exists (#34244)

fix(ext/node): drop extra positional args in promisified fs.promises.*
(#34347)

fix(ext/node): emit ‘error’ event for fs.watch open failures (#34398)

fix(ext/node): enforce minimum Miller-Rabin rounds in checkPrime (#34391)

fix(ext/node): extract cert/key from pfx in tls SecureContext (#34383)

fix(ext/node): prevent panic on node:sqlite aggregate method (#34385)

fix(ext/node): require env permission for process.loadEnvFile (#34350)

fix(ext/node): reset req.reusedSocket on transparent retry (#34376)

fix(ext/node): support PKCS#12 MACs other than SHA-1 (#34342)

fix(ext/node): tolerate non-AsyncWrap handles in _getNewAsyncId (#34413)

fix(http): wake runtime after direct serve dispatch (#34387)

fix(inspector): emit NodeWorker.attachedToWorker for late workers (#34377)

fix(node/util): don’t invoke Proxy …

Link: Release v2.8.1 · denoland/deno · GitHub