npm / @peculiar/webcrypto

@peculiar/webcrypto

What changed in @peculiar/webcrypto 1 to 2, from its official release notes, upgrade guides and advisories. Sources checked 2026-10-28.

10 breaking1 fixes and other

See which of these apply to your code, ranked, in your agent:

npx @unstale/cli init

@peculiar/webcrypto 210 changes

Deep imports into build/ remain blocked by package exports.
2.0.0release notes
Generated declarations replace the hand-written index.d.ts; Crypto now shows its webcrypto-core base class.
2.0.0release notes
The unbundled ES module build/index.js replaces the previous bundled outputs as the package entry point.
2.0.0release notes
@peculiar/webcrypto is ESM-only; CommonJS require works through require(esm) on supported Node.js versions, but not on Node.js 22.0–22.11.
2.0.0release notes
TypeScript projects compiling to CommonJS need module set to node20 or nodenext.
2.0.0release notes
The minimum supported Node.js version is now ^20.19.0 || >=22.12.0, up from >=14.18.0.
2.0.0release notes
@peculiar/asn1-schema ^3.0.0 is now a peer dependency; a conflicting major fails at install, and applications need one shared copy.
2.0.0release notes
@peculiar/json-schema ^3.0.0 is now a peer dependency; a conflicting major fails at install, and applications need one shared copy.
2.0.0release notes
The react-native package field is removed.
2.0.0release notes
webcrypto-core ^2.0.0 is now a peer dependency; a conflicting major fails at install, and applications need one shared copy for compatible CryptoKey classes.
2.0.0release notes