npm / @metamask/eth-sig-util
@metamask/eth-sig-util
What changed in @metamask/eth-sig-util 9, from its official release notes, upgrade guides and advisories. Sources checked 2026-10-20.
2 breaking1 security
See which of these apply to your code, ranked, in your agent:
npx @unstale/cli init@metamask/eth-sig-util 93 changes
Breaking changes 2
Node.js versions 18 and 20 are no longer supported; Node.js 22 is now the minimum supported version.
Boolean fields accept only true, false, or the exact strings 'true' and 'false'; other values throw instead of being coerced.
Security 1
Additional validation is applied to EIP7702 methods.