immer

11.2.9 · 22 Oct 2026MIT89.4M / weekRepository Homepage npm Atom feed

Upgrading immer From 9.0.0 to 9.0.1

Same major only

1 release in betweenevery note read

Reading releases, release notes and advisories…

Other targets from 9.0.0Newest 9.x9.0.21 Clears its 2 advisories9.0.6 Latest11.2.9

9.0.0yours
9.0.1target

0
changes to make: 0
advisories fixed: 0
new: 1
fix

Security

2 advisories still affect 9.0.1

Prototype Pollution in immercritical · GHSA-33f9-j839-rf8h
Prototype Pollution in immerhigh · GHSA-c36v-fmgq-m8hx

Upgrading to 9.0.6 clears them.

Release by release

9.0.1
20 Mar 20211 fix
- fixed
  immerable field being lost during patch value cloning

Upgrade to 9.0.1

npm install immer@9.0.1

What 9.0.1 needs

Reading 9.0.1's manifest…

Check against your package.json

Which of your other dependencies stand in the way of 9.0.1. Read once, not stored.

After upgrading

Run the type checker, the linter and the tests.
Build, and look for new deprecation warnings.
Update peer dependencies the new version asks for.
2 advisories still affect 9.0.1.