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immer

11.2.9 · 22 Oct 2026MIT89.4M / weekRepositoryHomepagenpmAtom feed

Upgrading immer From 3.3.0 to 4.0.0

1 release in betweenevery note read

Other targets from 3.3.0Latest11.2.9
  1. 3.3.0yours
  2. 4.0.0target
1
change to make
0
advisories fixed
1
new
0
fixes

Before you upgrade

Tick each one off as you go
  • breaking4.0.0

Release by release

  1. 4.0.0

    Migration needed11 Sep 20191 new
    • breaking

      Any value returned from produce will be deeply frozen in DEV, even when it wasn't frozen before the producer started. Fixes #412 #363 #260 #230 #313 #229 through #417

    • new

      In development mode, any new value stored in a tree will be deeply frozen.