immer
11.2.9 · 22 Oct 2026MIT89.4M / weekRepositoryHomepagenpmAtom feed
Your version
1.12.1 is the newest release of 1.x.
In short
1 new7 fixed1 internal
Release note
Bug Fixes
es5: account for drafts in prepareCopy
Draft as base state
Object.getPrototypeOf with a draft
Property descriptor edge cases
Throw on circular references
es5: onDelete hook
ts: Immer class options and ImmerState types
Features
Limited class support