1.9.0 (2018-12-15)

TypeScript users: Please pin your immer version to 1.8 if you use typescript <3.1.1. Thanks!

Bug Fixes

• ts: improve IProduce (8a86e7c), closes #205

Features

• add Immer class (ecd04dc), closes #254
• add hooks to the Immer class (7f50364)
• add types for Immer class (f36d329)
• drop typescript@2 support (04e3cdf)
• drop typescript@3.0 support (66e51e1)

Performance Improvements

• proxy: deletion of an undeclared property (c0ce252)