# Changelog

## 1.4.0.0

### Non-breaking changes

* Prevent underflows in `threadDelay` (issue #129)

## 1.3.0.0

* `io-sim-1.3.0.0`.
* Support `ghc-9.8`.

## 1.2.0.0

## Non breaking changes

* Added NFData & NoThunks instances for `Time`

## 1.1.0.0

### Non breaking changes

* `io-classes-1.1.0.0`

## 1.0.0.1

### Non breaking changes

* Support `ghc-9.6`.

## 1.0.0.0

* initial version