# Bun bun-v0.7.1 — Release & Upgrade Intelligence
- **Product:** Bun (https://bun.sh)
- **Version:** bun-v0.7.1
- **Released:** Jul 29, 2023
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/bun/updates/bun-v0.7.1/

## Executive Summary (TL;DR)
Bun bun-v0.7.1. Source highlight: curl https://bun.sh/install | bash

## New Features
- Add guides
- feat(bun/test): Impl. expect().pass() & expect().fail()
- add fork to child_process

## Improvements
- improve test
- [install] improve workspace substitution of npm dependencies
- Start time performance improvements to build tools

## Bug Fixes
- fix #3716
- Fix `writeFileSync` when the mode is greater than 0o777.
- fix path.format for `vite build`
- Fix bugs with connecting to localhost
- [install] fix workspace override of aliased npm dependency
- fix rope string push