# Bun bun-v0.6.12 — Release & Upgrade Intelligence
- **Product:** Bun (https://bun.sh)
- **Version:** bun-v0.6.12
- **Released:** Jun 30, 2023
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/bun/updates/bun-v0.6.12/

## Executive Summary (TL;DR)
Bun bun-v0.6.12. Source highlight: curl https://bun.sh/install | bash

## New Features
- Error.prototype.stack gets sourcemapped stacktraces and introduce Error.appendStackTrace
- Introduce `await Bun.file(path).exists()`
- add setters for `Agent` properties

## Bug Fixes
- Fix .randomInt() export
- Fix debug assertion failure in escapeHTML with UTF-16 text
- [jest] fix lifecycle hook execution order
- Revert "[jest] fix lifecycle hook execution order"
- fix node-fetch again
- Fixes #3462