# Deno v0.9.0 — Release & Upgrade Intelligence
- **Product:** Deno (https://deno.com)
- **Version:** v0.9.0
- **Released:** Jun 15, 2019
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/deno/updates/v0.9.0/

## Executive Summary (TL;DR)
Deno v0.9.0. Source highlight: feat: add deno install command (#2522)

## New Features
- feat: add deno install command (#2522)
- feat: URLSearchParams should work with custom iterator (#2512)
- feat: default output filename for deno bundle (#2484)
- feat: expose window.Response (#2515)
- feat: Add --seed for setting RNG seed (#2483)
- feat: Import maps (#2360)

## Bug Fixes
- fix: setTimeout API adjustments (#2511, #2497)
- fix: URL and URLSearchParams bugs (#2495, #2488)
- fix: make global request type an interface (#2503)