# Deno v0.33.0 — Release & Upgrade Intelligence
- **Product:** Deno (https://deno.com)
- **Version:** v0.33.0
- **Released:** Feb 13, 2020
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/deno/updates/v0.33.0/

## Executive Summary (TL;DR)
Deno v0.33.0. Source highlight: feat(std/http): support trailer headers (#3938, #3989)

## New Features
- feat(std/http): support trailer headers (#3938, #3989)
- feat(std/node): Add readlink, readlinkSync (#3926)
- feat(std/node): Event emitter node polyfill (#3944, #3959, #3960)
- feat(deno install): add --force flag and remove yes/no prompt (#3917)
- feat: Improve support for diagnostics from runtime compiler APIs (#3911)
- feat: `deno fmt -` formats stdin and print to stdout (#3920)

## Improvements
- refactor: Improve `deno bundle` by using System instead of AMD (#3965)

## Bug Fixes
- fix(std/http): align serve and serveTLS APIs (#3881)
- fix(std/http/file_server): don't crash on "%" pathname (#3953)
- fix(std/path): Use non-capturing groups in globrex() (#3898)
- fix(deno types): don't panic when piped to head (#3910)
- fix(deno fmt): support top-level await (#3952)
- fix: Correctly determine a --cached-only error (#3979)