# Deno v0.30.0 — Release & Upgrade Intelligence
- **Product:** Deno (https://deno.com)
- **Version:** v0.30.0
- **Released:** Jan 18, 2020
- **Impact Score:** 7/10
- **Breaking Changes:** Source flagged
- **Canonical Analysis:** https://changelogs.us/deno/updates/v0.30.0/

## Executive Summary (TL;DR)
Deno v0.30.0. Source highlight: BREAKING CHANGE Revert "feat(flags): script arguments come after '--'" (#3681)

## Breaking Changes & Deprecations
- - BREAKING CHANGE Revert "feat(flags): script arguments come after '--'" (#3681)

## New Features
- BREAKING CHANGE Revert "feat(flags): script arguments come after '--'" (#3681)
- feat(fs): add more unix-only fields to FileInfo (#3680)
- feat(http): allow response body to be string (#3705)
- feat(std/node): Added node timers builtin (#3634)
- feat: Add Deno.symbols and move internal fields for test (#3693)
- feat: Add gzip, brotli and ETag support for file fetcher (#3597)

## Improvements
- perf: Create an old program to be used in snapshot (#3644, #3661)
- perf: share http client in file fetcher (#3683)

## Bug Fixes
- fix(workers): minimal error handling and async module loading (#3665)
- fix: Remove std/multipart (#3647)
- fix: Resolve read/write whitelists from CWD (#3684)
- fix: process hangs when fetch called (#3657)