# Deno v1.2.0 — Release & Upgrade Intelligence
- **Product:** Deno (https://deno.com)
- **Version:** v1.2.0
- **Released:** Jul 13, 2020
- **Impact Score:** 7/10
- **Breaking Changes:** Source flagged
- **Canonical Analysis:** https://changelogs.us/deno/updates/v1.2.0/

## Executive Summary (TL;DR)
Deno v1.2.0. Source highlight: feat(cli): Add --cert option to "deno upgrade" (#6609)

## Breaking Changes & Deprecations
- - BREAKING(std/encoding/hex): Simplify API (#6690)

## New Features
- feat(cli): Add --cert option to "deno upgrade" (#6609)
- feat(cli): Add --config flag to "deno install" (#6204)
- feat(cli): Add --json option to "deno info" (#6372)
- feat(cli): Add --no-check option (#6456)
- feat(cli): Add --output option to "deno upgrade" (#6352)
- feat(cli): Add DENO_CERT environment variable (#6370)

## Improvements
- perf(cli): Improve .arrayBuffer() speed in fetch API (#6669)

## Bug Fixes
- fix(cli): Don't panic when no "HOME" env var is set (#6728)
- fix(cli): Harden pragma and reference parsing in module analysis (#6702)
- fix(cli): Panic when stdio is null on windows (#6528)
- fix(cli): Parsing of --allow-net flag (#6698)
- fix(cli/js): Allow Buffer to store MAX_SIZE bytes (#6570)
- fix(cli/js): Definition of URL constructor (#6653)