# Deno v1.2.1 — Release & Upgrade Intelligence
- **Product:** Deno (https://deno.com)
- **Version:** v1.2.1
- **Released:** Jul 24, 2020
- **Impact Score:** 7/10
- **Breaking Changes:** Source flagged
- **Canonical Analysis:** https://changelogs.us/deno/updates/v1.2.1/

## Executive Summary (TL;DR)
Deno v1.2.1. Source highlight: fix: IPv6 hostname should be compressed (#6772)

## Breaking Changes & Deprecations
- - BREAKING(std/fs): remove readFileStr and writeFileStr (#6848, #6847)

## New Features
- feat(std/encoding): add ascii85 module (#6711)
- feat(std/node): add string_decoder (#6638)

## Improvements
- refactor(std/datetime): improve weekOfYear (#6741)

## Bug Fixes
- fix: IPv6 hostname should be compressed (#6772)
- fix: Ignore polling errors caused by return() in watchFs (#6785)
- fix: Improve URL compatibility (#6807)
- fix: ModuleSpecifier removes relative path parts (#6762)
- fix: Share reqwest client between fetch calls (#6792)
- fix: add icon and metadata to deno.exe on Windows (#6693)