# Deno v1.3.1 — Release & Upgrade Intelligence
- **Product:** Deno (https://deno.com)
- **Version:** v1.3.1
- **Released:** Aug 21, 2020
- **Impact Score:** 7/10
- **Breaking Changes:** Source flagged
- **Canonical Analysis:** https://changelogs.us/deno/updates/v1.3.1/

## Executive Summary (TL;DR)
Deno v1.3.1. Source highlight: fix: Allow isolated "%"s when parsing file URLs (#7108)

## Breaking Changes & Deprecations
- - BREAKING(std/datetime): Remove currentDayOfYear (#7059)

## New Features
- core: Add missing export of HeapLimits (#7047)
- feat(std/node): Add basic asserts (#7091)
- feat(std/datetime): Generalise parser, add formatter (#6619)

## Bug Fixes
- fix: Allow isolated "%"s when parsing file URLs (#7108)
- fix: Blob.arrayBuffer returns Uint8Array (#7086)
- fix: CLI argument parsing with dash values (#7039)
- fix: Create Body stream from any valid bodySource (#7128)
- fix: Granular permission requests/revokes (#7074)
- fix: Handling of multiple spaces in URLSearchParams (#7068)