# Deno v0.13.0 — Release & Upgrade Intelligence
- **Product:** Deno (https://deno.com)
- **Version:** v0.13.0
- **Released:** Jul 31, 2019
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/deno/updates/v0.13.0/

## Executive Summary (TL;DR)
Deno v0.13.0. Source highlight: feat: add debug info to ModuleResolutionError (#2697)

## New Features
- feat: expose writeAll() and writeAllSync() (#2298)
- feat: Add --current-thread flag (#2702)

## Improvements
- perf: Remove v8::Locker calls (#2665, #2664)

## Bug Fixes
- feat: add debug info to ModuleResolutionError (#2697)
- fix: REPL shouldn't panic when it gets SIGINT (#2662)
- fix: Remap stack traces of unthrown errors (#2693)
- fix: bring back --no-fetch flag (#2671)
- fix: handle deno -v and deno --version (#2684)
- fix: make importmap flag global (#2687)