# Deno v1.27.1 — Release & Upgrade Intelligence
- **Product:** Deno (https://deno.com)
- **Version:** v1.27.1
- **Released:** Nov 03, 2022
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/deno/updates/v1.27.1/

## Executive Summary (TL;DR)
Deno v1.27.1. Source highlight: feat(core): support creating snapshots from existing snapshots (#14744)

## New Features
- feat(core): support creating snapshots from existing snapshots (#14744)
- feat(unstable): support npm specifiers in `deno info` for display text output only (#16470)
- feat(unstable/lock): autodiscovery of lockfile (#16498)
- feat(unstable/lock): require --unstable flag to auto discover lockfile (#16524)
- feat(unstable/npm): `deno info --json` support for npm specifiers (#16472)

## Bug Fixes
- fix: change default locale value (#16463)
- fix: finish stabilizing Deno.osRelease() (#16447)
- fix: update env to sys permission in jsdoc for Deno.osRelease (#16483)
- fix(cli/dts): add typings for Change Array by copy proposal (#16499)
- fix(core): fix APIs not to be affected by `Promise.prototype.then` modification (#16326)
- fix(ext/crypto): fix HMAC jwk import "use" check (#16465)