# Deno v0.23.0 — Release & Upgrade Intelligence
- **Product:** Deno (https://deno.com)
- **Version:** v0.23.0
- **Released:** Nov 05, 2019
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/deno/updates/v0.23.0/

## Executive Summary (TL;DR)
Deno v0.23.0. Source highlight: feat: Add serveTLS and listenAndServeTLS (#3257)

## New Features
- feat: Add serveTLS and listenAndServeTLS (#3257)
- feat: Lockfile support (#3231)
- feat: Adds custom inspect method for URL (#3241)

## Bug Fixes
- fix: Support for deep `Map` equality with `asserts#equal` (#3236, #3258)
- fix: Make EOF unique symbol (#3244)
- fix: Prevent customInspect error from crashing console (#3226)