# Deno v1.18.1 — Release & Upgrade Intelligence
- **Product:** Deno (https://deno.com)
- **Version:** v1.18.1
- **Released:** Jan 27, 2022
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/deno/updates/v1.18.1/

## Executive Summary (TL;DR)
Deno v1.18.1. Source highlight: feat(unstable): add Deno.networkInterfaces (#13475)

## New Features
- feat(unstable): add Deno.networkInterfaces (#13475)

## Improvements
- perf(lsp): improve some tsc op hot paths (#13473)
- perf(lsp): independent diagnostic source publishes (#13427)

## Bug Fixes
- fix(ext/crypto): duplicate RsaHashedImportParams types (#13466)
- fix(lsp): respect DENO_CERT and other options related to TLS certs (#13467)