# Deno v1.17.1 — Release & Upgrade Intelligence
- **Product:** Deno (https://deno.com)
- **Version:** v1.17.1
- **Released:** Dec 22, 2021
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/deno/updates/v1.17.1/

## Executive Summary (TL;DR)
Deno v1.17.1. Source highlight: feat(lsp, unstable): add code lens for debugging tests (#13138)

## New Features
- feat(lsp, unstable): supply accept header when fetching registry config

## Bug Fixes
- feat(lsp, unstable): add code lens for debugging tests (#13138)
- fix: inspector prompts (#13123)
- fix(coverage): Split sources by char index (#13114)
- fix(ext/ffi): use `c_char` instead of `i8` for reading strings (#13118)
- fix(ext/websocket): WebSocketStream don't error with "sending after closing"
- fix(repl): support assertions on import & export declarations (#13121)