# Deno v1.38.5 — Release & Upgrade Intelligence
- **Product:** Deno (https://deno.com)
- **Version:** v1.38.5
- **Released:** Dec 05, 2023
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/deno/updates/v1.38.5/

## Executive Summary (TL;DR)
Deno v1.38.5. Source highlight: feat(unstable): kv.watch() (#21147)

## New Features
- feat(unstable): kv.watch() (#21147)

## Improvements
- perf(lsp): better op performance logging (#21423)
- perf(lsp): check tsc request cancellation before execution (#21447)

## Bug Fixes
- perf(lsp): fix redundant clones for ts responses (#21445)
- perf(lsp): fix redundant serialization of sources (#21435)