# Deno v2.4.1 — Release & Upgrade Intelligence
- **Product:** Deno (https://deno.com)
- **Version:** v2.4.1
- **Released:** Jul 08, 2025
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/deno/updates/v2.4.1/

## Executive Summary (TL;DR)
Deno v2.4.1. Source highlight: feat(unstable/otel): support vsock transport for telemetry (#30001)

## New Features
- feat(unstable/otel): support vsock transport for telemetry (#30001)
- feat(unstable): tunnelling (#30022)

## Improvements
- perf: bust emit cache only on deno_ast version change (#29984)
- perf: skip jsx transpile when disabled (#29995)

## Bug Fixes
- fix(bundle): don't use createRequire when targeting browser, make hack not depend on variable names (#30023)
- fix(bundle): make the "dynamic require" hack work on minified output (#29997)
- fix(bundle): resolve "sloppy imports" in npm packages when bundling (#29989)
- fix(ext/http2): fix oob buffer reads in http2 requests (#29969)
- fix(serve): actually wire up resolving main module with import map for deno serve (#29974)
- fix(unstable): bytes and text imports from npm dependencies should require `--allow-read` (#29990)