# Deno v2.5.4 — Release & Upgrade Intelligence
- **Product:** Deno (https://deno.com)
- **Version:** v2.5.4
- **Released:** Oct 09, 2025
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/deno/updates/v2.5.4/

## Executive Summary (TL;DR)
Deno v2.5.4. Source highlight: fix(cache): don't try to set up node_modules with node_modules_dir manual in

## Bug Fixes
- fix(cache): don't try to set up node_modules with node_modules_dir manual in
- fix(cli): jsx pragma-related swc panics (#30935)
- fix(ext/node): `fs.cp` and `fs.cpSync` compatibility (#30502)
- fix(ext/node): `fs.stat` and `fs.statSync` compatibility (#30866)
- fix(ext/node): avoid stack overflow in `node:zlib`'s `gunzip` (#30865)
- fix(ext/node): fs.realpath buffer encoding (#30885)