# Deno v2.4.2 — Release & Upgrade Intelligence
- **Product:** Deno (https://deno.com)
- **Version:** v2.4.2
- **Released:** Jul 16, 2025
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/deno/updates/v2.4.2/

## Executive Summary (TL;DR)
Deno v2.4.2. Source highlight: fix(bundle): default "jsxImportSource" to "react" (#30082)

## Bug Fixes
- fix(bundle): default "jsxImportSource" to "react" (#30082)
- fix(check): temporarily ignore ERR_TYPES_NOT_FOUND (#29926)
- fix(ext/node): don't throw error on invalid path input on `exists` and
- fix(ext/node): validate path parameters on `link` and `linkSync` (#30061)
- fix(lint): do not panic for many overlapping lint fixes (#30104)
- fix(lsp): tsconfig features for 'deno check' parity (#30007)