# Deno v2.3.4 — Release & Upgrade Intelligence
- **Product:** Deno (https://deno.com)
- **Version:** v2.3.4
- **Released:** May 30, 2025
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/deno/updates/v2.3.4/

## Executive Summary (TL;DR)
Deno v2.3.4. Source highlight: feat(UNSTABLE/byow): add `resize` method to `UnsafeWindowSurface` (#29254)

## New Features
- feat(UNSTABLE/byow): add `resize` method to `UnsafeWindowSurface` (#29254)
- feat(ext/webgpu): implement GPUQueue.onSubmittedWorkDone (#29255)
- feat(lsp): display JsErrors at their original line (#29221)
- feat(runtime): add SIGUSR2 handler for low memory notifications (#29295)
- feat(unstable): --allow-net subdomain wildcards (#29327)
- feat: use a single 'performance' global (#29323)

## Bug Fixes
- fix(cli): Correct a small typo in help output (#29395)
- fix(compile): init dummy stdin after debug env is initialized (#29144)
- fix(coverage): HTML validation errors in coverage explorer (#29497)
- fix(coverage): pass DENO_COVERAGE_DIR env var correctly (#29363)
- fix(ext/console): console.group indents two spaces (#29486)
- fix(ext/node): Fix `Database#exec` should return undefined (#29368)