# Deno v1.33.3 — Release & Upgrade Intelligence
- **Product:** Deno (https://deno.com)
- **Version:** v1.33.3
- **Released:** May 12, 2023
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/deno/updates/v1.33.3/

## Executive Summary (TL;DR)
Deno v1.33.3. Source highlight: feat(compile): unstable npm and node specifier support (#19005)

## New Features
- feat(compile): unstable npm and node specifier support (#19005)
- feat(ext/http): Automatic compression for Deno.serve (#19031)
- feat(lsp): ability to configure document pre-load limit (#19097)
- feat(node): add `Module.runMain()` (#19080)

## Improvements
- perf(ext/ffi): Use `Box<[NativeType]>` in CallbackInfo parameters (#19032)
- perf(fmt): faster formatting for minified object literals (#19050)

## Bug Fixes
- fix(cli): upgrade to Typescript 5.0.4 (#19090)
- fix(console): handle error when inspecting promise-like (#19083)
- fix(core): always report the first error on unhandled rejection (#18992)
- fix(core): let V8 drive extension ESM loads (#18997)
- fix(dts): align `seekSync` `position` arg with `seek` (#19077)
- fix(ext/ffi): Callbacks panic on returning isize (#19022)