# Deno v1.29.4 — Release & Upgrade Intelligence
- **Product:** Deno (https://deno.com)
- **Version:** v1.29.4
- **Released:** Jan 16, 2023
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/deno/updates/v1.29.4/

## Executive Summary (TL;DR)
Deno v1.29.4. Source highlight: feat(core): Reland support for async ops in realms (#17204)

## New Features
- feat(core): Reland support for async ops in realms (#17204)

## Bug Fixes
- fix(cli/fmt): show filepath for InvalidData error (#17361)
- fix(core): Add `Generator` and `AsyncGenerator` to promordials (#17241)
- fix(ext/fetch) Fix request clone error in flash server (#16174)
- fix(ext/fetch): remove Response.trailer from types (#17284)
- fix(ext/ffi): use SafeMap in getTypeSizeAndAlignment (#17305)
- fix(ext/flash): Correctly handle errors for chunked responses (#17303)