# Deno v1.42.4 — Release & Upgrade Intelligence
- **Product:** Deno (https://deno.com)
- **Version:** v1.42.4
- **Released:** Apr 16, 2024
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/deno/updates/v1.42.4/

## Executive Summary (TL;DR)
Deno v1.42.4. Source highlight: fix(check): cache bust when changing nodeModulesDir setting (#23355)

## Improvements
- perf(lsp): Only deserialize response from `op_respond` once (#23349)
- perf: do not clone swc `Program` when transpiling (#23365)

## Bug Fixes
- fix(check): cache bust when changing nodeModulesDir setting (#23355)
- fix(ext/io): Fix NUL termination error in windows named pipes (#23379)
- fix(ext/node): add stub for AsyncResource#asyncId() (#23372)
- fix(ext/node): panic on 'worker_threads.receiveMessageOnPort' (#23386)
- fix(ext/node): promise rejection in VM contexts (#23305)
- fix(ext/node): use ext/io stdio in WriteStream (#23354)