# Deno v1.43.4 — Release & Upgrade Intelligence
- **Product:** Deno (https://deno.com)
- **Version:** v1.43.4
- **Released:** May 17, 2024
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/deno/updates/v1.43.4/

## Executive Summary (TL;DR)
Deno v1.43.4. Source highlight: fix(cli): panic with `deno coverage` (#23353)

## Improvements
- perf(compile): Do not checksum eszip content (#23839)
- perf(jsr): download metadata files as soon as possible and in parallel
- perf(lsp): Cache semantic tokens for open documents (#23799)

## Bug Fixes
- fix(cli): panic with `deno coverage` (#23353)
- fix(doc): --lint - private ref diagnostic was displaying incorrect information
- fix(doc/publish): support expando properties (#23795)
- fix(emit): regression - keep comments in emit (#23815)
- fix(ext/node): export geteuid from node:process (#23840)
- fix(ext/node): fix grpc error_handling example (#23755)