# Deno v2.6.9 — Release & Upgrade Intelligence
- **Product:** Deno (https://deno.com)
- **Version:** v2.6.9
- **Released:** Feb 10, 2026
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/deno/updates/v2.6.9/

## Executive Summary (TL;DR)
Deno v2.6.9. Source highlight: feat(doc): support markdown files (#32024)

## New Features
- feat(doc): support markdown files (#32024)
- feat(upgrade): ability to verify zip archive against checksum (#31804)
- feat(upgrade): add context to error messages for better troubleshooting
- feat: Send reject-ack message through cron socket (#32035)

## Bug Fixes
- fix(audit): make 'Path' property more readable (#32049)
- fix(cli): pull in tunnel fix for windows (#32033)
- fix(compile): use a temporary directory with a node_modules folder when
- fix(ext/node): Fix `.only` tests compatibilty (#32043)
- fix(ext/node): `fs.writeFile` and `FileHandle.writeFile` compatibility
- fix(ext/node): add `threadName` to worker_threads module (#32072)