# Deno v2.9.8 — Release & Upgrade Intelligence
- **Product:** Deno (https://deno.com)
- **Version:** v2.9.8
- **Released:** Oct 21, 2026
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/deno/updates/v2.9.8/

## Executive Summary (TL;DR)
Deno v2.9.8. Source highlight: fix(compile): check read permission for dynamically imported local files

## Bug Fixes
- fix(compile): check read permission for dynamically imported local files
- fix(completions): complete script paths for bare deno run in zsh (#36976)
- fix(core): keep op contexts alive until the isolate is disposed (#37026)
- fix(coverage): skip the V8 code cache while collecting coverage (#36901)
- fix(ext/fetch): bump hyper-util to 0.1.21 and hyper to 1.11.1 to cancel idle
- fix(ext/napi): check napi_create_dataview bounds for overflow (#36962)