# Deno v2.1.10 — Release & Upgrade Intelligence
- **Product:** Deno (https://deno.com)
- **Version:** v2.1.10
- **Released:** Feb 13, 2025
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/deno/updates/v2.1.10/

## Executive Summary (TL;DR)
Deno v2.1.10. Source highlight: Revert "fix(lsp): silence debug error for 'move to a new file' action

## Improvements
- perf(compile): use bytes already in memory after downloading executable
- perf(lsp): cancellation checks in blocking code (#27997)
- perf: node resolution cache (#27838)

## Bug Fixes
- Revert "fix(lsp): silence debug error for 'move to a new file' action
- fix(cli): Fix panic in `load_native_certs` (#27863)
- fix(compile): never include the specified output executable in itself (#27877)
- fix(ext/napi): napi_is_buffer tests for ArrayBufferView (#27956)
- fix(ext/node): expose brotli stream APIs (#27943)
- fix(ext/node): fix missing privateKey.x in curve25519 JWK (#27990)