# Deno v1.10.3 — Release & Upgrade Intelligence
- **Product:** Deno (https://deno.com)
- **Version:** v1.10.3
- **Released:** May 31, 2021
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/deno/updates/v1.10.3/

## Executive Summary (TL;DR)
Deno v1.10.3. Source highlight: feat(lsp): diagnostics for deno types and triple-slash refs (#10699)

## New Features
- feat(lsp): diagnostics for deno types and triple-slash refs (#10699)
- feat(lsp): provide X-Deno-Warning as a diagnostic (#10680)
- feat(lsp): show hints from `deno_lint` in addition to messages (#10739)
- feat(lsp): support formatting json and markdown files (#10180)

## Bug Fixes
- fix(cli): always allow documentation modules to be checked (#10581)
- fix(cli): canonicalize coverage dir (#10364)
- fix(cli): don't statically error on dynamic unmapped bare specifiers (#10618)
- fix(cli): empty tsconfig.json file does not cause error (#10734)
- fix(cli): support source maps with Deno.emit() and bundle (#10510)
- fix(cli/dts): fix missing error class (NotSupported) in types (#10713)