# Deno v0.8.0 — Release & Upgrade Intelligence
- **Product:** Deno (https://deno.com)
- **Version:** v0.8.0
- **Released:** Jun 08, 2019
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/deno/updates/v0.8.0/

## Executive Summary (TL;DR)
Deno v0.8.0. Source highlight: feat: Add 'bundle' subcommand. (#2467)

## New Features
- feat: Add 'bundle' subcommand. (#2467)
- feat: Handle compiler diagnostics in Rust (#2445)
- feat: add deno fmt --stdout option (#2439)
- feat: CLI defaults to run subcommand (#2451)
- encoding/csv: add easy api (denoland/deno_std#458)
- ws: Add sec-websocket-version to handshake header (denoland/deno_std#468)

## Improvements
- perf: Create fewer threads (#2476)

## Bug Fixes
- fix: Compiler exit before emit if preEmitDiagnostics found (#2441)
- fix: Deno.core.evalContext & Deno.core.print (#2465)
- fix: Improve setup.py for package managers (#2423)
- fix: Use body when Request instance is passed to fetch (#2435)