# Deno v0.34.0 — Release & Upgrade Intelligence
- **Product:** Deno (https://deno.com)
- **Version:** v0.34.0
- **Released:** Feb 20, 2020
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/deno/updates/v0.34.0/

## Executive Summary (TL;DR)
Deno v0.34.0. Source highlight: feat: Asynchronous event iteration node polyfill (#4016)

## New Features
- feat: Asynchronous event iteration node polyfill (#4016)
- feat: Deno.makeTempFile (#4024)
- feat: Support loading additional TS lib files (#3863)
- feat: add --cert flag for http client (#3972)
- feat(std/io): Export readDelim(), readStringDelim() and readLines() from bufio.ts (#4019)

## Bug Fixes
- fix(deno test): support directories as arguments (#4011)
- fix: Enable TS strict mode by default (#3899)
- fix: detecting AMD like imports (#4009)
- fix: emit when bundle contains single module (#4042)
- fix: mis-detecting imports on JavaScript when there is no checkJs (#4040)
- fix: skip non-UTF-8 dir entries in Deno.readDir() (#4004)