# Deno v1.29.0 — Release & Upgrade Intelligence
- **Product:** Deno (https://deno.com)
- **Version:** v1.29.0
- **Released:** Dec 15, 2022
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/deno/updates/v1.29.0/

## Executive Summary (TL;DR)
Deno v1.29.0. Source highlight: feat(cli): support configuring the lock file in the config file (#16781)

## New Features
- feat(cli): support configuring the lock file in the config file (#16781)
- feat(cli): support deno bench in the config file (#16608)
- feat(ext/ffi): better type hints for Deno.dlopen (#16874)
- feat(flags): add `deno check --all` as new preferred alias for `--remote`
- feat(fmt): improve width calculation (#16982)
- feat(init): Generate deno.json by default (#16389)

## Improvements
- perf(ext/websocket): skip Events constructor checks (#16365)
- perf: use fast api for io read/write sync (#15863)

## Bug Fixes
- fix(cli/upgrade): properly cleanup after finished (#16930)
- fix(compile): ensure import map is used when specified in deno config file
- fix(ext/fetch): new Request should soft clone (#16869)
- fix(ext/websocket): Reland make try_send ops infallible (#16968)
- fix(fmt): panic in yaml header with multi-byte characters (#17042)
- fix(napi): respect --quiet flag in unimplemented warnings (#16935)