Impact Score: 5/10
Deno v1.4.1 โ Release Notes & Engineering Impact
Source available โ automated, not human-reviewed
Component: deno ยท Channel: stable. Automated analysis, not a compatibility certification. How this works.
Analysis updated: 2026-11-01.
โก Executive Summary (TL;DR)
Deno v1.4.1. Source highlight: fix(cli/console): escape special characters in strings and property names (#7546, #7533, #7550)
Who Does This Impact? (Role-Based Analysis)
๐ป Software Engineers & Devs
Check the source notes against the package and APIs you use before upgrading.
๐ Product & Engineering Leads
Use the documented changes to assess relevance to your product; release frequency alone is not a quality measure.
โ๏ธ DevOps & Security
Verify the target version, runtime requirements and rollback procedure in the official documentation.
โจ New Features & Capabilities (2)
- benchmark: add no_check_hello benchmark (#7458)
- feat(std/node): add AssertionError class (#7210)
๐ง Bug Fixes & Patches (6)
- fix(cli/console): escape special characters in strings and property names (#7546, #7533, #7550)
- fix(cli/fmt): canonicalize files in current dir (#7508)
- fix(cli/fmt): make fmt output more readable (#7534)
- fix(cli/install): revert "bundle before installation" (#7522)
- fix(cli/js): disable URL.createObjectUrl (#7543)
- fix(cli/js): use Buffer.writeSync in MultipartBuilder (#7542)
๐ View Raw Release Notes (Original Developer Log)
### 1.4.1 / 2020.09.18
- fix(cli/console): escape special characters in strings and property names (#7546, #7533, #7550)
- fix(cli/fmt): canonicalize files in current dir (#7508)
- fix(cli/fmt): make fmt output more readable (#7534)
- fix(cli/install): revert "bundle before installation" (#7522)
- fix(cli/js): disable URL.createObjectUrl (#7543)
- fix(cli/js): use Buffer.writeSync in MultipartBuilder (#7542)
- fix(cli/repl): disable rustyline logs (#7535)
- fix(cli/repl): format evaluation results with the object specifier (#7561)
- fix(cli/bundle,eval,repl): add missing flags (#7414)
- refactor(cli): move fetch() implementation to op_crates/fetch (#7524,#7529)
- refactor(cli): move FileReader and URL to op_crates/web (#7554, #7544)
- refactor(cli): move op_resources and op_close to deno_core (#7539)
- refactor(cli/info,unstable): deno info --json output (#7417)
- refactor(cli/js): simplify global properties (#7502)
- refactor(cli/js): use Symbol.for instead of Symbol (#7537)
- refactor(core): remove JsRuntime::set_js_error_create_fn (#7478)
- refactor(core): use the 'anyhow' crate instead of ErrBox (#7476)
- upgrade: rust crates (#7454)
- benchmark: add no_check_hello benchmark (#7458)
Changes in std version 0.70.0:
- feat(std/node): add AssertionError class (#7210)
- fix(std/datetime): timezone bug (#7466)
- fix(std/testing): assertion diff color (#7499)