Impact Score: 5/10
Deno v1.1.3 — Release Notes & Engineering Impact
Source available — automated, not human-reviewed
Component: deno · Channel: stable. Automated analysis, not a compatibility certification. How this works.
Analysis updated: 2026-11-01.
⚡ Executive Summary (TL;DR)
Deno v1.1.3. Source highlight: fix(cli): Change seek offset type from i32 to i64 (#6518)
Who Does This Impact? (Role-Based Analysis)
💻 Software Engineers & Devs
Check the source notes against the package and APIs you use before upgrading.
📊 Product & Engineering Leads
Use the documented changes to assess relevance to your product; release frequency alone is not a quality measure.
⚙️ DevOps & Security
Verify the target version, runtime requirements and rollback procedure in the official documentation.
✨ New Features & Capabilities (6)
- feat(std/asserts): Allow assert functions to specify type parameter (#6413)
- feat(std/datetime): Add is leap and difference functions (#4857)
- feat(std/io): Add fromStreamReader, fromStreamWriter (#5789, #6535)
- feat(std/node): Add Buffer.allocUnsafe (#6533)
- feat(std/node): Add Buffer.isEncoding (#6521)
- feat(std/node): Support hex/base64 encoding in fs.readFile/fs.writeFile (#6512)
⚡ Performance & Enhancements (1)
- refactor: Improvements to TsCompiler and its tests (#6576)
🔧 Bug Fixes & Patches (6)
- fix(cli): Change seek offset type from i32 to i64 (#6518)
- fix(cli/body): Maximum call stack size exceeded error (#6537)
- fix(cli/doc): Doc printer missing [] around tuple type (#6523)
- fix(cli/js): Buffer.bytes() ArrayBuffer size (#6511)
- fix(cli/js): Fix conditional types for process sockets (#6275)
- fix(cli/upgrade): Upgrade fails on Windows with space in temp path (#6522)
📄 View Raw Release Notes (Original Developer Log)
### v1.1.3 / 2020.07.03
Changes in the CLI:
- fix(cli): Change seek offset type from i32 to i64 (#6518)
- fix(cli/body): Maximum call stack size exceeded error (#6537)
- fix(cli/doc): Doc printer missing [] around tuple type (#6523)
- fix(cli/js): Buffer.bytes() ArrayBuffer size (#6511)
- fix(cli/js): Fix conditional types for process sockets (#6275)
- fix(cli/upgrade): Upgrade fails on Windows with space in temp path (#6522)
- fix: Lock file for dynamic imports (#6569)
- fix: Move ImportMeta to deno.ns lib (#6588)
- fix: Net permissions didn't account for default ports (#6606)
- refactor: Improvements to TsCompiler and its tests (#6576)
- upgrade: deno_lint 0.1.15 (#6580, #6614)
- upgrade: dprint-plugin-typescript 0.19.5 (#6527, #6614)
Changes in std version 0.60.0:
- feat(std/asserts): Allow assert functions to specify type parameter (#6413)
- feat(std/datetime): Add is leap and difference functions (#4857)
- feat(std/io): Add fromStreamReader, fromStreamWriter (#5789, #6535)
- feat(std/node): Add Buffer.allocUnsafe (#6533)
- feat(std/node): Add Buffer.isEncoding (#6521)
- feat(std/node): Support hex/base64 encoding in fs.readFile/fs.writeFile (#6512)
- feat(std/wasi) Implement fd_filestat_get (#6555)
- feat(std/wasi) Implement fd_filestat_set_size (#6558)
- feat(std/wasi): Implement fd_datasync (#6556)
- feat(std/wasi): Implement fd_sync (#6560)
- fix(std/http): Catch errors on file_server response.send (#6285)
- fix(std/http): Support ipv6 parsing (#5263)
- fix(std/log): Print "{msg}" when log an empty line (#6381)
- fix(std/node): Add fill & encoding args to Buffer.alloc (#6526)
- fix(std/node): Do not use absolute urls (#6562)
- fix(std/wasi): path_filestat_get padding (#6509)
- fix(std/wasi): Use lookupflags for path_filestat_get (#6530)
- refactor(std/http): Cookie types to not require full ServerRequest object (#6577)
### Install / Upgrade
**Using Deno:**
```sh
deno upgrade --version 1.1.3
```
**With Shell:**
```sh
curl -fsSL https://deno.land/x/install/install.sh | sh -s v1.1.3
```
**With PowerShell:**
```powershell
$v="1.1.3"; iwr https://deno.land/x/install/install.ps1 -useb | iex
```