# What changed in open

> 15 changes in open 11 from its official release notes, upgrade guides and advisories: 2 breaking. Each one cited. Sources checked 2026-10-18. HTML: https://unstale.sh/npm/open/

To see which of these apply to a repository, run `npx @unstale/cli init` in it.

## open 11

### Breaking changes

- Multiple errors are now reported with AggregateError instead of only the latest error. (11.0.0) — [release notes](https://github.com/sindresorhus/open/releases/tag/v11.0.0)
- Node.js 20 is now required to run open. (11.0.0) — [release notes](https://github.com/sindresorhus/open/releases/tag/v11.0.0)

### Behavior and default changes

- Linux app launching now falls back to chromium-browser. (11.0.0) — [release notes](https://github.com/sindresorhus/open/releases/tag/v11.0.0)
- PowerShell accessibility is automatically detected in WSL. (11.0.0) — [release notes](https://github.com/sindresorhus/open/releases/tag/v11.0.0)

### Fixes and other changes

- Fixes default-browser detection for Safari and Brave in browser and browserPrivate. (11.0.4) — [release notes](https://github.com/sindresorhus/open/releases/tag/v11.0.4)
- Fixes Windows launches being killed when the parent process exits. (11.0.3) — [release notes](https://github.com/sindresorhus/open/releases/tag/v11.0.3)
- Fixes failure in WSL when the working directory is unreachable from Windows. (11.0.1) — [release notes](https://github.com/sindresorhus/open/releases/tag/v11.0.1)
- App launch failure detection is fixed for fallback support. (11.0.0) — [release notes](https://github.com/sindresorhus/open/releases/tag/v11.0.0)
- Handling is fixed when import.meta.url is unavailable. (11.0.0) — [release notes](https://github.com/sindresorhus/open/releases/tag/v11.0.0)
- PowerShell argument escaping is fixed. (11.0.0) — [release notes](https://github.com/sindresorhus/open/releases/tag/v11.0.0)
- PowerShell progress messages are suppressed on Windows. (11.0.0) — [release notes](https://github.com/sindresorhus/open/releases/tag/v11.0.0)
- Process spawn handling is fixed. (11.0.0) — [release notes](https://github.com/sindresorhus/open/releases/tag/v11.0.0)
- stdio is ignored on Windows when the process is not being waited for. (11.0.0) — [release notes](https://github.com/sindresorhus/open/releases/tag/v11.0.0)
- Access to WSL via remote SSH is fixed. (11.0.0) — [release notes](https://github.com/sindresorhus/open/releases/tag/v11.0.0)
- Opening local files from WSL2 is fixed. (11.0.0) — [release notes](https://github.com/sindresorhus/open/releases/tag/v11.0.0)