concurrently

10.0.6 · 8 Oct 2026MIT29.2M / weekRepository Homepage npm Atom feed

Upgrading concurrently From 3.6.1 to 4.0.0

Same major only

1 release in betweenevery note read

Reading releases, release notes and advisories…

Other targets from 3.6.1Latest10.0.6

Tick each one off as you go

It does feature some small breaking changes, and maybe even fixes some longstanding bugs.
breaking4.0.0
The CLI option --allow-restarts is no more. Instead, just set --restart-tries to something greater than 0.
breaking4.0.0
Input handling is now opt-in via --handle-input flag. It does come with some specific input parsing that would make it difficult for you to use it with some tools.
breaking4.0.0
Setting prefix to none will now actually not prefix commands' outputs. Previously, it would prefix with .
breaking4.0.0
SIGINTs/Ctrl+C will now be handled gracefully. No more exiting with code 1 or tweaking --success flag.
breaking4.0.0

npm install concurrently@4.0.0

Reading 4.0.0's manifest…

Check against your package.json

Which of your other dependencies stand in the way of 4.0.0. Read once, not stored.