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npm · #4208 most downloaded on npm
Finite State Machines and Statecharts for the Modern Web.
Last release today
17 Sep 2026
Ships on a steady schedule
a new release about every 9 days
Nearly every release is documented
notes for 60 of the last 60 stable releases
Nothing withdrawn
no release was ever pulled
9 years old
334 releases · first in 2017
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### Patch Changes - #4380 `e9e065822` Thanks @Andarist! - Fixed an issue with exit actions sometimes being called twice when a machine reaches its fin
One column per quarter.
`ts import { cancel } from 'xstate'; `
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