npm / react-intersection-observer

react-intersection-observer

What changed in react-intersection-observer 10 to 11, from its official release notes, upgrade guides and advisories. Sources checked 2026-10-18.

3 breaking4 new APIs and options6 fixes and other

See which of these apply to your code, ranked, in your agent:

npx @unstale/cli init

react-intersection-observer 114 changes

InView resumes observation when triggerOnce is disabled.
11.0.1release notes
Callback ref cleanup compatibility is improved across React 17, 18, and 19.
11.0.0release notes
Observation cleanup is now idempotent, making cleanup more resilient.
11.0.0release notes
Thresholds are respected before trigger-once cleanup.
11.0.0release notes

Ignores the browser’s initial inView === false emission for onChange; handlers fire only after a real visibility change, while subsequent transitions are still reported.
10.0.0release notes
Ignores the browser’s initial inView === false emission for onChange; handlers fire only after a real visibility change, while subsequent transitions are still reported.
10.0.0release notes
Ignores the browser’s initial inView === false emission for onChange; handlers fire only after a real visibility change, while subsequent transitions are still reported.
10.0.0release notes

Adds support for the scrollMargin option for intersection observers.
10.1.0release notes
Adds an exported helper type describing the new hook’s callback surface.
10.0.0release notes
Adds an exported helper type describing the new hook’s options surface.
10.0.0release notes
Adds a no-re-render hook that calls a callback with (inView, entry) and returns a ref, for tracking and other side-effect-heavy workloads.
10.0.0release notes

Prevents callbacks from being skipped when triggerOnce is used with merged refs.
10.0.3release notes
Fixes a React 17 webpack build error for useInsertionEffect.
10.0.2release notes