demo · v135
reason → reasons (or vice versa)
The NotRestoredReasons API in PerformanceNavigationTiming renamed a property in Chrome 135 to align with the spec. The page reads the live API and shows what your browser actually returns — so you can spot the rename in the wild.
NotRestoredReasons: ?
old shape (pre-135)
entry.notRestoredReasons.reason = "fetch"
new shape (chrome 135+)
entry.notRestoredReasons.reasons = [{ reason: "fetch" }]
your browser returned
click "probe"
see also
- NotRestoredReasons rename — feature index
- ChromeStatus entry