PostHog/posthog-js @posthog/types@1.378.0

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1.378.0

Minor Changes

• #3688 8181354 Thanks @pauldambra! - feat(persistence): add persistence_save_debounce_ms config option to coalesce rapid storage saves into a single write. Setting a positive value debounces writes to localStorage/cookie by that window; the in-memory props object still updates synchronously so within-tab reads see the latest values immediately, and pending writes flush on beforeunload and pagehide so no state is lost on tab close. Cross-tab storage events are reduced proportionally to the debounce window. Defaults to 0 (no debouncing) for backwards compatibility. On pages that capture many events per second, 250 is a reasonable starting point. The new 2026-05-30 config default opts into persistence_save_debounce_ms: 250 automatically.
  (2026-06-01)