PostHog/posthog-js posthog-js@1.426.2

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1.426.2

Patch Changes

• #4763 7b30da7 Thanks @marandaneto! - Ship the package ESM entrypoint with an .mjs extension so Node recognizes its module format, while retaining the existing .js bundle for backwards compatibility.
  (2026-09-03)

• #4759 c475070 Thanks @marandaneto! - Preserve explicitly false feature flag values supplied through bootstrap configuration.
  (2026-09-03)

• #4767 9d683ca Thanks @marandaneto! - Preserve the anonymous distinct ID used for feature flag persistence when identify() queues a reload behind an in-flight flags request.
  (2026-09-03)

• #4766 ed4ba23 Thanks @marandaneto! - Limit persisted initial URLs by their encoded cookie size to prevent long URLs and referrers from exceeding browser cookie limits.
  (2026-09-03)

• #4762 fbf10d4 Thanks @marandaneto! - Merge event-specific $groups with groups registered on the browser client.
  (2026-09-03)

• #4732 f00e24d Thanks @posthog! - Polyfill Array.prototype.findLast in the web vitals attribution bundles so they keep capturing on browsers older than Chrome 97 and Safari 15.4
  (2026-09-03)

• Updated dependencies [c475070, f00e24d]:

  • @posthog/core@1.50.4
  • @posthog/browser-common@0.7.2