chore(deps): update dependency posthog-js to v1.427.2

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
posthog-js (source)	1.425.1 → 1.427.2

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Release Notes

PostHog/posthog-js (posthog-js)

v1.427.2

Compare Source

1.427.2

Patch Changes

• #​4787 fd87caf Thanks @​marandaneto! - Prevent failures in automatic and manual exception processing from escaping into customer code.
  (2026-09-04)

v1.427.1

Compare Source

1.427.1

Patch Changes

• #​4786 a04c333 Thanks @​marandaneto! - Prevent automatic and manual exception capture from recursively recapturing stack overflows raised while sending an exception.
  (2026-09-04)

v1.427.0

Compare Source

1.427.0

Minor Changes

• #​4774 426e1fd Thanks @​Fhatu12! - Add reuseAnonymousId support to browser identify calls.
  (2026-09-04)

Patch Changes

• #​4782 b64b113 Thanks @​posthog! - Stop counting stack frames that have no filename (in-app browser bridge scripts and other code the runtime reports without a script URL) as in-app code.
  (2026-09-04)

• #​4758 dd74222 Thanks @​marandaneto! - Keep relaying session recording events when a cross-origin iframe redirects through the parent page's origin.
  (2026-09-04)

• Updated dependencies [b64b113, 426e1fd]:

  • @​posthog/core@1.50.5
  • @​posthog/types@1.409.0

v1.426.4

Compare Source

1.426.4

Patch Changes

• #​4764 fa2924d Thanks @​marandaneto! - Preserve previously persisted feature flags as an offline fallback when bootstrap flags are provided.
  (2026-09-04)

v1.426.3

Compare Source

1.426.3

Patch Changes

• #​4761 ebf7318 Thanks @​marandaneto! - Prevent session replay network capture from replacing a downstream fetch wrapper's response with an instrumentation error when the response has no headers.
  (2026-09-04)

v1.426.2

Compare Source

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

v1.426.1

Compare Source

1.426.1

Patch Changes

• #​4765 d8508b6 Thanks @​marandaneto! - Initialize the Segment enrichment integration when Segment is configured through set_config, so Segment events include PostHog properties such as active feature flags.
  (2026-09-03)

v1.426.0

Compare Source

1.426.0

Minor Changes

• #​4740 6325953 Thanks @​mayteio! - Capture Meta's $fbc person property when a new fbclid is observed.
  (2026-09-03)

Patch Changes

• #​4760 41ed3af Thanks @​marandaneto! - Require a distinct ID when calling identify and correct its API documentation to match the existing runtime validation.
  (2026-09-03)

• #​4713 7a027ad Thanks @​posthog! - Gate $groupidentify on person processing. Under identified_only, a group() call promotes the user to identified so the event is kept instead of dropped. Under never, the local group association is retained for subsequent events and feature flags, but $groupidentify is not sent because the server always drops it.
  (2026-09-03)

• Updated dependencies [41ed3af, dbbb58e]:

  • @​posthog/types@1.408.1
  • @​posthog/core@1.50.3

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