PostHog/posthog-js @posthog/types@1.425.1

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1.425.1

Patch Changes

• #5721 6cebc6c Thanks @haacked! - When the experimental metrics.flags option is on, the browser SDK splits each /flags attempt that gets a response into three histograms with the same attributes as posthog.flags.request.duration. posthog.flags.request.pre_send_duration runs from dispatch until the request starts, which includes body compression. posthog.flags.request.network_duration runs from the request start until the last byte of the response arrives, taken from the request's Resource Timing entry. posthog.flags.request.main_thread_duration runs from that last byte until the SDK's callback runs, which includes reading and parsing the response body. The three add up to the total. An attempt records them only when the browser reports its Resource Timing entry within 5 seconds of the callback and that entry can't belong to another /flags request that this copy of the SDK sends to the same URL, so it may record the total without them. posthog.flags.request.duration is unchanged. The option, the metric names, and their attributes may change or be removed in any release.
  (2026-11-13)