PostHog/posthog-js @posthog/core@1.50.0

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1.50.0

Minor Changes

• #4663 6ae173f Thanks @pauldambra! - Detect the Claude, Codex, and ChatGPT apps from their user agent markers: $browser now reports the app name instead of Chrome.

  ChatGPT versions its apps differently per platform, so its $browser_version is not comparable across platforms. (2026-09-01)

Patch Changes

• #4661 444bf35 Thanks @marandaneto! - Match local feature flag string operators, exact-value coercion, and JSON stringification with the flags service.
  (2026-09-01)

• #4708 6723395 Thanks @turnipdabeets! - Change bigint attributes on logs, metrics and spans to send as an int64 rather than as a string.
  (2026-09-01)