PostHog/posthog-js @posthog/types@1.409.1

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1.409.1

Patch Changes

• #4785 74ca945 Thanks @marandaneto! - Clarify feature flag return-value terminology across SDK APIs. A false value is a conclusive off evaluation, while undefined means no evaluation is available. Remote evaluation omits globally inactive flags, whereas backend local evaluation can resolve cached inactive definitions to false.
  (2026-09-07)

• #4666 5e74132 Thanks @robbie-c! - Preserve universally safe JSON-LD properties and allowlisted tree structure when replay redacts other fields. Keep only DOM-backed ID fragments. Keep only @type values shaped like a Schema.org term, and limit types and payloads. Publish a reusable sanitization contract fixture.
  (2026-09-07)