{"version":"2.0.52","anchor":"growthbook-experiment-tracking","canonical_anchor":"growthbook-experiment-tracking","heading":"Growthbook Experiment Tracking","tier":null,"area":null,"scope":null,"heads_up":null,"url":"https:\/\/changelogs.core-directive.com\/v\/2.0.52\/e\/growthbook-experiment-tracking","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.0.52","markdown":"### Growthbook Experiment Tracking\n\n**What:** Added telemetry for A\/B test experiment exposure tracking.\n\n**Details:**\n\n- Tracks which users are exposed to which experiment variations\n- Events include: experiment ID, variation ID, device ID, user attributes\n- Batched transmission via OpenTelemetry log pipeline\n- Internal analytics only - no user-visible impact\n- **Evidence:** `rNB()` at line 231011, `tNB()` at line 231925, `aNB()` at line 230979"}