PostHog Upgrade & Migration Current State ! Overview Upgrade posthog-js and posthog-node SDKs safely. Covers version compatibility, breaking changes between major versions (notably the v5 sendFeatureFlags change in posthog-node), and a systematic upgrade procedure. Prerequisites - PostHog SDK currently installed - Git for branching - Test suite covering PostHog integration - Staging environment for validation Instructions Step 1: Audit Current Versions Step 2: Review Breaking Changes posthog-node v5.x Breaking Changes: posthog-js Recent Changes: Step 3: Upgrade Procedure Step 4: Search for De…