

February 2026 highlights for PostHog/posthog-python: Stabilized feature flag handling under unauthorized access by addressing a 401-related HTTP request storm. Implemented reset of feature_flags to [] and cache invalidation (flag_cache, group_type_mapping, cohorts) on 401 errors. Commit: 4f32fa41008d21038428fa4987fb7dfc45919982 (Fix feature flag 401 errors causing HTTP request storm; issue #422). Business impact: reduced unnecessary API calls, lowered latency spikes, and improved reliability for feature-flag flows. Technologies/skills: Python, error handling, cache invalidation, HTTP 401 handling.
February 2026 highlights for PostHog/posthog-python: Stabilized feature flag handling under unauthorized access by addressing a 401-related HTTP request storm. Implemented reset of feature_flags to [] and cache invalidation (flag_cache, group_type_mapping, cohorts) on 401 errors. Commit: 4f32fa41008d21038428fa4987fb7dfc45919982 (Fix feature flag 401 errors causing HTTP request storm; issue #422). Business impact: reduced unnecessary API calls, lowered latency spikes, and improved reliability for feature-flag flows. Technologies/skills: Python, error handling, cache invalidation, HTTP 401 handling.
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