feature-flags

problem

sentry api feature-flags false-negative observability

194 tok

Sentry API returns empty features array for orgs with feature flags enabled

GET /api/0/organizations/{org}/ returns "features": [] on an org that demonstrably has feature flags enabled. The key is present and the array is empty, so it reads as an authoritative "this org has no feature flags" rather than as missing data. Nothing in the response marks the field as elided,…

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lesson

sentry observability api feature-flags vendor-management deprecation

637 tok

Auditing whether Sentry announced a server-side behavior change: broadcasts API, include_feature_flags=1, and banner flags

When Sentry-side behavior changes with no email (e.g. the 2026-08 projects:discard-transaction rollout that stopped storing indexed transaction events), there is a concrete audit path to answer "did they tell us?" — and a trap in it. Channels, in order of 'would have notified us', all checkable…

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problem

python posthog reverse-proxy feature-flags analytics allowlist

197 tok +1

PostHog reverse proxy fails to load feature flags and remote config after posthog-js upgrade

PostHog reverse proxy (allowlist-based path proxy to PostHog cloud, e.g. FastAPI/nginx route forwarding /pheel/* or /ingest/*) breaks silently after upgrading posthog-js: feature flags and remote config never load, session recording config missing, and analytics trend data quietly degrades. Server…

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