# Statsig change history Filter: kind=all. Query: `?kind=notable|all|pages|pricing|trust|legal|incident|incident_edit|incident_deleted|incident_update&history=&page=N`. Company profile: [Statsig](https://rewindex.com/company/statsig.md) ## Changes by kind | Kind | Changes | Notable | Latest (UTC) | | --- | --- | --- | --- | | Major incident | 27 | 27 | 2026-07-09 01:28 UTC | ## Timeline | When (UTC) | Kind | Change | Label | Summary | | --- | --- | --- | --- | --- | | 2026-07-09 01:28 UTC | Major incident | [Major incident: Feature Flag Evaluation Errors (Statsig)](https://rewindex.com/change/i0879813ddb516a.md) | degradation | Statsig’s major V2 Config Delivery API incident was recorded starting 2026-07-09 01:28 UTC and resolved after 1 h 8 min. Launched Feature Gates could return false instead of defaults between 20:56 UTC on July 8 and 01:40 UTC on July 9; V1 was unaffected. A config-spec generation change caused the issue; affected services were rolled back. | | 2026-05-26 18:01 UTC | Major incident | [Critical incident: Statsig Console temporarily down](https://rewindex.com/change/i0e6fc33b1ccb33.md) | outage | Statsig Console (console.statsig.com) was down in a vendor-rated critical incident from 2026-05-26 18:01 UTC to 2026-05-26 18:25 UTC, lasting 24 min. No flag checks or SDK calls were affected; Statsig marked it resolved and said it had determined the root cause, without disclosing the cause or fix. | | 2026-05-02 01:01 UTC | Major incident | [Major incident: Config Propagation Delay and Increased Error Rates for Console API](https://rewindex.com/change/ib1f3372309cdca.md) | degradation | Statsig reported a major incident involving elevated Console API error rates and delayed configuration propagation across Asia Southeast 1, Europe West 1, US East 1, US East 5, and US West 1. It started at 2026-05-02 01:01 UTC and was resolved at 2026-05-02 03:15 UTC, lasting 2 h 14 min. | | 2026-04-17 00:25 UTC | Major incident | [Major incident: Elevated 401 unauthorized from statsigcdn](https://rewindex.com/change/ieb64a881370d84.md) | outage | Statsig reported a major incident involving elevated 401 unauthorized responses from api.statsigcdn.com, affecting Config Delivery API components in Asia Southeast 1, Europe West 1, US East 1, US East 5 and US West 1. It started at 2026-04-17 00:25 UTC and was resolved at 2026-04-17 00:37 UTC, lasting 12 min; Statsig reported implementing a fix. | | 2026-04-13 17:33 UTC | Major incident | [Major incident: Increased error rates affecting Console APIs](https://rewindex.com/change/i15d73223df747d.md) | outage | Statsig reported a major incident affecting Console API, with increased 5XX errors starting at 2026-04-13 17:33 UTC. It lasted 6 min and was resolved at 2026-04-13 17:39 UTC; impact was limited to a few customers, and Statsig confirmed config propagation and console APIs were healthy. | | 2026-03-18 21:25 UTC | Major incident | [Major incident: Regional Issue for Statsig Console](https://rewindex.com/change/ida59702049bf26.md) | outage | Statsig reported a major regional incident limiting Console access for some customers and affecting Console API, starting 2026-03-18 21:25 UTC and resolved at 2026-03-18 22:05 UTC (40 min). The Console was repaired before Console API finished recovering. SDK and API usage remained unaffected; values, exposures, and events continued processing. | | 2026-03-18 01:50 UTC | Major incident | [Major incident: Client SDK Success Rate in Southeast Asia](https://rewindex.com/change/i704da834ddc4ee.md) | degradation | Statsig reported a major degradation in client SDK initialization success rates affecting Asia Southeast 1 and Config Delivery API - Asia Southeast 1. It started at 2026-03-18 01:50 UTC and was resolved at 2026-03-18 02:53 UTC, lasting 1 h 3 min; the vendor said it identified the root cause but did not disclose it. | | 2026-02-25 19:11 UTC | Major incident | [Critical incident: Statsig Console Availability](https://rewindex.com/change/if7b20d835a6ed1.md) | outage | Statsig Console (console.statsig.com) was unavailable starting 2026-02-25 19:11 UTC for 5 min, with vendor-rated critical impact. The incident was resolved at 2026-02-25 19:16 UTC; functionality was fully restored, and the team was investigating the root cause. | | 2026-01-24 00:00 UTC | Major incident | [Major incident: Issues for Server SDKs in US-EAST and US-WEST](https://rewindex.com/change/i9b14d5b149f5de.md) | outage | Statsig reported a major incident affecting Server SDK initialization and update syncing in US-EAST and US-WEST, with increased error rates on the Config Delivery API. It started at 2026-01-24 00:00 UTC and was resolved at 2026-01-24 01:23 UTC, lasting 1 h 23 min; no cause or fix was stated. | | 2026-01-12 20:30 UTC | Major incident | [Major incident: Success Rate drop for US East Region](https://rewindex.com/change/i71ec231088c862.md) | outage | Statsig reported a major outage affecting Config Delivery API - US East 1 and Log Event API, US East 1, with elevated errors for initialize and event logging traffic. It started at 2026-01-12 20:30 UTC and was resolved at 2026-01-12 22:24 UTC, lasting 1 h 54 min; no cause or fix was stated. | | 2025-11-18 14:50 UTC | Major incident | [Major incident: 11/18/2025 06:50:00 GMT-0800 (Pacific Standard Time)](https://rewindex.com/change/i1c2110e68a85bc.md) | outage | Statsig reported a major outage affecting the Config Delivery API in Asia Southeast 1, Europe West 1, US East 1, US East 5 and US West 1. It started at 2025-11-18 14:50 UTC and resolved at 2025-11-18 14:51 UTC, lasting 1 min. Statsig reported recovery of affected requests via cloudflare. | | 2025-11-18 13:00 UTC | Major incident | [Major incident: 11/18/2025 05:00:00 GMT-0800 (Pacific Standard Time)](https://rewindex.com/change/iab3dc7e7d38846.md) | outage | Statsig reported a major incident affecting server SDK configuration downloads across Asia Southeast 1, Europe West 1, US East 1, US East 5 and US West 1 due to elevated CDN-provider 5xx errors. SDKs using fallbackToStatsigAPI or a local DataStore could continue operating but might miss configuration updates. It lasted 1 h 42 min, from 2025-11-18 13:00 UTC to 2025-11-18 14:42 UTC. | | 2025-11-07 00:33 UTC | Major incident | [Critical incident: Client SDK Initialization and Event Logging Unavailable for 5 minutes](https://rewindex.com/change/i979f02a31216b7.md) | outage | Statsig reported a critical outage from 2025-11-07 00:33 UTC to 2025-11-07 00:38 UTC, lasting 5 min. Client SDK initialization failed for a majority of requests, and event logging calls also failed. The incident was resolved; Statsig expected most events to be recoverable through SDK-level retries. | | 2025-10-30 18:56 UTC | Major incident | [Major incident: Degraded SDK initialization global success rate](https://rewindex.com/change/iebc3d5271ca966.md) | outage | Statsig reported a major partial outage affecting SDK initialization APIs (/v1/initialize, /v1/download\_config\_specs, /v2/download\_config\_specs) in all clusters, reducing initialization success. It started at 2025-10-30 18:56 UTC and was resolved at 2025-10-30 19:20 UTC, lasting 24 min. The vendor attributed it to a networking configuration change and said it was reverting that change. | | 2025-10-23 00:10 UTC | Major incident | [Critical incident: All US-West Requests Failing](https://rewindex.com/change/iec5dc8868cd703.md) | outage | Statsig reported a critical US-West outage affecting configuration APIs for SDK initialization, background syncing, and the Console API. It started at 2025-10-23 00:10 UTC and was resolved at 2025-10-23 00:35 UTC, lasting 25 min; a networking change routed requests to an incorrect backend, causing exceptions, and Statsig addressed the change. | | 2025-10-10 16:43 UTC | Major incident | [Major incident: SDK Initialization SR Stability](https://rewindex.com/change/i74b40b6820cbce.md) | degradation | Statsig reported a major initialization API stability incident potentially affecting initialization across Asia Southeast 1, Europe West 1, US East 1, US East 5 and US West 1. It started at 2025-10-10 16:43 UTC and resolved at 2025-10-10 16:52 UTC, lasting 9 min; no cause or specific fix was stated. | | 2025-10-09 15:30 UTC | Major incident | [Major incident: Success Rate Drop for Europe North Region](https://rewindex.com/change/i3b67981b5e234f.md) | degradation | Statsig reported a major success-rate drop in Europe North starting 2025-10-09 15:30 UTC, lasting 5 min and resolving at 2025-10-09 15:35 UTC. Listed affected components were Config Delivery API - Europe West 1, Europe West 1, and Log Event API; no cause or fix was stated. | | 2025-10-03 19:02 UTC | Major incident | [Major incident: API Exports First Exposures Report Schema Breaking Change](https://rewindex.com/change/i42b81564fc2eec.md) | degradation | Statsig reported a major Console API degradation: a new column in the first-exposures API Export affected some companies using /console/v1/reports for dates 2025-09-30 - 2025-10-02. Reports were regenerated; the incident started at 2025-10-03 19:02 UTC and resolved at 2025-10-03 19:03 UTC, lasting 1 min. | | 2025-09-19 08:00 UTC | Major incident | [Major incident: Misconfiguration on consoleapi and event processing services](https://rewindex.com/change/i76e5abcc10c8e0.md) | degradation | Statsig reported a major degradation affecting some companies using Console API and RevenueCat, Amplitude, and Rudderstack incoming integrations: a configuration issue caused incorrect request processing. It started 2025-09-19 08:00 UTC and was resolved 2025-09-22 18:31 UTC, lasting 3 days 10 h; Statsig said the issue was mitigated and affected integration events would be replayed. | | 2025-09-02 18:44 UTC | Major incident | [Major incident: Elevated 5xx rate in EU Regions](https://rewindex.com/change/i00c9646ce8a5c5.md) | outage | Statsig reported a major incident with elevated 5xx rates in EU regions, primarily affecting SDK initialization on Config Delivery API - Europe West 1 and Europe West 1. It started at 2025-09-02 18:44 UTC and was resolved at 2025-09-02 19:34 UTC, lasting 50 min; no cause or specific fix was stated. | | 2025-08-25 18:20 UTC | Major incident | [Critical incident: Drop in success rate for /api/v1/log\_event and /api/v1/rgstr](https://rewindex.com/change/i221b42d32ed2e4.md) | outage | Statsig reported a critical drop in success rate for /api/v1/log\_event and /api/v1/rgstr, affecting the Log Event API. The incident started at 2025-08-25 18:20 UTC and lasted 40 min, resolving at 2025-08-25 19:00 UTC; Statsig said it had been mitigated. | | 2025-08-15 23:26 UTC | Major incident | [Critical incident: Increase in Initialization Errors Client SDKs](https://rewindex.com/change/i49bc101cb211d0.md) | outage | Statsig reported a critical increase in client SDK initialization errors affecting Config Delivery API in Asia Southeast 1, Europe West 1, US East 1, US East 5 and US West 1. The incident lasted 39 min, from 2025-08-15 23:26 UTC to 2025-08-16 00:05 UTC; error rates returned to baseline and it was resolved. | | 2025-07-18 15:10 UTC | Major incident | [Major incident: 5xx Spike for Client SDK Initialization](https://rewindex.com/change/iea178d6f6e4a2e.md) | outage | Statsig reported a major 5xx spike affecting Client SDK Initialization and Config Delivery API - US East 1, starting at 2025-07-18 15:10 UTC and resolved at 2025-07-18 15:21 UTC (11 min). Statsig shifted traffic to restore service and identified a GCP outage as the root cause. | | 2025-07-07 20:05 UTC | Major incident | [Major incident: API Reliability Degraded in Europe North](https://rewindex.com/change/ie8d0943110ae37.md) | degradation | Statsig reported major API reliability degradation in Europe North from 2025-07-07 20:05 UTC to 2025-07-07 20:30 UTC (25 min), with significantly reduced API success rates. Traffic was redirected to healthy regions to mitigate customer impact; the incident was resolved and no data loss occurred. | | 2025-07-04 19:25 UTC | Major incident | [Major incident: Client SDK Initialization SR Dip in EU-West](https://rewindex.com/change/if23f5c6d348dd3.md) | outage | Statsig reported a major incident involving elevated 5xx errors during client SDK initialization in EU-West, affecting Config Delivery API - Europe West 1. It started at 2025-07-04 19:25 UTC and was mitigated and resolved at 2025-07-04 19:28 UTC, lasting 3 min. | | 2025-06-06 18:53 UTC | Major incident | [Major incident: Elevated 5xx for Event Ingestion US East and EU West](https://rewindex.com/change/i65f691d5cce3ba.md) | outage | Statsig reported a major Log Event API outage with elevated 5xx errors in US East and EU West, starting 2025-06-06 18:53 UTC and resolved at 2025-06-06 19:10 UTC after 17 min. EU West recovered, and US East1 was fully drained; Statsig said customers should see normal 5xx levels again. | | 2025-05-06 17:45 UTC | Major incident | [Major incident: Initialized endpoints have elevated error rates for 3 regions](https://rewindex.com/change/i252c17c3db6bb9.md) | outage | Statsig reported a major incident with elevated initialization endpoint errors affecting client SDK initialization; impact was isolated to a single customer. It started at 2025-05-06 17:45 UTC and was resolved at 2025-05-06 18:02 UTC, lasting 17 min. The team reverted the change that caused the errors and gated off the rollout. | --- Canonical: https://rewindex.com/company/statsig/changes · Markdown: https://rewindex.com/company/statsig/changes.md · JSON: https://rewindex.com/api/v1/companies/statsig/changes · Generated 2026-10-18T02:27:54.145Z