# Segment 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: [Segment](https://rewindex.com/company/segment.md) ## Changes by kind | Kind | Changes | Notable | Latest (UTC) | | --- | --- | --- | --- | | Major incident | 11 | 11 | 2026-09-10 14:28 UTC | ## Timeline | When (UTC) | Kind | Change | Label | Summary | | --- | --- | --- | --- | --- | | 2026-09-10 14:28 UTC | Major incident | [Major incident: SSO Login Issues with the Segment App](https://rewindex.com/change/ia9a04f2e824959.md) | outage | Some customers could not log in to the Segment app via SSO, affecting Web Interface (US). Segment marked the incident major; it ran from 2026-09-10 14:28 UTC to 2026-09-10 15:39 UTC, lasting 1 h 11 min. Segment reported mitigation and fully restored SSO login but did not disclose the root cause. | | 2026-09-03 18:30 UTC | Major incident | [Major incident: Issue with Engage UI](https://rewindex.com/change/id2b101f45b7d13.md) | outage | Segment reported a major outage affecting Engage UI page loads, including Audiences and Journeys, in the US. The incident started at 2026-09-03 18:30 UTC and lasted 4 h 11 min, resolving at 2026-09-03 22:41 UTC; a fix was applied at 09-03 20:26 UTC, restoring full UI functionality. | | 2026-08-18 17:49 UTC | Major incident | [Major incident: Intermittent Segment application login errors](https://rewindex.com/change/ia29545daa03827.md) | outage | Segment reported a major incident causing intermittent login errors for a subset of customers, affecting Web Interface (EU) and Web Interface (US). It started at 2026-08-18 17:49 UTC and was resolved at 2026-08-18 22:02 UTC, lasting 4 h 13 min; login was reported operating normally at 18:38 UTC. | | 2026-07-26 01:43 UTC | Major incident | [Major incident: Data processing pipeline issue](https://rewindex.com/change/i7c8b12bb22e0bd.md) | outage | Segment reported a major data processing issue affecting Data Processing Pipeline (US), Engage (US), and Journeys (US) from 2026-07-26 01:43 UTC to 2026-07-26 04:10 UTC, lasting 2 h 27 min. A fix was implemented by 03:02 UTC, and the incident was resolved. | | 2026-07-25 22:45 UTC | Major incident | [Major incident: Connections Processing Delays](https://rewindex.com/change/if198fd7a112df3.md) | degradation | Segment reported major Connections processing delays affecting Streaming Destinations (US), delaying destination delivery. The incident started at 2026-07-25 22:45 UTC and resolved at 2026-07-26 04:39 UTC, lasting 5 h 53 min. A fix was implemented at 07-25 23:39 UTC, with processing latency recovering under monitoring. | | 2026-06-22 22:14 UTC | Major incident | [Major incident: (US West 2) Partial degradation of Linked Audiences, Linked Events, Reverse ETL, and Profile Sync due to external Snowflake Outage](https://rewindex.com/change/i2c36871d03c6cf.md) | degradation | Segment reported major degradation in US West 2 affecting Linked Audiences, Linked Events, Reverse ETL, and Profile Sync; syncs and data processing could fail due to an upstream Snowflake outage. It started at 2026-06-22 22:14 UTC and resolved at 2026-06-23 00:22 UTC, lasting 2 h 7 min. Functionality recovered after Snowflake’s outage resolved; no customer action was required. | | 2026-04-13 19:02 UTC | Major incident | [Major incident: Audience Preview Unavailable](https://rewindex.com/change/i9ef7725af0947a.md) | outage | Segment reported a major incident affecting Audience Previews, which failed to load for some customers across the EU and US web interfaces. It started at 2026-04-13 19:02 UTC and was resolved at 2026-04-13 19:19 UTC, lasting 16 min; Segment confirmed Audience Preview was operating normally. | | 2026-04-09 16:40 UTC | Major incident | [Major incident: Reverse ETL syncs experiencing partial disruptions](https://rewindex.com/change/i50ac3986d00193.md) | outage | Certain Segment Reverse ETL syncs in the EU and US failed in a major-impact outage starting 2026-04-09 16:40 UTC and resolved at 2026-04-09 19:53 UTC, lasting 3 h 12 min. Segment reported implementing a fix, after which syncs proceeded successfully without failures. | | 2026-01-22 13:33 UTC | Major incident | [Major incident: We are observing elevated ETIMEDOUT errors from Yahoo DSP destination.](https://rewindex.com/change/ia00ce598dc0a28.md) | outage | Segment reported a major incident affecting Yahoo DSP Streaming Destinations in EU and US, with elevated ETIMEDOUT and "504 - Gateway Time-out" errors. It started at 2026-01-22 13:33 UTC and resolved at 2026-01-22 17:37 UTC, lasting 4 h 3 min; Segment worked with Yahoo support and reported mitigation before resolution. | | 2025-12-16 06:37 UTC | Major incident | [Major incident: Snowflake RETL sources and Warehouse Destinations are failing due to Snowflake Outage](https://rewindex.com/change/ied49e2cf913ffb.md) | outage | Segment reported a major outage affecting Snowflake RETL sources and Warehouse Destinations, with Linked Audiences, Linked Events, Reverse ETL and Warehouse Destinations affected in EU and US. Attributed to a Snowflake outage, it ran from 2025-12-16 06:37 UTC to 2025-12-16 16:55 UTC, lasting 10 h 17 min; Segment marked it resolved without specifying a fix. | | 2025-09-19 03:59 UTC | Major incident | [Major incident: Google Enhanced Conversions is experiencing elevated failures](https://rewindex.com/change/i2cb781c0cad5bb.md) | outage | Segment reported a major incident involving elevated Google Enhanced Conversions failures affecting Streaming Destinations (US), from 2025-09-19 03:59 UTC to 2025-09-19 10:08 UTC (6 h 9 min). A fix was implemented and the incident was resolved; no cause was stated. | --- Canonical: https://rewindex.com/company/segment/changes · Markdown: https://rewindex.com/company/segment/changes.md · JSON: https://rewindex.com/api/v1/companies/segment/changes · Generated 2026-10-18T02:27:49.643Z