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Sentry Outage History

Every past Sentry outage tracked by IsDown, with detection times, duration, and resolution details.

There were 382 Sentry outages since August 2017. The 100 outages from the last 12 months are summarized below, with incident details, duration, and resolution information.

Minor April 17, 2026

April 2026: sentry.io intermittent availability

Detected Apr 17, 2026 3:04 PM EDT · Resolved Apr 17, 2026 3:18 PM EDT · Duration 14 minutes

Sentry.io experienced intermittent availability issues for 14 minutes. The service was classified as having minor impact during the outage. A fix was implemented and the incident was resolved after monitoring confirmed the solution was effective.

Minor April 16, 2026

April 2026: Span Ingestion Delayed in the EU region

Detected Apr 16, 2026 9:36 AM EDT · Resolved Apr 16, 2026 12:10 PM EDT · Duration about 3 hours

Sentry experienced delayed span ingestion in the EU region for 2.6 hours. The issue affected the processing and availability of tracing data for users in that region. The problem was identified and resolved with a fix that restored normal ingestion functionality.

Minor April 13, 2026

April 2026: SSO login broken with Chromium browser

Detected Apr 13, 2026 4:31 PM EDT · Resolved Apr 13, 2026 5:56 PM EDT · Duration about 1 hour

Sentry's SSO login functionality was broken for users accessing the service through Chromium browsers, causing form submission failures due to a Content Security Policy (CSP) bug. Users were unable to log in through the normal SSO flow, though a workaround of using Cmd/Ctrl + click on the "Login with Provider" button remained available. The issue was resolved after 1.4 hours by fixing the underlying CSP bug.

Minor April 13, 2026

April 2026: Data ingestion and alerts delayed for US customers

Detected Apr 13, 2026 3:13 PM EDT · Resolved Apr 13, 2026 4:01 PM EDT · Duration about 1 hour

Sentry experienced a 47-minute incident where US customers faced delays in data ingestion and alerts. The underlying issue was resolved and the service worked through the accumulated backlog. Normal ingestion and alert functionality was restored for all affected US customers.

Minor April 10, 2026

April 2026: Ingestion Delay – All Data Types

Detected Apr 10, 2026 5:20 AM EDT · Resolved Apr 10, 2026 7:45 AM EDT · Duration about 2 hours

Sentry experienced a data ingestion delay affecting all data types between 08:40 – 08:55 UTC on April 10, 2026. The incident impacted the platform's ability to process incoming data across all supported data types during this 15-minute window. The issue was resolved and all systems returned to normal operation by 11:44 UTC, with data ingestion functioning properly across all data types.

Minor April 7, 2026

April 2026: Subcription management page not working

Detected Apr 7, 2026 5:36 PM EDT · Resolved Apr 7, 2026 7:45 PM EDT · Duration about 2 hours

Sentry experienced an issue where customers were unable to access their subscription management page for 2.2 hours. The problem affected all users trying to view or manage their subscription details. The issue was resolved with a hot fix that restored full access to subscription pages.

Minor April 7, 2026

April 2026: US delays and ingestion and issues in querying across pipelines

Detected Apr 7, 2026 5:02 PM EDT · Resolved Apr 7, 2026 5:25 PM EDT · Duration 23 minutes

A manual change performed on Sentry caused degraded performance and delayed ingestion across multiple pipelines including spans, crons, replays, and uptime monitoring between 13:45 and 13:52 PT. The problematic change was cancelled and normal operations were restored within 23 minutes.

Minor April 6, 2026

April 2026: Error & Span processing delays in US

Detected Apr 6, 2026 11:56 AM EDT · Resolved Apr 6, 2026 5:29 PM EDT · Duration about 6 hours

Sentry experienced processing delays for errors and spans in the US region due to excessive load on their caching layer and PostgreSQL clusters. The incident affected error ingestion capabilities for 5.6 hours. The issue was resolved by identifying and mitigating the source of database load, allowing backlogs to be processed.

Minor March 20, 2026

March 2026: Ingestion and alerts delayed in US

Detected Mar 20, 2026 5:42 PM EDT · Resolved Mar 20, 2026 9:13 PM EDT · Duration about 4 hours

Sentry experienced delays in data ingestion and alert delivery for customers in the US region over a 3.5 hour period. The service team worked to process the accumulated backlog of data during the incident. The issue was resolved once all ingestion and alerts were caught up and processing normally.

Minor March 16, 2026

March 2026: Ingestion delayed for transactions, uptime, spans, crons in US

Detected Mar 16, 2026 4:17 PM EDT · Resolved Mar 16, 2026 6:22 PM EDT · Duration about 2 hours

Sentry experienced ingestion delays for transactions, uptime monitoring, spans, and cron jobs in the US region for 2.1 hours. The delays affected alert delivery and potentially caused some alerts for older time windows to be dropped. The team actively mitigated the issue and restored normal ingestion, with the incident fully resolved.