Litmus Outage History

Litmus major outage View live status →

Litmus had 5 outages in the last 2 years totaling 321h 56m of downtime — averaging 0.2 incidents per month.

There were 5 Litmus outages since July 25, 2025 totaling 321h 56m of downtime. Each is summarised below — incident details, duration, and resolution information.

Source: https://status.litmus.com

Major April 17, 2026

Builder documents not loading when Partials are present

Detected by Pingoru
Apr 17, 2026, 03:37 PM UTC
Resolved
Apr 17, 2026, 04:56 PM UTC
Duration
1h 19m
Affected: Litmus Application
Timeline · 3 updates
  1. identified Apr 17, 2026, 03:37 PM UTC

    We've identified an issue where Builder documents taking advantage of Partials are not loading. Our team is working to implement a solution as soon as possible.

  2. identified Apr 17, 2026, 04:12 PM UTC

    Our team is continuing to work on a fix. We have identified the root cause and are actively implementing a solution.

  3. resolved Apr 17, 2026, 04:56 PM UTC

    This issue has been resolved.

Read the full incident report →

Major November 3, 2025

Litmus application unavailable

Detected by Pingoru
Nov 03, 2025, 02:15 PM UTC
Resolved
Nov 03, 2025, 08:46 PM UTC
Duration
6h 30m
Affected: Litmus Application
Timeline · 4 updates
  1. investigating Nov 03, 2025, 02:15 PM UTC

    We are currently investigating the issue and will provide an update as soon as possible.

  2. monitoring Nov 03, 2025, 02:38 PM UTC

    The application is now available again and our engineering team is monitoring the situation.

  3. monitoring Nov 03, 2025, 04:02 PM UTC

    We are continuing to monitor for any further issues.

  4. resolved Nov 03, 2025, 08:46 PM UTC

    This issue has been resolved.

Read the full incident report →

Critical November 3, 2025

Application unavailable

Detected by Pingoru
Nov 03, 2025, 07:47 AM UTC
Resolved
Nov 03, 2025, 10:47 AM UTC
Duration
3h
Affected: Litmus Application
Timeline · 3 updates
  1. investigating Nov 03, 2025, 07:47 AM UTC

    We are currently investigating this issue.

  2. monitoring Nov 03, 2025, 09:24 AM UTC

    The application is now available, our engineering team is monitoring.

  3. resolved Nov 03, 2025, 10:47 AM UTC

    This incident has been resolved.

Read the full incident report →

Major October 20, 2025

Multiple failures due to upstream service provider

Detected by Pingoru
Oct 20, 2025, 09:58 AM UTC
Resolved
Oct 21, 2025, 02:07 PM UTC
Duration
1d 4h
Affected: Litmus ApplicationAOL Mail (Chrome)AOL Mail (Edge)Email AnalyticsApple Mail 16 (macOS 13)Apple Mail 16 Dark (macOS 13)Color Blindness (Simulated)G Suite (Chrome)G Suite (Edge)G Suite (Firefox)Gmail (Chrome)Gmail (Edge)Gmail App (Android 11)Gmail App (Android 13)Gmail App (iOS 18)Gmail App Dark (Android 11)Gmail App Dark (Android 13)Gmail App Dark (iOS 18)GMX.de (Chrome)GMX.de (Edge)GMX.de (Firefox)IBM Notes 9 (Windows 10)IBM Notes 10 (Windows 10)iPad (Gen 9) (iOS 18)iPad (Gen 9) Dark (iOS 18)iPad (Gen 10) (iOS 18)iPad (Gen 10) Dark (iOS 18)iPad mini (Gen 6) (iOS 18)iPad mini (Gen 6) Dark (iOS 18)iPad Pro (11 inch) (iOS 18)iPad Pro (11 inch) Dark (iOS 18)iPad Pro (12.9 inch) (iOS 18)iPad Pro (12.9 inch) Dark (iOS 18)iPhone 14 (iOS 16)iPhone 14 Dark (iOS 16)iPhone 14 Pro Max (iOS 16)iPhone 14 Pro Max Dark (iOS 16)iPhone 15 (iOS 17)iPhone 15 Dark (iOS 17)iPhone 15 Plus (iOS 17)iPhone 15 Plus Dark (iOS 17)iPhone 16 (iOS 18)iPhone 16 Dark (iOS 18)iPhone 16 Plus (iOS 18)iPhone 16 Plus Dark (iOS 18)iPhone 16 Pro (iOS 18)iPhone 16 Pro Dark (iOS 18)iPhone 16 Pro Max (iOS 18)iPhone 16 Pro Max Dark (iOS 18)iPhone 17 (iOS 26)iPhone 17 Dark (iOS 26)iPhone 17 Pro (iOS 26)iPhone 17 Pro Dark (iOS 26)iPhone SE (3rd Generation) (iOS 18)iPhone SE (3rd Generation) Dark (iOS 18)Mail.ru (Chrome)Mail.ru (Edge)Mail.ru (Firefox)Office 365 (Chrome)Office 365 (Edge)Office 365 (Firefox)OL Office 365 (Windows 10)OL Office 365 120 DPI (Windows 10)OL Office 365 120 DPI Dark (Windows 10)OL Office 365 Dark (Windows 10)Outlook.com (Chrome)Outlook.com (Edge)Outlook.com (Firefox)Outlook.com Dark (Chrome)Outlook.com Dark (Firefox)Outlook 2007 (Windows 10)Outlook 2010 (Windows 10)Outlook 2013 (Windows 10)Outlook 2013 120 DPI (Windows 10)Outlook 2016 (Windows 10)Outlook 2016 120 DPI (Windows 10)Outlook 2019 (Windows 10)Outlook 2019 120 DPI (Windows 10)Outlook 2021 (Windows 10)Outlook 2021 120 DPI (Windows 10)Outlook 2021 Dark (Windows 10)Outlook (Android 11)Outlook Dark (Android 11)Outlook for Mac (macOS 15)Outlook for Mac Dark (macOS 15)Outlook for Windows (Windows 11)Outlook for Windows Dark (Windows 11)Outlook App (iOS 18)Outlook App Dark (iOS 18)Plain Text (Text-only view)T-Online.de (Chrome)T-Online.de (Edge)T-Online.de (Firefox)Thunderbird 60 (Windows 10)Web.de (Chrome)Web.de (Edge)Web.de (Firefox)Yahoo Mail (Chrome)Yahoo! Mail (Edge)
Timeline · 5 updates
  1. monitoring Oct 20, 2025, 09:58 AM UTC

    An upstream service provider has been experiencing problems since 08:11 UTC affecting some features. Their services are now recovering. We're monitoring for residual problems.

  2. monitoring Oct 20, 2025, 09:58 AM UTC

    We are continuing to monitor for any further issues.

  3. identified Oct 20, 2025, 01:21 PM UTC

    The upstream service provider issues are ongoing and affecting multiple other services, such as Litmus Previews and Litmus Analytics. We are attempting to fix the issue and are working with the service provider to restore functionality.

  4. monitoring Oct 20, 2025, 10:43 PM UTC

    The upstream service provider issues have resolved. We're monitoring for any residual issues.

  5. resolved Oct 21, 2025, 02:07 PM UTC

    These issues have been resolved.

Read the full incident report →