2025-December-17 Resolved Service Incident

What to do

• Check whether your product depends on Sauce Labs. Check your stack

  Paste a package.json, lockfile, Terraform or a list of domains at down.guide/stack to see every provider you depend on.

• Confirm your retries, queues and scheduled jobs caught up after the 0m it lasted.

  Anything that failed between 2025-12-18 15:52 UTC and 2025-12-17 10:30 UTC may need a replay.

• Subscribe to Sauce Labs's feed to hear about the next one first. RSS feed

  https://down.guide/feed?provider=saucelabs works in Slack (/feed subscribe), Discord feed bots and any RSS reader.

Updates from Sauce Labs 2

1. resolvedDec 17, 2025, 10:30 AM UTC

   Between 10:37 UTC December 17th and 11:59 UTC December 18th, we were experiencing issues downloading applications via Mobile App Distribution. This issue has been resolved. All services are fully operational.

   provider

2. postmortemJan 5, 2026, 4:04 PM UTC

   ### **When it happened:** Wednesday, December 17th 2025, 10:37 UTC - Thursday, December 18th 2025, 11:59 UTC ### **What happened:** Applications were unable to be downloaded via Mobile App Distribution for a subset of customers. ### **Why it happened:** A product change combined with an increased and sustained load resulted in higher resource usage than anticipated, exceeding established limits for certain clients. ### **How we fixed it:** The service was rolled back to a stable version. ### **What we are doing to prevent it from happening again:** There are multiple improvements planned.  1. Improved monitoring & alerting,  2. Enhanced post-deployment validation 3. Capacity planning forecasting 4. More advanced communication where possible ahead of major changes 5. Adding canary to the roll out process

   provider

Corrections

None so far.

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