Unity Build Automation: Planned Vendor Maintenance impacting macOS runners in our EU region (August 15, 2025)

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Planned Vendor Maintenance in the EU Region (macOS Runners)

Date: Friday, August 15, 2025 19:00 - 23:00 UTC

What’s Happening:
We are conducting a planned hardware vendor maintenance for macOS runners in the EU region after EU normal business hours, aimed at delivering improvements in build startup times and build stability.

:alarm_clock: Schedule Overview ( UTC)

Event UTC
macOS EU runner incoming job pause begins 16:00 UTC
End all runner executions in the region 19:00 UTC
Maintenance completion (expected within ~3–4 hrs) ~22:00–23:00 UTC

Customer Guidance - EU-bound Organizations

  1. EU region new macOS Jobs will pause and queue beginning Friday, August 15, at 16:00 UTC,
    MacOS runner capacity in the EU region will be paused 3 hours in advance of maintenance.
    (In-progress jobs will continue to run during the cool-down period)

  2. Runners will be shut down fully at 19:00 UTC
    Any running jobs will be aborted to start maintenance.

  3. Customer Job’s submission planning:

    • Please ensure all macOS EU-targeted jobs are fully completed before Aug 15, 19:00 UTC.

    • New Jobs submitted after 16:00 UTC will be automatically queued and resumed once maintenance is complete (expected between 22:00–23:00 UTC).

  4. Real-time updates: If maintenance concludes earlier than expected or for progress updates, you can subscribe or monitor here:

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FYI: Cool Down Period has begun any new EU mac Runner jobs will queue until maintenance is complete.

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maintenance is in-progress

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Maintenance is now complete. All queued jobs in mac os EU are now allowed to run.
if you have any issues please put in a support ticket in https://cloud.unity.com/