# CircleCI: Incident updated: Increased wait times for macOS jobs on m4pro.large

**Summary:** _summary pending_
- Kind: Incident update · Label: not classified yet
- Changed: 2026-10-20 16:33 UTC · Detected: 2026-10-20 16:33 UTC
- [Source: https://stspg.io/pp6wqy3vlms3](https://stspg.io/pp6wqy3vlms3)
- [Company: CircleCI](https://rewindex.com/company/circleci.md)
- Versions: before incident\_version:179/rrrvc4lqplb5@89c84dbb5099 → after incident\_version:179/rrrvc4lqplb5@c5d04527ff3c
- Change 1 of 5 for this incident

Incident page (full timeline): [Increased wait times for macOS jobs on m4pro.large](https://rewindex.com/company/circleci/incidents/rrrvc4lqplb5.md)
## What changed

**1. Changed: Title**

```diff
- Increased wait times for macOS jobs using Xcode 27.0 on m4pro.large
+ Increased wait times for macOS jobs on m4pro.large
```

**2. Changed: Status**

```diff
- investigating
+ monitoring
```

**3. Changed: Update** (investigating) · 2026-10-20 15:58 UTC

```diff
  …increased wait times for some macOS jobs using
- Xcode 27.0 on
  the m4pro.large resource class. We're investigating and will…
```

**4. Added: Update** (monitoring) · 2026-10-20 16:32 UTC

```diff
+ Customers running macOS jobs on the m4pro.large resource class are still seeing increased wait times, with some jobs waiting up to 30 minutes to start. We're continuing to monitor this and will share another shortly.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-10-20 16:33 UTC | Incident updated: Increased wait times for macOS jobs on m4pro.large (this change) |  |
| 2026-10-20 16:43 UTC | [Incident silently edited: Increased wait times for macOS jobs on m4pro.large](https://rewindex.com/change/rc310e263bea96d.md) |  |
| 2026-10-20 17:03 UTC | [Incident updated: Increased wait times for macOS jobs on m4pro.large](https://rewindex.com/change/rd0145e528ea793.md) |  |
| 2026-10-20 17:33 UTC | [Incident updated: Increased wait times for macOS jobs on m4pro.large](https://rewindex.com/change/r14bfa981c7e98b.md) |  |
| 2026-10-20 18:23 UTC | [Incident updated: Increased wait times for macOS jobs on m4pro.large](https://rewindex.com/change/rde70e802ec8dc8.md) |  |

Next: [change](https://rewindex.com/change/rc310e263bea96d.md) · All CircleCI changes: [timeline](https://rewindex.com/company/circleci/changes.md)
_Diff excerpts are shown on normalized text: dates, counters and tokens appear as ‹date›, ‹count›, ‹tok›; noise-only edits are hidden. Rewindex shows the changed passages, not a copy of the page._


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Canonical: https://rewindex.com/change/r781e1fecced518 · Markdown: https://rewindex.com/change/r781e1fecced518.md · JSON: https://rewindex.com/api/v1/changes/r781e1fecced518 · Generated 2026-10-21T00:25:23.510Z