# Grammarly: Major incident: Go may work slowly or intermittently

**Summary:** Grammarly reported a major Go degradation causing delays loading, editing, or saving documents at app.grammarly.com or using Go & agents. It started at 2026-07-29 17:47 UTC and lasted 7 h 22 min, resolving at 2026-07-30 01:09 UTC; a fix was implemented at 07-29 18:04 UTC. _(machine-written, sol)_
- Kind: Major incident · Label: degradation (model (Jev))
- Changed: 2026-07-29 17:47 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/pjfn7vfcg9k5](https://stspg.io/pjfn7vfcg9k5)
- [Company: Grammarly](https://rewindex.com/company/grammarly.md)
- Versions: before (none: first archived) → after incident\_version:21/c09zpm1ty28j@a9cf92d4c03f
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Go may work slowly or intermittently
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-07-29 17:47 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-07-30 01:09 UTC
```

**6. Added: Affected components**

```diff
+ Generative AI assistance, Superhuman Go & Agents, Superhuman Go browser extension
```

**7. Added: Update** (identified) · 2026-07-29 17:47 UTC

```diff
+ We're currently working on a fix for an issue causing slow performance in Go. Users may experience delays when loading, editing, or saving documents at app.grammarly.com or using Go & agents. Our team is actively looking into the issue and working to restore normal performance as quickly as possible. We'll post an update as soon as we have more information. Thank you for your patience.
```

**8. Added: Update** (monitoring) · 2026-07-29 18:04 UTC

```diff
+ A fix has been implemented, and we're monitoring the results.
```

**9. Added: Update** (resolved) · 2026-07-30 01:09 UTC

```diff
+ This incident has been resolved.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-07-29 17:47 UTC | Major incident: Go may work slowly or intermittently (this change) | degradation |

All Grammarly changes: [timeline](https://rewindex.com/company/grammarly/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._


---
Canonical: https://rewindex.com/change/i264bef1b9a8ef6 · Markdown: https://rewindex.com/change/i264bef1b9a8ef6.md · JSON: https://rewindex.com/api/v1/changes/i264bef1b9a8ef6 · Generated 2026-10-18T02:29:11.827Z