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# Review what a context changes before it's written

> Review the changes a Mammoth context would make to a dashboard, keep or replace your own edits, and update writing that is older than its context.
>
> Applies to: Roles: Anyone who can edit the dashboard. Where: Dashboard editor › Data › Context › Review changes

When you attach, detach or edit a [context](https://mammoth.io/docs/learn/dashboards/context/) that a dashboard's writing leans on, **Review changes** shows exactly what would change. Nothing is written until you accept, and you can undo it afterwards from **History** in the [dashboard editor](https://mammoth.io/docs/learn/dashboards/editor/).

## Review what a context changes before it is written

**Review changes** shows exactly what a context would change on your board, for example: "This context makes 4 changes to your board. Nothing is written until you accept."

| Control | What it does |
| --- | --- |
| "3 other items are untouched. Show them" / **Hide** | Shown only when some items are untouched. Click it to list them too, and **Hide** to take them away again. |
| Groups | Changes are grouped as Added, Changed, Rewritten, Removed, **Your edits**, Could not be planned, and Untouched. |
| **Before** / **After** | Each item shows its old and new text, with words marked as added or removed. |
| **Keep mine** / **Take new** | For text you edited by hand. **Keep mine** (the default) keeps the text you typed. **Take new** replaces it. |
| **Apply 4 changes** (with your count) | Writes the changes. This replaces the current version, and you can undo it afterwards. |
| **Not now** / **Discard** | Close without writing anything. |
| **Work it out again** | Re-plan the changes. |

Other things you may see:

- "Working out what this changes" while it plans (for a detach: "Working out what this removal leaves behind").
- "This context did not change anything": the writing reads the same with it. It's still used when anyone asks the board a question.
- "Nothing new here for this board": the context hasn't changed since the board last used it.
- A warning that wording in some places is replaced without asking, when the board doesn't record who wrote that text. Check those rows before you accept.

You can't review context changes while a format change is unsaved. Save or discard the format first (see [Save or discard a format preview](https://mammoth.io/docs/learn/dashboards/themes/#save-or-discard-a-format-preview)).

## Update writing that is older than its context

When a context changes after the dashboard's text was written, a marker appears in the **Data** tab's **Context** section (and in the **Context** section of a Q&A-format board): "The writing here is older than its context." Variants say the board's grounding has changed, or that the writing was shaped by a context you removed. Tags show which contexts were **edited** or **removed**.

Click **Review changes** on the marker to bring the writing up to date.

The **Share** panel also warns you when a context changed since you published: viewers still see wording written against the old guidance. Update the writing, then publish again. See [Publish and share a dashboard](https://mammoth.io/docs/learn/share-and-export/share-a-dashboard/).

## Troubleshooting context reviews

| Message | What to do |
| --- | --- |
| "Could not work out what would change" or "Couldn't apply these changes" | Something failed while planning or applying the changes. Try again. |

## Related

- [Give the AI context](https://mammoth.io/docs/learn/dashboards/context/): create and attach contexts.
- [Change a dashboard's theme](https://mammoth.io/docs/learn/dashboards/themes/): save a format before reviewing changes.
- [Restore a version](https://mammoth.io/docs/learn/dashboards/history-and-drafts/): go back after applying changes.
- [Publish and share a dashboard](https://mammoth.io/docs/learn/share-and-export/share-a-dashboard/): publish the updated writing.

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Source: https://mammoth.io/docs/learn/dashboards/context-review.md · Updated: 2026-11-08