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Time Machine records every change made to your Fluid company from Mist Desktop, by Mist or by you. It shows what changed, and lets you undo it.

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What Time Machine covers

Time Machine records changes Mist Desktop makes through the Fluid API, such as:
  • Creating, updating or deleting something in your company.
  • Publishing.
  • Setting or removing an app’s environment variables.
  • Changing a domain.
To revert a change, Time Machine sends the opposite change to Fluid. For example, it puts back the values an update replaced.
Time Machine doesn’t cover:
  • Changes made outside Mist Desktop, for example in the admin.
  • Your chats.
  • A project’s files. To go back to an earlier version of your files, use History in the preview. See Run and publish.
  • Rows in a database.

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Open Time Machine

In the sidebar, click Time Machine. Press Esc or click Close to close it. Time Machine has two tabs:
  • Timeline: the changes made to your company, grouped by the work that made them.
  • Activity Log: the file changes saved in the projects on your computer.
To see one project’s changes, use the filter at the top. It starts on All projects.

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Read a change

Each change shows who made it, such as AI Agent or You, and a summary. A chip shows how safe it is to revert:
  • Safe to revert
  • Affects production: check before you revert, because reverting changes something live.
  • Irreversible
Click Diff to compare the values before and after the change. Click Hide to close it.

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Revert a change

1

Find the change

On the Timeline tab, find the change. Expand its card to see each change it contains.
2

Revert it

Click Revert. The button shows Reverting… while Mist sends the change to Fluid.
If the change can’t be reverted automatically, the button reads Open admin. Click it to make the change yourself in the admin.

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If something changed since Mist edited it

If someone changed the same item after Mist did, you see This resource has changed since Mist edited it. Read what reverting will do under If you continue. Then click Revert anyway, or Cancel to keep things as they are.

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Revert several changes at once

1

Select the changes

On the Timeline tab, click each card you want to revert. A bar shows how many you selected, and how many changes they contain.
2

Revert them

Click Revert all. To start again, click Clear.

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Ask Time Machine for help

Time Machine has its own chat, set up to help you undo changes. Describe the change you want to undo, and Mist helps you find and revert it.

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Frequently asked questions

When Fluid rejected the request, nothing changed, so there’s nothing to revert.
On your computer. If you use Mist on another computer, it has its own history.