# Version history

Version history provides a systematic approach to keeping track of changes made to an asset in ReOrc. You can create and publish an asset under a specific version, allowing your team to review the progression of changes and roll back to previous versions if necessary.

## Publish a version

By default, when you first create an asset, such as a model or a pipeline, that asset is in the `draft` state. After you've made some changes to the asset, you can publish it to indicate that the asset is ready for use in your data workflow. This means creating a version of the asset and recording it in version history.

To publish an asset, follow these steps:

1. In the editor, click on the **Publish** button. 

   <figure><img src="/files/FHyInBaaessi1tf84vXy" alt="" width="563"><figcaption></figcaption></figure>

   This opens the asset publishing modal.
2. In **Version Information**, provide the version number and the update message to describe the changes you made.

   <figure><img src="/files/Gig9s6r4cM2n4yq2VNBh" alt="" width="563"><figcaption></figcaption></figure>
3. If you're making changes to an already published asset, you can switch to the **Compare changes** tab to see the diff view.&#x20;

   Diff view compares the current modifications to the latest version of the asset.
4. Click **Publish**.

## View version history

You can view all the versions of an asset in version history.

Follow these steps:

1. Open the asset in the editor.
2. Click on the **Version history** button.

   <figure><img src="/files/hnl92BQlHucZ1QaEqicM" alt="" width="563"><figcaption></figcaption></figure>
3. In the opened **Version history** panel, you can see the list of versions of the asset.

   <figure><img src="/files/XI1RXbEklz8L2W6qV5N3" alt="" width="563"><figcaption></figcaption></figure>
4. Select a version to view the detailed changes.


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