Because Atlassian has not yet released the app for the Marketplace, here is a possibility for the DevPost to rate the app. You can also install the app without the Marketplace:
- Log into the cloud instance where you want to install your app.
- Go to Manage add-ons in the administration console.
- Click Settings at the bottom of the page.
- Check the box to Enable private listings and Enable development mode.
- Back in the Manage add-ons page, click Upload add-on.
- Paste the following URL, and click Upload: https://plugins.aptis.info/searchGadget/atlassian-connect.json
- Done

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