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How to Upgrade to the New Rethink/Apto Design Theme

Updated over a week ago

We’re rolling out a design refresh by switching to the new SLDS2 design system from Salesforce. This update brings a cleaner, more modern look with improved spacing, simplified visuals, and easier-to-read typography. With updated icons, refined colors, and a more focused layout, the app now aligns with Salesforce’s latest design standards—making the experience more intuitive and enjoyable for users.

How to Switch to the New Theme in Your Org

  1. Go to Setup.

  2. In the Quick Find search bar, type Themes and Branding, then select it from the menu.

  3. Click New Theme.

  4. Give your theme a name (e.g. "Rethink Cosmos").

  5. Under the Images section, click on the box to upload a company logo.

    1. To continue using the default Rethink logo, download the image file here.

  6. Optionally, set your branding colors.

  7. Click Save, then click Activate.

  8. To see the new theme in action, navigate back to the Rethink app (your other open browser tab) and refresh the page.

    1. If you're not seeing the changes, go back to Themes and Branding and click Activate.

Your org is now using the new Rethink/Apto Cosmos theme! You’ll notice a cleaner, more modern UI with simplified navigation and improved spacing—no other changes needed.

How to Revert Back to the Previous Theme

  1. Go to Setup.

  2. In the Quick Find bar, type Themes and Branding, then select it from the menu.

  3. Look for the theme called

    Scroll through the list of themes to locate your previous one (likely called Rethink Default, Classic, or similar — depending on what was used before).

  4. Activate the Theme

    Click the dropdown arrow next to that theme, then select Activate.

  5. Refresh Your Browser

    Give your browser a quick refresh to see the theme change take effect.

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