Skip to main content

         This documentation site is for previous versions. Visit our new documentation site for current releases.      

UI version comparison

Updated on October 21, 2022
Applicable to Cosmos React applications

Pega Platform version 8.7 expands the scope of Cosmos React, a modernized UI.

Cosmos React is the newest version of the Cosmos design system that, paired with a view-based architecture, offers superior efficiency and responsiveness, but supports a different feature set than the classic Theme Cosmos. By learning about the limitations of each framework, you can better choose the UI that fits the needs of your business.

The following table presents recommended uses for the two UI architectures.

User interface choice in Pega Platform version 8.7

Theme CosmosCosmos React

New applications

See Choosing a UI version.See Choosing a UI version.
New applications based on a Theme Theme UI-Kit applicationSee Choosing a UI version.See Choosing a UI version.
Existing applicationsSee Choosing a UI version.See Choosing a UI version.

Application features

Mashup (web embed)
Offline mode


Simple reporting and data exploration
Complex reporting with sub-reports and joins
Application UI that uses data from reports with complex joins


Attribute-based access controls (ABAC)
OAuth 2.0 authentication

Have a question? Get answers now.

Visit the Support Center to ask questions, engage in discussions, share ideas, and help others.

Did you find this content helpful?

Want to help us improve this content?

We'd prefer it if you saw us at our best. is not optimized for Internet Explorer. For the optimal experience, please use:

Close Deprecation Notice
Contact us