A Strong Performer in The Forrester Wave™: Digital Experience Platforms, Q4 2025
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Limitations of Dashboard Extensions

Note Experience Extensions use the legacy approach with extensions. We recommend using the Dashboard UI Location for the Contentstack App Framework to extend the functionality of your apps.

  • The maximum size of the dashboard extension code cannot exceed 500KB.
  • The maximum character length for the Title field is 256.
  • You can install a maximum of 50 extensions (including custom fields, sidebar extensions, dashboard extensions, and JSON RTE plugins) in a stack.
  • The maximum size of the dashboard extension’s configuration parameters cannot exceed 10KB.
  • The height of the dashboard extension can be altered when it is in the full-screen mode. It can vary from the default dashboard extension height to the browser window's height only.