Welcome to the JavaScript feedback portal. We’re happy you’re here! If you have feedback on how to improve the JavaScript, we’d love to hear it!

  • Check out the features or bugs others have reported and vote on your favorites. Feedback will be prioritized based on popularity.
  • If you have feedback that’s not listed yet, submit your own.

Thanks for joining our community and helping improve Syncfusion products!


Provide option to support concurrent upload which transfers files to a server with combined multiple files. It helps to upload multiple files with few upload requests. The number of files to upload through concurrent can be customized from application end.