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Changes and Backward Compatibility Overview
Updated on Oct 24, 2025
RadCaptcha for ASP.NET AJAX
A complete list of all changes can be found on Release History page: https://www.telerik.com/products/aspnet-ajax/whats-new/release-history.aspx
Telerik RadCaptcha for ASP.NET AJAX Q1 2010
RadCaptcha is fully compatible with all previous versions of the control.
Telerik RadCaptcha for ASP.NET AJAX Q3 2009
RadCaptcha is fully compatible with all previous versions of the control.
Telerik RadCaptcha for ASP.NET AJAX Q2 2009
RadCaptcha is fully compatible with all previous versions of the control.
Telerik RadCaptcha for ASP.NET AJAX Q1 2009
RadCaptcha is fully compatible with all previous versions of the control.