No, there are not any known issues with other RadControls using the Telerik.Web.UI.WebResourceSession handler. In fact Telerik.Web.UI.WebResourceSession
inherits from Telerik.Web.UI.WebResource
, plus implements the System.Web.SessionState.IRequiresSessionState
So, you should go ahead and configure the Captcha to store its image in the Session.
All the best,
the Telerik team
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