Thank you for your interest in the Telerik products. In order for us to help you could you, please, elaborate more on what is your use case of Fiddler and what you are trying to accomplish.
I understand that you are trying to compose requests with Fiddler which are more than 2 GB. Please, check this forum thread
for more info about this.
Do you want to have your say when we set our development plans?
Do you want to know when a feature you care about is added or when a bug fixed?
Telerik Feedback Portal
and vote to affect the priority of the items