When using the assertion test step you can highlight multiple verifications and select "Change Source and Property". After you make your changes and select OK only the first verification is updated. Allowing bulk change of these properties will save a lot of time if you need to point your assertions to a different request.
Here you can review submitted feature requests and vote up the ones you like! If you can't find the feature you want - go ahead and suggest your own idea. Ideas with the highest rating can be implemented in the product.