Within Aha! under the help, provide a link to Aha! idea portal.
When enabling new features or pilots, provide ability for feedback specifically on that item.
For example, with the new user experience, there is no temporary category/field that would allow for quick tagging of an idea that is very specific to something that is newly being introduced.
We have the need in our own product and choose to temporarily add values to an optional category field when we are looking for feedback that may be directly related to recently introduced capabilities, allowing for quick searching/trending of inputs.