Yes, you're in the correct place for feedback requests and updates regarding QuickBooks Online, fmkport.
When you select a main topics under the Feedback forums, you'll be routed to a list of requests. By typing keywords into the Enter your idea field, you'll be presented with two options; Vote for an existing idea or Post a new idea.

As you mentioned in your inquiry, there are distinct feature differences between QuickBooks Online and QuickBooks Desktop. Therefore, your feedback is invaluable to us. It provides us with the customer perspective, helping us understand which features are essential for running running a business.
Please let us know if there is anything else you need, so we can assist you further.