Product feedback tools collect ideas and requests from customers, let users vote on them, help product teams prioritise and make the roadmap visible. They usually connect to the help desk, CRM and issue tracker. Teams use them to see what customers actually ask for, to merge duplicate requests and to report back when something has been delivered.
The sovereignty issue lies in what comes together and how it becomes visible. Feedback contains names, email addresses and sometimes confidential business information from business customers, linked to account data from your CRM. Public boards and widgets are often loaded as a vendor script into your product or website, so a third party sees your visitors. Internal notes, scores and unpublished roadmap items must stay private and must not end up on a public board by accident. Because votes and customer links build up over years, switching without a full export means losing customer insight. The Data Act asks cloud services for open interfaces and export in commonly used formats.
When choosing a European option, look for self-hosting or EU hosting, embedding without third-party trackers, simple sign-in that shares as little of your customer identity as possible, export of posts, votes and users, and a strict separation between public and internal data.