A lightweight approach we've started at my company: 1. Create a GitHub Repo dedicated to user-facing issues (https://github.com/scoutapp/roadmap https://github

A lightweight approach we've started at my company: 1. Create a GitHub Repo dedicated to user-facing issues (https://github.com/scoutapp/roadmap https://github.com/scoutapp/roadmap) 2. Customers can subscribe to issues they are interested. 3. When resolving an issue, we reference it in the git commit, which closes the issue and notifies the issue subscribers. We're a developer tool, so it's a familar flow for our customers.