We are working on a feature of build.snapcraft.io that will allow for triggering builds on changes to dependencies of the project and not just the main Github repository. We inadvertently enabled the code to poll dependencies and trigger builds prior to having UX changes in place to allow for opt-in/out of the feature. As a result a small number of projects had builds triggered by this poller in the last 48 hrs. These will show up in your “Latest builds” list with the build trigger as “Dependency change”.
We apologize for any surprise or inconvenience this may have caused.