With the new interface, the apps SiteMap, StyleGuide, DesignCollab, and AnnotatePro are now moved to the 'Legacy Apps' section.
To access your projects created in these apps, please navigate to the Legacy Apps section from the Integrations icon.
Step 1: Click on the Integrations icon on the top-right of the dashboard.
Step 2: In the sidebar that opens, click on the dropdown in the 'Legacy MockFlow Apps' section at the bottom
Step 3: Select the desired app from the listing. The app will open on a new page.