Pull down menu not populating values such as Flows
Make sure you are Subscribed to Messenger Notifications in the Settings > Notifications section. If you do not see this option in your account, you already are though.
You can do two other things that should solve it:
- Go to Help on the lower left side of the menu and click the "Refresh Permissions" button;
- Do a hard refresh of the flowbuilder with CMD or CTRL + F5.
These actions solved it in 100% of the cases thusfar.