Update – waitaminnit. These aren’t Meteor packages-- these are ngrok packages. Nevermind. 
Original post
This seems odd. My app loads and runs fine in Firefox when accessed via http://localhost:3000. But when accessed using an https URL provided by ngrok, so as to be able to access my app via https from anywhere on the net even though it’s running on my desktop, some, but not all packages aren’t loaded. Here’s a screenshot.
Am I missing something obvious?