https://techcrunch.com/2022/08/17/netflixs-ad-supported-plan-may-block-offline-viewing-code-suggests/

Netflix’s upcoming ad-supported tier could have a big drawback — besides the fact that your programming will be interrupted by commercials, that is. One of the streaming service’s more useful features, offline viewing, may not be available to members on this low-end tier of the service.

This discovery came about when developer Steve Moser found code within the Netflix iPhone app that suggested the streamer will block users from downloading titles to their devices for offline viewing.