We can currently filter communities in our feed by 'Subscribed', 'Local' and 'All', but I'd really love a way to add communities to custom groupings, and have additional filter options based on those groupings. For example, a 'News' group that I could add all of the News-related communities to, and be able to click a filter button and see only those... or maybe the use case most people would likely use: creating groups to isolate SFW and NSFW content.

If there's a way to do this that I'm unaware of, I'd love to hear about it.