According to How to Change Settings for Community Digest Emails the email digest feature should be working now. I've had it on since the start and set to daily digests, but I've never seen a digest in my mailbox (unless they are completely different from what I expect). As far as I can see my preferences are set correctly to get the digests. Is this a known issue or maybe the same issue as the problem that not all community members are receiving the announcements?
Here are my digest preferences: