This isn't true, and it's easy to check: go to your subscriptions page and compare to each channels' published videos. There should be none missing. I have 65

This isn't true, and it's easy to check: go to your subscriptions page and compare to each channels' published videos. There should be none missing. I have 65 subs, and 100% of the videos from each channel are on my subscriptions page, with some channels publishing only once a month, or once a quarter.