What exactly did HF25 do to my Hive curation rewards?

Hi folks. Just a short post to ask you a question.

I've been seeing hardly any Hive curation rewards since the deployment of HF25 last week. Here are my latest rewards:

At the same time, I do keep getting Leo (and other) curation rewards:

Hopefully anyone can tell me whether I'm doing something wrong. Is it because I do use auto voting regularly? Or is there another explanation?

Thanks in advance!