Probably some time today If you look at all the notes they are posted on the 16th of the month...
I expect Harold to be continued some and hopefully Darius he seems a bit behind the rest... I think they'll hold off on adding a Richard route until they complete Harold's. That's what they say in the FAQ.
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So that people can manage expectations. This is roughly his update schedule and itch.io gets a month delayed update.
https://docs.google.com/document/d/16-tmrzWb_eaic-AdRUQ8KhaO4HvwzaC1hC3Rb6ZW7w0/...